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© 2014 IBM Corporation
IBM PowerHA
This is Power on a Smarter Planet
Steven Finnes
PowerHA Product Offering Manager
#powersystems, #powerlinux, #bigdata,
#IBMWatson, #OpenPOWER
June 2014
© 2014 IBM Corporation #powersystems
Student Guide & Workshop & Internal Training & Confidential Update Daily
https://goo.gl/VVmVZ0
1_PowerVM_Overview http://ouo.io/A5eFQ
2_PowerVM_VIOS_Starter http://ouo.io/TL7QO
3_PowerVM_processors http://ouo.io/nOFC2
4_PowerVM_AMS http://ouo.io/t0nLS0
5_PowerVM_Best_Practices http://ouo.io/awHwM4
6_PowerVM_VIOS_SSP2(1) http://ouo.io/8QLjTQ
7_PowerVM_10Gbit_Ethernet http://ouo.io/vtAN6D
8_Active_Memory_Expansion http://ouo.io/62c4rD
9_VIOS_maintenance http://ouo.io/cu09p
10_Active_Memory_Dedup http://ouo.io/UlxI0
2
© 2014 IBM Corporation #powersystems©
201
3
Power Systems High Availability Solution For mission critical
application availability through planned and unplanned outage events
Shared Storage Clustering Technology designed for automation
and minimal IT operations.
Multi-Site Clustering for enterprise class availability
Embedded for integrated simplicity and reliability
© 2014 IBM Corporation #powersystems
Clustering for HA and DR
 PowerHA enables 24x365 operational availability
 Automation for planned and unplanned outages
 Solutions covering simple data center to multiple-site configurations
Application
Application
PowerHA standard edition cluster
PowerHA enterprise edition cluster
© 2014 IBM Corporation #powersystems
Cluster based high availability solutions
 Cluster based High Availability (HA)
– Business continuity via workload failover
– Provides for redundant operating environment
– Automated workload bring up
– Environment specific outage actions
– Planned and unplanned outage management
 Cluster Solutions
– Two or more Servers in the cluster
– Cluster management console and software
– Communication for monitoring & synchronization
– Active-Passive and Active-Active models
 Disaster Recovery (DR) Management
– Multi-site clustering
– Simplified compliance testing
– Storage base replication options
Technology
Availability
Clusters
Fault
Tolerance
Single
Server
Critical
workloads
…
System 1
PowerHA
Cluster
Node 1
Active
…
System 2
PowerHA
Cluster
Node 2
Standby
PowerHA
Cluster
Failover
Fig 1: Cluster High Availability
© 2014 IBM Corporation #powersystems
 E2E integration
 Single point of control
 Application level granularity
 Distributed server h/w mgt
 E2E RPO 0-3 sec / RTO < 1H
Single
server
Site 1
Clusters
Site 1
Multi-site
Disaster Recovery
1
2 12
3456789
1
0
1
1
1
2 12
3456789
1
0
1
1
Site 1 Site 2
Split Site
Clusters
Split Site Mirror
Site 1 Site 2
SAP HotStandby
SAP
liveCache HotStandby
3 Site
Deployments
N1-1N1-1
S1
Site 1
D4
Site 2
N1-2N1-2
D2
D3
D6
D1
D5
D2-4
N2-1N2-1
D2-6
D2-5
LVM Mirror
Metro Mirror
HyperSwap
VG
Split Site
Mirroring
Location 1 Location 2
S1
S2 S3
3 Site Deployments
Site 1 Site 2 Site 3
Sync
Mirror
Hyperswap
Cluster
Secondary DS8K
Site 2
Site 1 Site 2
SWAPSWAP
HyperSwap
Site 1 Site 2
HyperSwap
Site 1
N1-1N1-1 N1-2N1-2
S1
(Active)
S2
(Active)
SYNC
Site 2
PowerHA N2-1N2-1 N2-2N2-2
Site 1(Active)
Oracle RAC
Up to 100 KMs
Active Active Sites
Site 1 Site 2
Active-Active
Sites
Site 1
N1-1N1-1 N1-2N1-2
S1
(Active)
S2
(Active)
SYNC
Site 2
PowerHA N2-1N2-1 N2-2N2-2
Site 1(Active)
Oracle RAC
Up to 100 KMs
Active Active Sites
Site 1 Site 2
PowerHA for AIX: evolution (from HACMP to now)
1989 1992 2000 2004
Third Party
Storage DR
1
2 12
345678
9
1
0
1
1
1
2 1
2
3456789
1
0
1
1
Site 1 Site 2
2010 2012 2013
 HACMP Cluster
 Active-Passive Failover
 Resource Group
Management
 Planned and unplanned
outage handling
 Disaster Recovery with
Storage: DS8K, SVC
 Framework for OEM disk
and FS support
 Location dependencies
 Low cost Host mirroring
 File Collections
 Fast Disk Takeover
 Redundant communication
support (Disk, Network, SCSI
target, Token ring, Serial etc)
 Integration with Tivoli
Monitoring
 VG failure handling
 NFS HA management
 Fast Failure Detection
 Framework for OEM disk
and FS support
 Capacity Optimized
failovers
 Low cost Host mirroring
 GPFS Integration
 Two Node Rapid
deployment assistant
 WPAR HA Management
 Browser based UI
 RG Dependencies
 Health Monitoring and
Verification framework
 Flexible and uniform
failover policies for 1 or 2
sites
 DR with EMC, Hitachi, XIV
 NDU upgrades
 Self healing
 PowerHA v7: Kernel based
clustering
 PowerHA federated Security
Administration
 Enhanced Split/Merge
handling
 Enhanced Middleware HA
management (Smart Asists)
 SAP HA management
 SAP liveCache HotStandby
solution
 IBM Director: Graphical
Management
 Full IPv6 Support
 Stretched and Linked
Clusters
 HyperSwap with DS8K
 Active-Active Sites support
 Manual Failover DR
 Tie breaker Support
 3 Site support through LVM
Mirror+HyperSwap
 3 Site Support through LVM
Mirror + GLVM Mirroring
 Unicast clustering
 Dynamic Host Name Change
support
© 2014 IBM Corporation #powersystems
AIX HA/DR Customer Profiles
 Data Center Clustering
 Added on top of AIX
 Traditional storage configurations
 Roll your own scripts
 Operations = change management
 Multi-Site Clustering
 Included in AIX (CAA)
 HyperSwap storage configurations
 Smart Assists (included at no charge)
 Operations = minimal change management
TRADITIONAL PowerHA V7
© 2014 IBM Corporation #powersystems
7.1.0 GA: Sep 2010
7.1.1 GA: Dec 2011
7.1.2 GA: Nov 2012
7.1.3 GA: Dec 2013
✓ Based on OS integrated clustering for simplicity and reliability
✓ Systems Director-based management for simple, centralized cluster administration
✓ Smart Assists to simplify deployment of high availability for SAP and other applications
✓ Multiple redundant heartbeat with SAN communications for robust cluster integrity
✓ Advanced resource group policies for automated recovery sequencing
V7 for AIX
2013 Enhancements
Unicast Clustering
Repository disk recover config to new disk
Dynamic Host Name modification support
© 2014 IBM Corporation #powersystems
AIX Enterprise Edition
 PowerHA SystemMirror for AIX Enterprise Edition
– Long distance failover for Disaster Recovery
– Low cost host based mirroring support (GLVM)
 Extensive support for storage array replication
– Short distance (~100KMs) deployment: Synchronous
– Long distance (1000’s of KM) deployment:
Asynchronous
New York London
GLVM Mirroring
Storage Mirroring
High Availability and Disaster Recovery across multi site
Compute & Storage infrastructure
Supported Mirroring Technologies
Replication Technology Sync Async
Host Replication Geo LVM (GLVM)
Storage Array Replication
IBM DS8K Series Storage - PPRC
SVC, Storwize,
XIV
EMC – SRDF
Hitachi – Universal Replicator,Truecopy
HP – Continuous Access
Network
Fiber
© 2014 IBM Corporation #powersystems
Time to move to PowerHA V7
PowerHA SystemMirror 6.1 7.1 PowerHA 7.1 Benefit
IBM Director based graphical user interface NA  Ease of Use
Cluster Aware AIX (CAA) NA  Reliability
Triple redundant heartbeat NA  Effectively eliminates partitioning
SAN based communications NA  Additional cluster communication path
Stretched cluster (shared repository) NA  Two-Site unicast or multicast HA/DR
Cross Site Mirroring (single site stretch cluster) NA  LVM mirroring with CAA
Linked clusters (separate repositories) NA  Two-Site HA/DR separate networks
HyperSwap with DS8800, DS8870 NA  Two-Site continuously available storage
Active-Active HyperSwap & single node HyperSwap NA  Options for continuous app and storage availability
Multi-Site set up wizard NA  Speeds up implementation
Two site linked cluster operator managed failover NA  Operator decides whether or not to failover
Federated Security NA  Cluster wide security management
Live Cache SAP hot standby NA  Fast failover for APO SCM
Smart Assists for LiveCache and Netweaver NA  Faster, customizable deployment
Root Vg failure handling NA  Avoid downtime due to inactive OS
PowerHA V6.1 EOS: 4/30/2015
Three year service extension planned
PowerHA V6.1 EOS: 4/30/2015
Three year service extension planned
© 2014 IBM Corporation #powersystems
11
PowerHA SystemMirror 7.1.X Editions for AIX
High Level Features
Standard
Edition
Enterprise
Edition
Centralized Management CSPOC  
Cluster resource management  
Shared Storage management  
Cluster verification framework  
Integrated disk heartbeat  
SMIT management interfaces  
AIX event/error management  
Integrated heartbeat  
PowerHA DLPAR HA management  
Smart Assists  
Multi Site HA Management  
PowerHA GLVM async mode 
GLVM deployment wizard 
IBM Metro Mirror support 
IBM Global Mirror support 
OEM Copy Services 
Hyperswap with DS8K 
Highlights:
 Editions to optimize software value
capture
 Standard Edition targeted
at datacenter HA
 Enterprise Edition targeted
at multi-site HA/DR
- Stretched Clusters
- Linked Clusters
 Per processor core used + tiered
pricing structure
- Small/Med/Large
© 2014 IBM Corporation #powersystems
PowerHA 7.1 Two-Site Solutions
 PowerHA SystemMirror Enterprise Edition
– Two for two-site deployments
– Each option provide configurations
optimized for customer requirements
 Stretched Cluster
– Supports unicast (default) or multicast
communications
– Triple redundant heartbeat
– Campus/Metro deployments
 Linked Cluster
– Enables two sites with independent
networks (campus or cross country)
– Suitable for campus, metro and cross
country deployments
Two-Site Stretched Cluster
Two-Site Linked Cluster
Repository Disk
© 2014 IBM Corporation #powersystems
PowerHA SystemMirror 7.1 Stretched Clusters
Cross-Site Mirroring
Campus
Continuous access to data in
the event of a storage
subsystem outage
Single Data Center
Applications remain active
PowerHA-Standard Edition
LVM Mirroring
RPO=0, RTO = 0
Two Data Centers
Systems remain active
Hyper Swap Mirroring
Metropolitan Region
PowerHA Enterprise Edition
DS8800 and Metro Mirror
RPO =0 RTO <1 hr
Storage RTO..minutes
Continuous access to data in
the event of a storage
subsystem outage
Multi-site workloads can
withstand site and/or storage
failures
Two Data Centers
Systems remain active
Recovery within a
Metropolitan Region
PowerHA Enterprise Edition
GLVM, Metro Mirror,
SRDF,TrueCopy
RPO=0 & RTO<1 hr
Repository Disk Standard Edition Enterprise Edition
© 2014 IBM Corporation #powersystems
PowerHA SystemMirror 7.1 Linked Clusters
Two Data Centers
Rapid Systems Disaster
Recovery with “seconds” of
Data Loss
Disaster recovery for out of
region interruptions
Disaster Recovery at
Extended Distance
PowerHA Enterprise Edition
GLVM/PPRC/SVC/SRDF/TrueCopy
RPO secs & RTO <1 hr
Cross-Site Mirroring
Campus
Continuous access to data in
the event of a storage
subsystem outage
Single Data Centers
Applications remain active
PowerHA-Standard Edition
LVM Mirroring
RPO=0, RTO ~ 0
Hyper-Swap Mirroring
Metropolitan Region
Continuous access to data in
the event of a storage
subsystem outage
Single Data Centers
Applications remain active
PowerHA-Entertprise Edition
DS8800 and Metro Mirror
RPO=0, RTO ~ 0
Multi-site workloads can
withstand site and/or storage
failures
Two Data Centers
Systems remain active
Recovery within a
Metropolitan Region
PowerHA Enterprise Edition
GLVM, Metro Mirror,
SRDF,TrueCopy
RPO=0 & RTO<1 hr
Repository Disk Standard Edition Enterprise Edition
© 2014 IBM Corporation #powersystems
AIX V7 Two-Site Solution Structure
Two Sites Stretched
Cluster
Linked
Clusters
Inter Site Communication Unicast/Multicast Unicast
Repository Disk Shared Separate
Cluster Communication  Networks
 SAN
 Disk
 Networks
 SAN *
Cross Site LVM Mirroring  
Storage based replication  
HyperSwap  
Multi Site Concurrent RG with /
HyperSwap (active-active)
 NA
PowerHA V7.1 Standard Enterprise
Multi Site Definition
• Site Service IP
• Site Policies
 
Stretched Cluster  
Linked Clusters  
HADR with Storage Replication
Management
NA 
HyperSwap NA 
Two-Site Stretched Cluster
Two-Site Linked Cluster
Future capability
*
Repository Disk
© 2014 IBM Corporation #powersystems
Split/Merge Handling PowerHA Linked Cluster
Policy Setting Split Merge Approach
Manual   Manual steps needed for recovery to continue
Tie Breaker   Tie break Holder side wins
Majority Rule  Greater of N/2 side wins
Else, side that includes node with the smallest node id
wins
Priority  Operator chooses a numerical value such as “largest
serial number”
Split
Two site clusterCluster 1
X
Cluster 2
Merge
Two site cluster
© 2014 IBM Corporation #powersystems
Manual (operator controlled failover)
 Split/Merge Policies
– Administrator prompts
– Cluster will wait for Admin inputs
– Optional Policy: After N prompts allow auto-
recovery
– Custom action scripts can invoked at the
time of split or merge as well
 Defaults
– Number of prompts (N)=infinite
– Interval between notifications: once in 30
seconds and then increasing in frequency
– Auto-Recovery after N prompts
site down
cluster split
X
© 2014 IBM Corporation #powersystems
Campus Style HA: Cross Site LVM Mirroring Cluster
Stretched-Cluster
Common At:
• Banking Institutions
• Hospitals
• Power Companies
• Universities
SAN interconnection links
Storage Area Network
LVM Mirror
Location A Location B
© 2014 IBM Corporation #powersystems
Cross Site LVM Failure Scenario
 Loss of a Storage Subsystem will only make mirrors go stale but you would continue to
operate without a fallover
Mirror Pool A
Mirror Pool B
Heartbeat Links
Site A Site B
Data
Volume
Group
VG Import
Definition
© 2014 IBM Corporation #powersystems
HyperSwap Support by AIX-PowerHA
HyperSwap device configuration transparent to application
Applications continue to use the devices as usual - storage switching is fast …seconds
Primary DS8K Secondary DS8K
/dev/hdiskX /dev/hdiskY
Application/LVM/Middleware
Metro Mirror
Primary DS8K Secondary DS8K
/dev/hdiskX /dev/hdiskY
Application/LVM/Middleware
/dev/hdiskX
Metro Mirror
Traditional Metro Mirror Cluster HyperSwap Cluster
© 2014 IBM Corporation #powersystems
HyperSwap Support by AIX-PowerHA
 HyperSwap coordination across hosts and sites
– Planned or unplanned HyperSwap
– Multi host synchronization
 Consistency group management across DS8K
systems
 Typical swap times less than few seconds
 HyperSwap Support for critical system disks
– Rootvg
– Paging device
– Dump Devices
– Repository disk
 Disk Grouping Support
– Groups disks and establish consistency groups
 Support for both AIX LVM and Raw disks
– Disk or VG preparation
– Disk Error handling
– Oracle can be deployed with LVM or ASM disks
 VIOS: NPIV only. No vSCSI support
 Requires DS8800 or above storage
Site 2Site 1
S1
S2
S3
N1 N2 N3 N4
Shared Disk
Tie Breaker
SCSI
Site 2Site 1
Site 3
© 2014 IBM Corporation #powersystems
Auto-Resync Support (2013)
Administrator can turn on/off “auto resync”42
Events Description Auto-Resync
Replication links failed and then recovered Primary stays active and secondary is
synchronized
Secondary Storage failed. Later on Secondary Storage
Recovered
Primary stays active and secondary is
synchronized
Primary Storage Fails
Primary Storage Recovers
HyperSwap occurs to Secondary
Resync from Site 2 to Site 1 is initiated
Site 1 Fails
Site 1 Recovers
Secondary storage is made active
Resync from Site 2 to Site 1 is initiated
2
1
3
4
Site 2Site 1
S1 S2
N1 N2 N3 N4
4
3
21
© Copyright IBM Corporation 2014
Continuous Availability With PowerHA HyperSwap
Metro Mirror
Oracle RAC
PowerHA ClusterActive Nodes Passive Nodes
Oracle RAC
Site A Site B
Metro Mirror
PowerHA ClusterActive Nodes Active Nodes
Oracle RAC
Site A Site B
• Active-Passive Sites
– Active-Active workload within a site
– Active-Passive across sites
– Storage continuous availability across sites
• Active-Active Sites
– Active-Active workload across sites
– Continuous availability
– Oracle RAC long distance deployment
© Copyright IBM Corporation 2014
Oracle RAC HyperSwap Active-Active PowerHA Cluster
Customer in CHINA – PowerHA Enterprise Edition AIX
© Copyright IBM Corporation 2014
LPAR
Application
PowerHA Cluster
Hypervisor
LPAR LPAR
Hypervisor
LPAR
CoD Spare Pool
Inactive Pool
PowerHA AIX: Resource Optimized High Availability
• PowerHA provides for LPAR resource management during failovers
• Can readjust resources from the free pool
• Can enable CPU and memory as needed using CoD temp for memory
– For on/off CoD, you’ll need to write scripts for now
• Power Enterprise Pools option-both processors and memory are moveable
– Operator initiated via HMC command line or via custom scripts to automate
© Copyright IBM Corporation 2014
PowerHA on AIX with DLPAR cost savings example
• PowerHA and AIX are priced per processor core (license only the cores being used in the cluster)
• Taking advantage of the DLPAR technology in the example topology:
– Assume 770 cluster, 7 AIX and 7 PowerHA
– PowerHA price: 5,000/core = $35,000…..75,000 – 35,000 = savings: $40,000
– AIX price: 2145/core + 530/core = 2675/core = $40,125 – $21,400…..savings: $18,725
– Total savings….$58,725
U.S. example actual results may vary by country
© Copyright IBM Corporation 2014
Session summary
PowerHA V7 is integrated
CAA for robust integrated management
Industry unique capabilities
PowerHA V7 is multi-site
Industry exclusive capabilities
Stretch clustering and Linked clustering
HyperSwap for continuously available configurations
PowerHA is economical
DLPAR and Enterprise Pools – minimize redundant resource
PowerHA Smart Assists
# Smart Assist V 7.1.1 V 7.1.2 V 7.1.3
1 Oracle Database Server 10gR2 11gR2 11gR2
2 Oracle Application Server 10gR2 10gR2 10.1.2.0.2
3 DB2 Enterprise Ed. 9.5 9.7 10.1
4 SAP Net weaver 7.0 7.0 7.3
SAP Kernel 7.0 7.0 7.2
Oracle 10gR2 10gR2 11gR2
DB2 9.7 9.7 10.1
5 SAP Live Cache 7.9
6 Max DB 7.6 7.7 7.8
7 WAS 6.1 6.1 6.1
8 Websphere MQ 6.1 6.1 7.5
9 TSM (Tivoli Storage Manager)
Admin ,Server, Client
6.1 6.1 6.2
10 Lotus Domino Server 8.5.1 8.5.1 9
11 ITDS (IBM Tivoli Directory Sever) 5.2 6.3 6.3
12 IBM HTTP Server 6.1 6.1 6.1
13 FileNet P8 4.5.1 4.5.1 4.5.1
14 Print SubSystem AIX V6 & V7 AIX V6 & V7 AIX V6 & V7
PowerHA SystemMirror V7: Rapid Deployment Guide
https://www.ibm.com/developerworks/aix/tutorials/au-ibm-powerha-system-mirror/
Redbooks
•
SG24-
7841
•
SG24-
7845
•
SG24-
7739
Product Marketing and Service Available
Withdrawn from Marketing; Standard Program Services Available
Current PowerHA Releases - New software enhancements, new system and I/O support
PowerHA Service Packs - Software updates, new system and I/O support updates
Fee-based support offering planned
SP update for software, new HW&IO support
Significant new functionality added
2008 2009 2010 2011 2012 2013 2014 2015 2016
PowerHA V5.5
* - Estimated since not currently announced
11/08 4/2012
EOS
PowerHA V6.1
Std/Ent
10/09 4/2015
EOS
2017 2018
PowerHA V7.1 TL0
Std
9/10
*
9/2014
PowerHA V7.1 TL1
Std
PowerHA V7.1 TL2
Std/Ent
PowerHA V7.1 TL3
Std/Ent
TBD
12/11 4/2015
11/12 4/2016
12/13 4/2017
V7.1
End of Service marker (without additional fees)
* * *
* * * *
* *
* * * *
* * * *
* * * *
* * * *
* * *
*
* * * *
* * * *
* * * *
* * * *
* * * *
* *
2019
PowerHA SystemMirror Life Cycle
PowerHA SystemMirror V7: Resources
Planning, Install, and Configuration
Redbook (www.redbook.com)
1. IBM PowerHA SystemMirror 7.1.3 for AIX Reference Guide, SG24-8167-00
2. IBM PowerHA SystemMirror Standard Edition 7.1.1 for AIX Update, SG24-8030
3. IBM PowerHA SystemMirror 7.1.2 Enterprise Edition for AIX, SG24-8106-00
4. Exploiting IBM PowerHA SystemMirror V6.1 for AIX Enterprise Edition, SG24-7841
5. PowerHA for AIX Cookbook, SG24-7739-00
6. Deploying PowerHA Solution with AIX HyperSwap, REDP-4954-00
White Papers, FAQ, Knowledge Center
1. PowerHA v7 Rapid Deployment white paper:
https://www.ibm.com/developerworks/aix/tutorials/au-ibm-powerha-system-mirror/
2. PowerHA Home Page: www.ibm.com/systems/power/software/availability/
3. PowerHA Product Documentation (Knowledge Center):
http://www-01.ibm.com/support/knowledgecenter/SSPHQG_7.1.0/com.ibm.powerha.navigation/kc_welcome_ha_71.htm
4. PowerHA Wiki:
https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/Power%20Systems/page/High%20Availability
5. PowerHA FAQ: http://www-03.ibm.com/systems/power/software/availability/aix/faq_support.html
Education (www.ibm.com/services/learning)
1. What’s New in PowerHA SystemMirror 7 and Migration - Course code: AN65G
2. IBM PowerHA SystemMirror 7.1.2 for AIX Update - Course code: WRB82G
3. PowerHA 7 Planning, Implementing, Customizing and Administration -Course code: AN61G
4. PowerHA SystemMirror 6.1 Migration, Extended Configuration and PD - Course code: AN42G
5. PowerHA/XD: Extended Distance and Disaster Recovery - Course code: AN44G
6. PowerHA SystemMirror for AIX III: Virtualization and Mobility - Course code: AN43G
7. PowerHA SystemMirror 7.1 Planning and Implementation - Course code: AN67G
8. PowerHA 7 Additional Configurations - Course code: AN62G
9. PowerHA SystemMirror 7.1: Customization and Basic Administration - Course code: AN68G
IBM Services Offerings
1. Availability Factory: Contact your IBM representative or an IBM Business Partner and they will contact us via e-mail
(hacoc@us.ibm.com) to learn more.
2. IBM Technology Service Offering for PowerHA SystemMirror Multi Site deployment: http://www-
935.ibm.com/services/us/index.wss/offering/its/a1000032
PowerHA SystemMirror V7: Resources…Continued
IBM System Lab Services (LBS) Offerings
Offering Duration Details
PowerHA Deployment Services 2 to 8 days Review of customer requirements
Plan and design PowerHA deployment
Support deployment and document best practices
PowerHA Health Check Week Review current HA deployment
Review business processes
Create guidance, recommendations report
PowerHA and IBM Storage
Planning/Implementation
4 days Education and hands-on activities
Review HA and DR requirements
Plan PowerHA and storage for the environment
PowerHA Disaster Recovery
Workshop
1 to 4 days Develop HA DR requirements by working closely with the on
site customer reps.
Assist in development of action plan and schedule
Visit: ibm.com/systems/services/labservices
Contacts:
1.Linda Hoben – Opportunity Manager hoben@us.ibm.com 1-720-395-0556
2.Stephen Brandenburg – Opportunity Manager sbranden@us.ibm.com 1-301-240-2182
3.Send mail to: stgls@us.ibm.com
code
PowerHA SystemMirror V7: Resources…Continued
PowerHA SAP HA Management
White papers and Redbooks
1. PowerHA - SAP HA management Chapter in IBM PowerHA SystemMirror 7.1.3 for AIX Reference Guide, SG24-8167-0
2. PowerHA-SAP LiveCache Hotstandby Solution Guide: http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP100677
3. LPM of LPARS running SAP: http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP101471
4. Tuning SAP with Oracle on AIX: http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP100377
Education and Service Offerings: Contact: isicc@de.ibm.com
PowerHA SAP HA Management:: Plan, Deploy Smart Assist based NetWeaver, ERS deployment design and planning. SAP instances,
databases including liveCache/MAXDB
SAP liveCache HotStandby plan, Deploy PowerHA Smart Assist based liveCache Hotstandby solution design, and deployment
Pre Sales Offering:
PowerHA cluster HA management of SAP
Education and assistance to plan for SAP solutions with PowerHA
PowerHA HA management of Sybase Plan, deploy Sybase ASE HA management by PowerHA Clustering
Duration: Depending on the ordered modules and amount of instances. Estimate will be provided upon request.
© Copyright IBM Corporation 2014
PowerHA SystemMirror References
• IBM PowerHA SystemMirror7.1.3 for AIX Best Practices &
Reference Architectures
SG24-8167-00 (Not available for download yet)
• IBM PowerHA SystemMirror 7.1.2 Enterprise Edition for AIX -
SG24-8106-00
http://www.redbooks.ibm.com/abstracts/sg248106.html?Open
• Deploying PowerHA Solution with AIX HyperSwap - REDP-4954-00
http://www.redbooks.ibm.com/redpieces/abstracts/redp4954.html?Open
• PowerHA SystemMirror for AIX Base Pubs
http://publib.boulder.ibm.com/infocenter/aix/v7r1/index.jsp?topic=
%2Fcom.ibm.aix.powerha.navigation%2Fpowerha_pdf.htm
Additional Resources for PowerHA SystemMirror AIX
• PowerHA Website
– www.ibm.com/systems/power/software/availability/
• Availability Factory
– Contact your IBM representative or an IBM Business Partner and they will contact us via e-mail (hacoc@us.ibm.com) to learn more.
• IBM Technology Service Offering for PowerHA SystemMirror XD deployment
– http://www-935.ibm.com/services/us/index.wss/offering/its/a1000032
• Redbooks
– SG24-7841 IBM PowerHA Enterprise Edition Implementation Guide
– SG24- 7845 IBM PowerHA V7.1
– IBM PowerHA SystemMirror7.1.3 for AIX Best Practices & Reference Architectures SG24-8167-00 (stay tuned…not available yet)
– IBM PowerHA SystemMirror 7.1.2 Enterprise Edition for AIX - SG24-8106-00 http://www.redbooks.ibm.com/abstracts/sg248106.html?Open
– Deploying PowerHA Solution with AIX HyperSwap - REDP-4954-00 http://www.redbooks.ibm.com/redpieces/abstracts/redp4954.html?Open
– PowerHA SystemMirror for AIX Base Pubs http://publib.boulder.ibm.com/infocenter/aix/v7r1/index.jsp?topic=
%2Fcom.ibm.aix.powerha.navigation%2Fpowerha_pdf.htm
• Education: PowerHA for AIX Implementation, Config and Administration AN410
– Go to IBM.com/services/learning (search for AN410 or PowerHA)
• Education: Lab Services AN44 Extended Distance and Disaster Recovery
– http://www- 304.ibm.com/jct03001c/services/learning/ites.wss/us/en?
pageType=course_list&subChapter=194&subChapterInd=S&region=us&subChapterName=AIX+high+availability&country=us
– http://lpar.co.uk/HA/home.html
• GLVM white paper
– www.ibm.com/systems/resources/systems_p_os_aix_whitepapers_pdf_aix_glvm.pdf
• IBM storage virtualization offerings
– www.ibm.com/systems/storage/virtualization
• SAP consulting services for POWERHA and POWERVM
– gehenni@us.ibm.com
– sbranden@us.ibm.com
• Wiki
– http://www.ibm.com/developerworks/wikis/display/WikiPtype/High%20Availability
– https://w3-connections.ibm.com/wikis/home?lang=en-us#!/wiki/hacmp/page/PowerHA%20for%20AIX
© Copyright IBM Corporation 2014
This document was developed for IBM offerings in the United States as of the date of publication. IBM may not make these offerings available in
other countries, and the information is subject to change without notice. Consult your local IBM business contact for information on the IBM
offerings available in your area.
Information in this document concerning non-IBM products was obtained from the suppliers of these products or other public sources. Questions
on the capabilities of non-IBM products should be addressed to the suppliers of those products.
IBM may have patents or pending patent applications covering subject matter in this document. The furnishing of this document does not give
you any license to these patents. Send license inquires, in writing, to IBM Director of Licensing, IBM Corporation, New Castle Drive, Armonk, NY
10504-1785 USA.
All statements regarding IBM future direction and intent are subject to change or withdrawal without notice, and represent goals and objectives
only.
The information contained in this document has not been submitted to any formal IBM test and is provided "AS IS" with no warranties or
guarantees either expressed or implied.
All examples cited or described in this document are presented as illustrations of the manner in which some IBM products can be used and the
results that may be achieved. Actual environmental costs and performance characteristics will vary depending on individual client configurations
and conditions.
IBM Global Financing offerings are provided through IBM Credit Corporation in the United States and other IBM subsidiaries and divisions
worldwide to qualified commercial and government clients. Rates are based on a client's credit rating, financing terms, offering type, equipment
type and options, and may vary by country. Other restrictions may apply. Rates and offerings are subject to change, extension or withdrawal
without notice.
IBM is not responsible for printing errors in this document that result in pricing or information inaccuracies.
All prices shown are IBM's United States suggested list prices and are subject to change without notice; reseller prices may vary.
IBM hardware products are manufactured from new parts, or new and serviceable used parts. Regardless, our warranty terms apply.
Any performance data contained in this document was determined in a controlled environment. Actual results may vary significantly and are
dependent on many factors including system hardware configuration and software design and configuration. Some measurements quoted in this
document may have been made on development-level systems. There is no guarantee these measurements will be the same on generally-
available systems. Some measurements quoted in this document may have been estimated through extrapolation. Users of this document
should verify the applicable data for their specific environment.
Revised September 26, 2006
Special notices
© Copyright IBM Corporation 2014
IBM, the IBM logo, ibm.com AIX, AIX (logo), AIX 5L, AIX 6 (logo), AS/400, BladeCenter, Blue Gene, ClusterProven, DB2, ESCON, i5/OS, i5/OS (logo), IBM Business
Partner (logo), IntelliStation, LoadLeveler, Lotus, Lotus Notes, Notes, Operating System/400, OS/400, PartnerLink, PartnerWorld, PowerPC, pSeries, Rational, RISC
System/6000, RS/6000, THINK, Tivoli, Tivoli (logo), Tivoli Management Environment, WebSphere, xSeries, z/OS, zSeries, Active Memory, Balanced Warehouse,
CacheFlow, Cool Blue, IBM Systems Director VMControl, pureScale, TurboCore, Chiphopper, Cloudscape, DB2 Universal Database, DS4000, DS6000, DS8000,
EnergyScale, Enterprise Workload Manager, General Parallel File System, , GPFS, HACMP, HACMP/6000, HASM, IBM Systems Director Active Energy Manager,
iSeries, Micro-Partitioning, POWER, PowerExecutive, PowerVM, PowerVM (logo), PowerHA, Power Architecture, Power Everywhere, Power Family, POWER Hypervisor,
Power Systems, Power Systems (logo), Power Systems Software, Power Systems Software (logo), POWER2, POWER3, POWER4, POWER4+, POWER5, POWER5+,
POWER6, POWER6+, POWER7, System i, System p, System p5, System Storage, System z, TME 10, Workload Partitions Manager and X-Architecture are trademarks
or registered trademarks of International Business Machines Corporation in the United States, other countries, or both. If these and other IBM trademarked terms are
marked on their first occurrence in this information with a trademark symbol (® or ™), these symbols indicate U.S. registered or common law trademarks owned by IBM
at the time this information was published. Such trademarks may also be registered or common law trademarks in other countries.
A full list of U.S. trademarks owned by IBM may be found at: http://www.ibm.com/legal/copytrade.shtml.
Adobe, the Adobe logo, PostScript, and the PostScript logo are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States, and/or
other countries.
AltiVec is a trademark of Freescale Semiconductor, Inc.
AMD Opteron is a trademark of Advanced Micro Devices, Inc.
InfiniBand, InfiniBand Trade Association and the InfiniBand design marks are trademarks and/or service marks of the InfiniBand Trade Association.
Intel, Intel logo, Intel Inside, Intel Inside logo, Intel Centrino, Intel Centrino logo, Celeron, Intel Xeon, Intel SpeedStep, Itanium, and Pentium are trademarks or registered
trademarks of Intel Corporation or its subsidiaries in the United States and other countries.
IT Infrastructure Library is a registered trademark of the Central Computer and Telecommunications Agency which is now part of the Office of Government Commerce.
Java and all Java-based trademarks and logos are trademarks or registered trademarks of Oracle and/or its affiliates.
Linear Tape-Open, LTO, the LTO Logo, Ultrium, and the Ultrium logo are trademarks of HP, IBM Corp. and Quantum in the U.S. and other countries.
Linux is a registered trademark of Linus Torvalds in the United States, other countries or both.
Microsoft, Windows and the Windows logo are registered trademarks of Microsoft Corporation in the United States, other countries or both.
NetBench is a registered trademark of Ziff Davis Media in the United States, other countries or both.
SPECint, SPECfp, SPECjbb, SPECweb, SPECjAppServer, SPEC OMP, SPECviewperf, SPECapc, SPEChpc, SPECjvm, SPECmail, SPECimap and SPECsfs are
trademarks of the Standard Performance Evaluation Corp (SPEC).
The Power Architecture and Power.org wordmarks and the Power and Power.org logos and related marks are trademarks and service marks licensed by Power.org.
TPC-C and TPC-H are trademarks of the Transaction Performance Processing Council (TPPC).
UNIX is a registered trademark of The Open Group in the United States, other countries or both.
Revised December 2, 2010
Special notices (cont.)

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Ibm power ha v7 technical deep dive workshop

  • 1. © 2014 IBM Corporation IBM PowerHA This is Power on a Smarter Planet Steven Finnes PowerHA Product Offering Manager #powersystems, #powerlinux, #bigdata, #IBMWatson, #OpenPOWER June 2014
  • 2. © 2014 IBM Corporation #powersystems Student Guide & Workshop & Internal Training & Confidential Update Daily https://goo.gl/VVmVZ0 1_PowerVM_Overview http://ouo.io/A5eFQ 2_PowerVM_VIOS_Starter http://ouo.io/TL7QO 3_PowerVM_processors http://ouo.io/nOFC2 4_PowerVM_AMS http://ouo.io/t0nLS0 5_PowerVM_Best_Practices http://ouo.io/awHwM4 6_PowerVM_VIOS_SSP2(1) http://ouo.io/8QLjTQ 7_PowerVM_10Gbit_Ethernet http://ouo.io/vtAN6D 8_Active_Memory_Expansion http://ouo.io/62c4rD 9_VIOS_maintenance http://ouo.io/cu09p 10_Active_Memory_Dedup http://ouo.io/UlxI0 2
  • 3. © 2014 IBM Corporation #powersystems© 201 3 Power Systems High Availability Solution For mission critical application availability through planned and unplanned outage events Shared Storage Clustering Technology designed for automation and minimal IT operations. Multi-Site Clustering for enterprise class availability Embedded for integrated simplicity and reliability
  • 4. © 2014 IBM Corporation #powersystems Clustering for HA and DR  PowerHA enables 24x365 operational availability  Automation for planned and unplanned outages  Solutions covering simple data center to multiple-site configurations Application Application PowerHA standard edition cluster PowerHA enterprise edition cluster
  • 5. © 2014 IBM Corporation #powersystems Cluster based high availability solutions  Cluster based High Availability (HA) – Business continuity via workload failover – Provides for redundant operating environment – Automated workload bring up – Environment specific outage actions – Planned and unplanned outage management  Cluster Solutions – Two or more Servers in the cluster – Cluster management console and software – Communication for monitoring & synchronization – Active-Passive and Active-Active models  Disaster Recovery (DR) Management – Multi-site clustering – Simplified compliance testing – Storage base replication options Technology Availability Clusters Fault Tolerance Single Server Critical workloads … System 1 PowerHA Cluster Node 1 Active … System 2 PowerHA Cluster Node 2 Standby PowerHA Cluster Failover Fig 1: Cluster High Availability
  • 6. © 2014 IBM Corporation #powersystems  E2E integration  Single point of control  Application level granularity  Distributed server h/w mgt  E2E RPO 0-3 sec / RTO < 1H Single server Site 1 Clusters Site 1 Multi-site Disaster Recovery 1 2 12 3456789 1 0 1 1 1 2 12 3456789 1 0 1 1 Site 1 Site 2 Split Site Clusters Split Site Mirror Site 1 Site 2 SAP HotStandby SAP liveCache HotStandby 3 Site Deployments N1-1N1-1 S1 Site 1 D4 Site 2 N1-2N1-2 D2 D3 D6 D1 D5 D2-4 N2-1N2-1 D2-6 D2-5 LVM Mirror Metro Mirror HyperSwap VG Split Site Mirroring Location 1 Location 2 S1 S2 S3 3 Site Deployments Site 1 Site 2 Site 3 Sync Mirror Hyperswap Cluster Secondary DS8K Site 2 Site 1 Site 2 SWAPSWAP HyperSwap Site 1 Site 2 HyperSwap Site 1 N1-1N1-1 N1-2N1-2 S1 (Active) S2 (Active) SYNC Site 2 PowerHA N2-1N2-1 N2-2N2-2 Site 1(Active) Oracle RAC Up to 100 KMs Active Active Sites Site 1 Site 2 Active-Active Sites Site 1 N1-1N1-1 N1-2N1-2 S1 (Active) S2 (Active) SYNC Site 2 PowerHA N2-1N2-1 N2-2N2-2 Site 1(Active) Oracle RAC Up to 100 KMs Active Active Sites Site 1 Site 2 PowerHA for AIX: evolution (from HACMP to now) 1989 1992 2000 2004 Third Party Storage DR 1 2 12 345678 9 1 0 1 1 1 2 1 2 3456789 1 0 1 1 Site 1 Site 2 2010 2012 2013  HACMP Cluster  Active-Passive Failover  Resource Group Management  Planned and unplanned outage handling  Disaster Recovery with Storage: DS8K, SVC  Framework for OEM disk and FS support  Location dependencies  Low cost Host mirroring  File Collections  Fast Disk Takeover  Redundant communication support (Disk, Network, SCSI target, Token ring, Serial etc)  Integration with Tivoli Monitoring  VG failure handling  NFS HA management  Fast Failure Detection  Framework for OEM disk and FS support  Capacity Optimized failovers  Low cost Host mirroring  GPFS Integration  Two Node Rapid deployment assistant  WPAR HA Management  Browser based UI  RG Dependencies  Health Monitoring and Verification framework  Flexible and uniform failover policies for 1 or 2 sites  DR with EMC, Hitachi, XIV  NDU upgrades  Self healing  PowerHA v7: Kernel based clustering  PowerHA federated Security Administration  Enhanced Split/Merge handling  Enhanced Middleware HA management (Smart Asists)  SAP HA management  SAP liveCache HotStandby solution  IBM Director: Graphical Management  Full IPv6 Support  Stretched and Linked Clusters  HyperSwap with DS8K  Active-Active Sites support  Manual Failover DR  Tie breaker Support  3 Site support through LVM Mirror+HyperSwap  3 Site Support through LVM Mirror + GLVM Mirroring  Unicast clustering  Dynamic Host Name Change support
  • 7. © 2014 IBM Corporation #powersystems AIX HA/DR Customer Profiles  Data Center Clustering  Added on top of AIX  Traditional storage configurations  Roll your own scripts  Operations = change management  Multi-Site Clustering  Included in AIX (CAA)  HyperSwap storage configurations  Smart Assists (included at no charge)  Operations = minimal change management TRADITIONAL PowerHA V7
  • 8. © 2014 IBM Corporation #powersystems 7.1.0 GA: Sep 2010 7.1.1 GA: Dec 2011 7.1.2 GA: Nov 2012 7.1.3 GA: Dec 2013 ✓ Based on OS integrated clustering for simplicity and reliability ✓ Systems Director-based management for simple, centralized cluster administration ✓ Smart Assists to simplify deployment of high availability for SAP and other applications ✓ Multiple redundant heartbeat with SAN communications for robust cluster integrity ✓ Advanced resource group policies for automated recovery sequencing V7 for AIX 2013 Enhancements Unicast Clustering Repository disk recover config to new disk Dynamic Host Name modification support
  • 9. © 2014 IBM Corporation #powersystems AIX Enterprise Edition  PowerHA SystemMirror for AIX Enterprise Edition – Long distance failover for Disaster Recovery – Low cost host based mirroring support (GLVM)  Extensive support for storage array replication – Short distance (~100KMs) deployment: Synchronous – Long distance (1000’s of KM) deployment: Asynchronous New York London GLVM Mirroring Storage Mirroring High Availability and Disaster Recovery across multi site Compute & Storage infrastructure Supported Mirroring Technologies Replication Technology Sync Async Host Replication Geo LVM (GLVM) Storage Array Replication IBM DS8K Series Storage - PPRC SVC, Storwize, XIV EMC – SRDF Hitachi – Universal Replicator,Truecopy HP – Continuous Access Network Fiber
  • 10. © 2014 IBM Corporation #powersystems Time to move to PowerHA V7 PowerHA SystemMirror 6.1 7.1 PowerHA 7.1 Benefit IBM Director based graphical user interface NA  Ease of Use Cluster Aware AIX (CAA) NA  Reliability Triple redundant heartbeat NA  Effectively eliminates partitioning SAN based communications NA  Additional cluster communication path Stretched cluster (shared repository) NA  Two-Site unicast or multicast HA/DR Cross Site Mirroring (single site stretch cluster) NA  LVM mirroring with CAA Linked clusters (separate repositories) NA  Two-Site HA/DR separate networks HyperSwap with DS8800, DS8870 NA  Two-Site continuously available storage Active-Active HyperSwap & single node HyperSwap NA  Options for continuous app and storage availability Multi-Site set up wizard NA  Speeds up implementation Two site linked cluster operator managed failover NA  Operator decides whether or not to failover Federated Security NA  Cluster wide security management Live Cache SAP hot standby NA  Fast failover for APO SCM Smart Assists for LiveCache and Netweaver NA  Faster, customizable deployment Root Vg failure handling NA  Avoid downtime due to inactive OS PowerHA V6.1 EOS: 4/30/2015 Three year service extension planned PowerHA V6.1 EOS: 4/30/2015 Three year service extension planned
  • 11. © 2014 IBM Corporation #powersystems 11 PowerHA SystemMirror 7.1.X Editions for AIX High Level Features Standard Edition Enterprise Edition Centralized Management CSPOC   Cluster resource management   Shared Storage management   Cluster verification framework   Integrated disk heartbeat   SMIT management interfaces   AIX event/error management   Integrated heartbeat   PowerHA DLPAR HA management   Smart Assists   Multi Site HA Management   PowerHA GLVM async mode  GLVM deployment wizard  IBM Metro Mirror support  IBM Global Mirror support  OEM Copy Services  Hyperswap with DS8K  Highlights:  Editions to optimize software value capture  Standard Edition targeted at datacenter HA  Enterprise Edition targeted at multi-site HA/DR - Stretched Clusters - Linked Clusters  Per processor core used + tiered pricing structure - Small/Med/Large
  • 12. © 2014 IBM Corporation #powersystems PowerHA 7.1 Two-Site Solutions  PowerHA SystemMirror Enterprise Edition – Two for two-site deployments – Each option provide configurations optimized for customer requirements  Stretched Cluster – Supports unicast (default) or multicast communications – Triple redundant heartbeat – Campus/Metro deployments  Linked Cluster – Enables two sites with independent networks (campus or cross country) – Suitable for campus, metro and cross country deployments Two-Site Stretched Cluster Two-Site Linked Cluster Repository Disk
  • 13. © 2014 IBM Corporation #powersystems PowerHA SystemMirror 7.1 Stretched Clusters Cross-Site Mirroring Campus Continuous access to data in the event of a storage subsystem outage Single Data Center Applications remain active PowerHA-Standard Edition LVM Mirroring RPO=0, RTO = 0 Two Data Centers Systems remain active Hyper Swap Mirroring Metropolitan Region PowerHA Enterprise Edition DS8800 and Metro Mirror RPO =0 RTO <1 hr Storage RTO..minutes Continuous access to data in the event of a storage subsystem outage Multi-site workloads can withstand site and/or storage failures Two Data Centers Systems remain active Recovery within a Metropolitan Region PowerHA Enterprise Edition GLVM, Metro Mirror, SRDF,TrueCopy RPO=0 & RTO<1 hr Repository Disk Standard Edition Enterprise Edition
  • 14. © 2014 IBM Corporation #powersystems PowerHA SystemMirror 7.1 Linked Clusters Two Data Centers Rapid Systems Disaster Recovery with “seconds” of Data Loss Disaster recovery for out of region interruptions Disaster Recovery at Extended Distance PowerHA Enterprise Edition GLVM/PPRC/SVC/SRDF/TrueCopy RPO secs & RTO <1 hr Cross-Site Mirroring Campus Continuous access to data in the event of a storage subsystem outage Single Data Centers Applications remain active PowerHA-Standard Edition LVM Mirroring RPO=0, RTO ~ 0 Hyper-Swap Mirroring Metropolitan Region Continuous access to data in the event of a storage subsystem outage Single Data Centers Applications remain active PowerHA-Entertprise Edition DS8800 and Metro Mirror RPO=0, RTO ~ 0 Multi-site workloads can withstand site and/or storage failures Two Data Centers Systems remain active Recovery within a Metropolitan Region PowerHA Enterprise Edition GLVM, Metro Mirror, SRDF,TrueCopy RPO=0 & RTO<1 hr Repository Disk Standard Edition Enterprise Edition
  • 15. © 2014 IBM Corporation #powersystems AIX V7 Two-Site Solution Structure Two Sites Stretched Cluster Linked Clusters Inter Site Communication Unicast/Multicast Unicast Repository Disk Shared Separate Cluster Communication  Networks  SAN  Disk  Networks  SAN * Cross Site LVM Mirroring   Storage based replication   HyperSwap   Multi Site Concurrent RG with / HyperSwap (active-active)  NA PowerHA V7.1 Standard Enterprise Multi Site Definition • Site Service IP • Site Policies   Stretched Cluster   Linked Clusters   HADR with Storage Replication Management NA  HyperSwap NA  Two-Site Stretched Cluster Two-Site Linked Cluster Future capability * Repository Disk
  • 16. © 2014 IBM Corporation #powersystems Split/Merge Handling PowerHA Linked Cluster Policy Setting Split Merge Approach Manual   Manual steps needed for recovery to continue Tie Breaker   Tie break Holder side wins Majority Rule  Greater of N/2 side wins Else, side that includes node with the smallest node id wins Priority  Operator chooses a numerical value such as “largest serial number” Split Two site clusterCluster 1 X Cluster 2 Merge Two site cluster
  • 17. © 2014 IBM Corporation #powersystems Manual (operator controlled failover)  Split/Merge Policies – Administrator prompts – Cluster will wait for Admin inputs – Optional Policy: After N prompts allow auto- recovery – Custom action scripts can invoked at the time of split or merge as well  Defaults – Number of prompts (N)=infinite – Interval between notifications: once in 30 seconds and then increasing in frequency – Auto-Recovery after N prompts site down cluster split X
  • 18. © 2014 IBM Corporation #powersystems Campus Style HA: Cross Site LVM Mirroring Cluster Stretched-Cluster Common At: • Banking Institutions • Hospitals • Power Companies • Universities SAN interconnection links Storage Area Network LVM Mirror Location A Location B
  • 19. © 2014 IBM Corporation #powersystems Cross Site LVM Failure Scenario  Loss of a Storage Subsystem will only make mirrors go stale but you would continue to operate without a fallover Mirror Pool A Mirror Pool B Heartbeat Links Site A Site B Data Volume Group VG Import Definition
  • 20. © 2014 IBM Corporation #powersystems HyperSwap Support by AIX-PowerHA HyperSwap device configuration transparent to application Applications continue to use the devices as usual - storage switching is fast …seconds Primary DS8K Secondary DS8K /dev/hdiskX /dev/hdiskY Application/LVM/Middleware Metro Mirror Primary DS8K Secondary DS8K /dev/hdiskX /dev/hdiskY Application/LVM/Middleware /dev/hdiskX Metro Mirror Traditional Metro Mirror Cluster HyperSwap Cluster
  • 21. © 2014 IBM Corporation #powersystems HyperSwap Support by AIX-PowerHA  HyperSwap coordination across hosts and sites – Planned or unplanned HyperSwap – Multi host synchronization  Consistency group management across DS8K systems  Typical swap times less than few seconds  HyperSwap Support for critical system disks – Rootvg – Paging device – Dump Devices – Repository disk  Disk Grouping Support – Groups disks and establish consistency groups  Support for both AIX LVM and Raw disks – Disk or VG preparation – Disk Error handling – Oracle can be deployed with LVM or ASM disks  VIOS: NPIV only. No vSCSI support  Requires DS8800 or above storage Site 2Site 1 S1 S2 S3 N1 N2 N3 N4 Shared Disk Tie Breaker SCSI Site 2Site 1 Site 3
  • 22. © 2014 IBM Corporation #powersystems Auto-Resync Support (2013) Administrator can turn on/off “auto resync”42 Events Description Auto-Resync Replication links failed and then recovered Primary stays active and secondary is synchronized Secondary Storage failed. Later on Secondary Storage Recovered Primary stays active and secondary is synchronized Primary Storage Fails Primary Storage Recovers HyperSwap occurs to Secondary Resync from Site 2 to Site 1 is initiated Site 1 Fails Site 1 Recovers Secondary storage is made active Resync from Site 2 to Site 1 is initiated 2 1 3 4 Site 2Site 1 S1 S2 N1 N2 N3 N4 4 3 21
  • 23. © Copyright IBM Corporation 2014 Continuous Availability With PowerHA HyperSwap Metro Mirror Oracle RAC PowerHA ClusterActive Nodes Passive Nodes Oracle RAC Site A Site B Metro Mirror PowerHA ClusterActive Nodes Active Nodes Oracle RAC Site A Site B • Active-Passive Sites – Active-Active workload within a site – Active-Passive across sites – Storage continuous availability across sites • Active-Active Sites – Active-Active workload across sites – Continuous availability – Oracle RAC long distance deployment
  • 24. © Copyright IBM Corporation 2014 Oracle RAC HyperSwap Active-Active PowerHA Cluster Customer in CHINA – PowerHA Enterprise Edition AIX
  • 25. © Copyright IBM Corporation 2014 LPAR Application PowerHA Cluster Hypervisor LPAR LPAR Hypervisor LPAR CoD Spare Pool Inactive Pool PowerHA AIX: Resource Optimized High Availability • PowerHA provides for LPAR resource management during failovers • Can readjust resources from the free pool • Can enable CPU and memory as needed using CoD temp for memory – For on/off CoD, you’ll need to write scripts for now • Power Enterprise Pools option-both processors and memory are moveable – Operator initiated via HMC command line or via custom scripts to automate
  • 26. © Copyright IBM Corporation 2014 PowerHA on AIX with DLPAR cost savings example • PowerHA and AIX are priced per processor core (license only the cores being used in the cluster) • Taking advantage of the DLPAR technology in the example topology: – Assume 770 cluster, 7 AIX and 7 PowerHA – PowerHA price: 5,000/core = $35,000…..75,000 – 35,000 = savings: $40,000 – AIX price: 2145/core + 530/core = 2675/core = $40,125 – $21,400…..savings: $18,725 – Total savings….$58,725 U.S. example actual results may vary by country
  • 27. © Copyright IBM Corporation 2014 Session summary PowerHA V7 is integrated CAA for robust integrated management Industry unique capabilities PowerHA V7 is multi-site Industry exclusive capabilities Stretch clustering and Linked clustering HyperSwap for continuously available configurations PowerHA is economical DLPAR and Enterprise Pools – minimize redundant resource
  • 28. PowerHA Smart Assists # Smart Assist V 7.1.1 V 7.1.2 V 7.1.3 1 Oracle Database Server 10gR2 11gR2 11gR2 2 Oracle Application Server 10gR2 10gR2 10.1.2.0.2 3 DB2 Enterprise Ed. 9.5 9.7 10.1 4 SAP Net weaver 7.0 7.0 7.3 SAP Kernel 7.0 7.0 7.2 Oracle 10gR2 10gR2 11gR2 DB2 9.7 9.7 10.1 5 SAP Live Cache 7.9 6 Max DB 7.6 7.7 7.8 7 WAS 6.1 6.1 6.1 8 Websphere MQ 6.1 6.1 7.5 9 TSM (Tivoli Storage Manager) Admin ,Server, Client 6.1 6.1 6.2 10 Lotus Domino Server 8.5.1 8.5.1 9 11 ITDS (IBM Tivoli Directory Sever) 5.2 6.3 6.3 12 IBM HTTP Server 6.1 6.1 6.1 13 FileNet P8 4.5.1 4.5.1 4.5.1 14 Print SubSystem AIX V6 & V7 AIX V6 & V7 AIX V6 & V7
  • 29. PowerHA SystemMirror V7: Rapid Deployment Guide https://www.ibm.com/developerworks/aix/tutorials/au-ibm-powerha-system-mirror/ Redbooks • SG24- 7841 • SG24- 7845 • SG24- 7739
  • 30. Product Marketing and Service Available Withdrawn from Marketing; Standard Program Services Available Current PowerHA Releases - New software enhancements, new system and I/O support PowerHA Service Packs - Software updates, new system and I/O support updates Fee-based support offering planned SP update for software, new HW&IO support Significant new functionality added 2008 2009 2010 2011 2012 2013 2014 2015 2016 PowerHA V5.5 * - Estimated since not currently announced 11/08 4/2012 EOS PowerHA V6.1 Std/Ent 10/09 4/2015 EOS 2017 2018 PowerHA V7.1 TL0 Std 9/10 * 9/2014 PowerHA V7.1 TL1 Std PowerHA V7.1 TL2 Std/Ent PowerHA V7.1 TL3 Std/Ent TBD 12/11 4/2015 11/12 4/2016 12/13 4/2017 V7.1 End of Service marker (without additional fees) * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 2019 PowerHA SystemMirror Life Cycle
  • 31. PowerHA SystemMirror V7: Resources Planning, Install, and Configuration Redbook (www.redbook.com) 1. IBM PowerHA SystemMirror 7.1.3 for AIX Reference Guide, SG24-8167-00 2. IBM PowerHA SystemMirror Standard Edition 7.1.1 for AIX Update, SG24-8030 3. IBM PowerHA SystemMirror 7.1.2 Enterprise Edition for AIX, SG24-8106-00 4. Exploiting IBM PowerHA SystemMirror V6.1 for AIX Enterprise Edition, SG24-7841 5. PowerHA for AIX Cookbook, SG24-7739-00 6. Deploying PowerHA Solution with AIX HyperSwap, REDP-4954-00 White Papers, FAQ, Knowledge Center 1. PowerHA v7 Rapid Deployment white paper: https://www.ibm.com/developerworks/aix/tutorials/au-ibm-powerha-system-mirror/ 2. PowerHA Home Page: www.ibm.com/systems/power/software/availability/ 3. PowerHA Product Documentation (Knowledge Center): http://www-01.ibm.com/support/knowledgecenter/SSPHQG_7.1.0/com.ibm.powerha.navigation/kc_welcome_ha_71.htm 4. PowerHA Wiki: https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/Power%20Systems/page/High%20Availability 5. PowerHA FAQ: http://www-03.ibm.com/systems/power/software/availability/aix/faq_support.html Education (www.ibm.com/services/learning) 1. What’s New in PowerHA SystemMirror 7 and Migration - Course code: AN65G 2. IBM PowerHA SystemMirror 7.1.2 for AIX Update - Course code: WRB82G 3. PowerHA 7 Planning, Implementing, Customizing and Administration -Course code: AN61G 4. PowerHA SystemMirror 6.1 Migration, Extended Configuration and PD - Course code: AN42G 5. PowerHA/XD: Extended Distance and Disaster Recovery - Course code: AN44G 6. PowerHA SystemMirror for AIX III: Virtualization and Mobility - Course code: AN43G 7. PowerHA SystemMirror 7.1 Planning and Implementation - Course code: AN67G 8. PowerHA 7 Additional Configurations - Course code: AN62G 9. PowerHA SystemMirror 7.1: Customization and Basic Administration - Course code: AN68G IBM Services Offerings 1. Availability Factory: Contact your IBM representative or an IBM Business Partner and they will contact us via e-mail (hacoc@us.ibm.com) to learn more. 2. IBM Technology Service Offering for PowerHA SystemMirror Multi Site deployment: http://www- 935.ibm.com/services/us/index.wss/offering/its/a1000032
  • 32. PowerHA SystemMirror V7: Resources…Continued IBM System Lab Services (LBS) Offerings Offering Duration Details PowerHA Deployment Services 2 to 8 days Review of customer requirements Plan and design PowerHA deployment Support deployment and document best practices PowerHA Health Check Week Review current HA deployment Review business processes Create guidance, recommendations report PowerHA and IBM Storage Planning/Implementation 4 days Education and hands-on activities Review HA and DR requirements Plan PowerHA and storage for the environment PowerHA Disaster Recovery Workshop 1 to 4 days Develop HA DR requirements by working closely with the on site customer reps. Assist in development of action plan and schedule Visit: ibm.com/systems/services/labservices Contacts: 1.Linda Hoben – Opportunity Manager hoben@us.ibm.com 1-720-395-0556 2.Stephen Brandenburg – Opportunity Manager sbranden@us.ibm.com 1-301-240-2182 3.Send mail to: stgls@us.ibm.com code
  • 33. PowerHA SystemMirror V7: Resources…Continued PowerHA SAP HA Management White papers and Redbooks 1. PowerHA - SAP HA management Chapter in IBM PowerHA SystemMirror 7.1.3 for AIX Reference Guide, SG24-8167-0 2. PowerHA-SAP LiveCache Hotstandby Solution Guide: http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP100677 3. LPM of LPARS running SAP: http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP101471 4. Tuning SAP with Oracle on AIX: http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP100377 Education and Service Offerings: Contact: isicc@de.ibm.com PowerHA SAP HA Management:: Plan, Deploy Smart Assist based NetWeaver, ERS deployment design and planning. SAP instances, databases including liveCache/MAXDB SAP liveCache HotStandby plan, Deploy PowerHA Smart Assist based liveCache Hotstandby solution design, and deployment Pre Sales Offering: PowerHA cluster HA management of SAP Education and assistance to plan for SAP solutions with PowerHA PowerHA HA management of Sybase Plan, deploy Sybase ASE HA management by PowerHA Clustering Duration: Depending on the ordered modules and amount of instances. Estimate will be provided upon request.
  • 34. © Copyright IBM Corporation 2014 PowerHA SystemMirror References • IBM PowerHA SystemMirror7.1.3 for AIX Best Practices & Reference Architectures SG24-8167-00 (Not available for download yet) • IBM PowerHA SystemMirror 7.1.2 Enterprise Edition for AIX - SG24-8106-00 http://www.redbooks.ibm.com/abstracts/sg248106.html?Open • Deploying PowerHA Solution with AIX HyperSwap - REDP-4954-00 http://www.redbooks.ibm.com/redpieces/abstracts/redp4954.html?Open • PowerHA SystemMirror for AIX Base Pubs http://publib.boulder.ibm.com/infocenter/aix/v7r1/index.jsp?topic= %2Fcom.ibm.aix.powerha.navigation%2Fpowerha_pdf.htm
  • 35. Additional Resources for PowerHA SystemMirror AIX • PowerHA Website – www.ibm.com/systems/power/software/availability/ • Availability Factory – Contact your IBM representative or an IBM Business Partner and they will contact us via e-mail (hacoc@us.ibm.com) to learn more. • IBM Technology Service Offering for PowerHA SystemMirror XD deployment – http://www-935.ibm.com/services/us/index.wss/offering/its/a1000032 • Redbooks – SG24-7841 IBM PowerHA Enterprise Edition Implementation Guide – SG24- 7845 IBM PowerHA V7.1 – IBM PowerHA SystemMirror7.1.3 for AIX Best Practices & Reference Architectures SG24-8167-00 (stay tuned…not available yet) – IBM PowerHA SystemMirror 7.1.2 Enterprise Edition for AIX - SG24-8106-00 http://www.redbooks.ibm.com/abstracts/sg248106.html?Open – Deploying PowerHA Solution with AIX HyperSwap - REDP-4954-00 http://www.redbooks.ibm.com/redpieces/abstracts/redp4954.html?Open – PowerHA SystemMirror for AIX Base Pubs http://publib.boulder.ibm.com/infocenter/aix/v7r1/index.jsp?topic= %2Fcom.ibm.aix.powerha.navigation%2Fpowerha_pdf.htm • Education: PowerHA for AIX Implementation, Config and Administration AN410 – Go to IBM.com/services/learning (search for AN410 or PowerHA) • Education: Lab Services AN44 Extended Distance and Disaster Recovery – http://www- 304.ibm.com/jct03001c/services/learning/ites.wss/us/en? pageType=course_list&subChapter=194&subChapterInd=S&region=us&subChapterName=AIX+high+availability&country=us – http://lpar.co.uk/HA/home.html • GLVM white paper – www.ibm.com/systems/resources/systems_p_os_aix_whitepapers_pdf_aix_glvm.pdf • IBM storage virtualization offerings – www.ibm.com/systems/storage/virtualization • SAP consulting services for POWERHA and POWERVM – gehenni@us.ibm.com – sbranden@us.ibm.com • Wiki – http://www.ibm.com/developerworks/wikis/display/WikiPtype/High%20Availability – https://w3-connections.ibm.com/wikis/home?lang=en-us#!/wiki/hacmp/page/PowerHA%20for%20AIX
  • 36. © Copyright IBM Corporation 2014 This document was developed for IBM offerings in the United States as of the date of publication. IBM may not make these offerings available in other countries, and the information is subject to change without notice. Consult your local IBM business contact for information on the IBM offerings available in your area. Information in this document concerning non-IBM products was obtained from the suppliers of these products or other public sources. Questions on the capabilities of non-IBM products should be addressed to the suppliers of those products. IBM may have patents or pending patent applications covering subject matter in this document. The furnishing of this document does not give you any license to these patents. Send license inquires, in writing, to IBM Director of Licensing, IBM Corporation, New Castle Drive, Armonk, NY 10504-1785 USA. All statements regarding IBM future direction and intent are subject to change or withdrawal without notice, and represent goals and objectives only. The information contained in this document has not been submitted to any formal IBM test and is provided "AS IS" with no warranties or guarantees either expressed or implied. All examples cited or described in this document are presented as illustrations of the manner in which some IBM products can be used and the results that may be achieved. Actual environmental costs and performance characteristics will vary depending on individual client configurations and conditions. IBM Global Financing offerings are provided through IBM Credit Corporation in the United States and other IBM subsidiaries and divisions worldwide to qualified commercial and government clients. Rates are based on a client's credit rating, financing terms, offering type, equipment type and options, and may vary by country. Other restrictions may apply. Rates and offerings are subject to change, extension or withdrawal without notice. IBM is not responsible for printing errors in this document that result in pricing or information inaccuracies. All prices shown are IBM's United States suggested list prices and are subject to change without notice; reseller prices may vary. IBM hardware products are manufactured from new parts, or new and serviceable used parts. Regardless, our warranty terms apply. Any performance data contained in this document was determined in a controlled environment. Actual results may vary significantly and are dependent on many factors including system hardware configuration and software design and configuration. Some measurements quoted in this document may have been made on development-level systems. There is no guarantee these measurements will be the same on generally- available systems. Some measurements quoted in this document may have been estimated through extrapolation. Users of this document should verify the applicable data for their specific environment. Revised September 26, 2006 Special notices
  • 37. © Copyright IBM Corporation 2014 IBM, the IBM logo, ibm.com AIX, AIX (logo), AIX 5L, AIX 6 (logo), AS/400, BladeCenter, Blue Gene, ClusterProven, DB2, ESCON, i5/OS, i5/OS (logo), IBM Business Partner (logo), IntelliStation, LoadLeveler, Lotus, Lotus Notes, Notes, Operating System/400, OS/400, PartnerLink, PartnerWorld, PowerPC, pSeries, Rational, RISC System/6000, RS/6000, THINK, Tivoli, Tivoli (logo), Tivoli Management Environment, WebSphere, xSeries, z/OS, zSeries, Active Memory, Balanced Warehouse, CacheFlow, Cool Blue, IBM Systems Director VMControl, pureScale, TurboCore, Chiphopper, Cloudscape, DB2 Universal Database, DS4000, DS6000, DS8000, EnergyScale, Enterprise Workload Manager, General Parallel File System, , GPFS, HACMP, HACMP/6000, HASM, IBM Systems Director Active Energy Manager, iSeries, Micro-Partitioning, POWER, PowerExecutive, PowerVM, PowerVM (logo), PowerHA, Power Architecture, Power Everywhere, Power Family, POWER Hypervisor, Power Systems, Power Systems (logo), Power Systems Software, Power Systems Software (logo), POWER2, POWER3, POWER4, POWER4+, POWER5, POWER5+, POWER6, POWER6+, POWER7, System i, System p, System p5, System Storage, System z, TME 10, Workload Partitions Manager and X-Architecture are trademarks or registered trademarks of International Business Machines Corporation in the United States, other countries, or both. If these and other IBM trademarked terms are marked on their first occurrence in this information with a trademark symbol (® or ™), these symbols indicate U.S. registered or common law trademarks owned by IBM at the time this information was published. Such trademarks may also be registered or common law trademarks in other countries. A full list of U.S. trademarks owned by IBM may be found at: http://www.ibm.com/legal/copytrade.shtml. Adobe, the Adobe logo, PostScript, and the PostScript logo are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States, and/or other countries. AltiVec is a trademark of Freescale Semiconductor, Inc. AMD Opteron is a trademark of Advanced Micro Devices, Inc. InfiniBand, InfiniBand Trade Association and the InfiniBand design marks are trademarks and/or service marks of the InfiniBand Trade Association. Intel, Intel logo, Intel Inside, Intel Inside logo, Intel Centrino, Intel Centrino logo, Celeron, Intel Xeon, Intel SpeedStep, Itanium, and Pentium are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. IT Infrastructure Library is a registered trademark of the Central Computer and Telecommunications Agency which is now part of the Office of Government Commerce. Java and all Java-based trademarks and logos are trademarks or registered trademarks of Oracle and/or its affiliates. Linear Tape-Open, LTO, the LTO Logo, Ultrium, and the Ultrium logo are trademarks of HP, IBM Corp. and Quantum in the U.S. and other countries. Linux is a registered trademark of Linus Torvalds in the United States, other countries or both. Microsoft, Windows and the Windows logo are registered trademarks of Microsoft Corporation in the United States, other countries or both. NetBench is a registered trademark of Ziff Davis Media in the United States, other countries or both. SPECint, SPECfp, SPECjbb, SPECweb, SPECjAppServer, SPEC OMP, SPECviewperf, SPECapc, SPEChpc, SPECjvm, SPECmail, SPECimap and SPECsfs are trademarks of the Standard Performance Evaluation Corp (SPEC). The Power Architecture and Power.org wordmarks and the Power and Power.org logos and related marks are trademarks and service marks licensed by Power.org. TPC-C and TPC-H are trademarks of the Transaction Performance Processing Council (TPPC). UNIX is a registered trademark of The Open Group in the United States, other countries or both. Revised December 2, 2010 Special notices (cont.)

Notes de l'éditeur

  1. Complete IBM Power Systems integrated end to end solutions for HA DR Focus: 24x 7 Application availability through planned or unplanned outage events Deeply integrated extension of host operating system (AIX, IBM i) Developed and supported by the Power Systems engineering development team HA Clustering technology Clustering provides the applications a complete resiliency infrastructure Cluster monitors and manages primary and secondary resources for HADR operations Storage based data resiliency Data resiliency is an extension of the host system storage management architecture Storage volumes are either switchable or mirrored between nodes in the cluster Hardware based replication services for Multi-Site Operations Host Based Replication (geomirroring for IBM i, or GLVM for AIX) Storage Base Replication (Metro Mirror or Global Mirror) Overall solution characteristic Automation, minimal IT operations involvement Data between primary and secondary nodes always in sync always ready for a failover event
  2. These are a couple of examples of PowerHA configurations. To help the IBM I client to grasp onto this concept you talk about the top configuration They have hard time trying to bridge from the remote journaling concept…your showing them…look…the basic building block of a PowerHA cluster does NOT include replication !! You have to try to get them off of the remote journal mind set and over onto the clustering mind set… For the AIX clients. the bottom picture is the idea we want them to consider… (as well the IBM I clients)..although IBM I clients are accustom to the idea of multi-site configurations they are not always grasping the ideas around Metro Mirror and Global Mirror
  3. This is an emerging trend and with the PowerHA V7.1.3 we have addressed the issues of automated failover between sites. You can expect that we will introduce some options that will allow you to conduct DR testing quickly and easily as well. At this stage there is no reason for our clients to be fearful of multi-site clustering..its up an running all over the world !
  4. Self explanatory chart. Basically pointing out the options for mutli-site replication for PowerHA AIX Enterprise Edition
  5. VSF – Veritas Storage Foundation = VVM (veritas volume manager) + VFS (veritas file system) CVM – cluser volume manager which is cluster wide VVM PowerHA Resource Management: IP address, application monitoring, Volumes, File systems, fastconnect, GPFS TSA Resource Management: IP address, application monitoring, TSA RSM – SRM storage resource manager
  6. Stretched Cluster is suitable for short distances (upto 100 kms) where disks can be shared between sites to be used as repository disks. You should always choose a stretch cluster if possible. It can provide three layers of heartbeat redundancy ; Comm, SAN, and repository disk. This virtually eliminates the possibility of a split site event.   PowerHA SystemMirror 7.1.3 uses the Cluster Aware AIX (CAA) services to configure, verify and monitor the cluster topology. This is a major reliability improvement because core functions of the cluster services such as topology related services now run in the kernel space. This makes it much less susceptible to be affected by the workload generated in the user space.
  7. 120-300KM equals ~ 74-186miles
  8. Per Storage ATS VDisk Mirroring should extend to 10KM with FC cable &amp; LW SFPs from node at one site to switch at other site.
  9. http://pic.dhe.ibm.com/infocenter/aix/v6r1/index.jsp?topic=/com.ibm.aix.baseadmn/doc/baseadmndita/devpathctrlmodatts.htm The following table displays the optimal settings to use for a HyperSwap configuration. Table 1. HyperSwap configuration settings NameComponentValueDescription dyntrkProtocol driver (fscsi)EnabledProvides transparent I/O recovery if the N_port ID for a device is changed. For example, due to movement of the Fibre Channel from one switch port to another port. This option is handled at the Host Bus Adapter (HBA) level. fc_err_recovProtocol driver (fscsi)fast_failAllows you to detect Fibre Channel problems between the switch and the storage device. hcheck_intervalDisk driver (hdisk)60The time interval when a health check request is sent to the storage device. The default setting is 60 seconds. rw_timeout 30 seconds (default and lowest for ds8k luns) timeout_policy fail_path (default)
  10. Description 1. 3 sites Site1 has 2 AIX nodes(RAC1 and RAC2), 1 DS8K Site2 has 2 AIX nodes(RAC3 and RAC4), 1 DS8K Site3 has one AIX node as NFS server 2. deploy 4 nodes RAC and 4 nodes PowerHA cluster, using Oracle ASM to manager hdisks 3. PowerHA cluster has one user MG, one repository MG, one concurrent RG which including the user MG. The user MG has several disks for database 4. Oracle CRS has 3 vote devics, one is from DS8K-1(marked Vote-1), one is from DS8K-2(marked Vote-2) and one is from NFS server(marked Vote-3) the LUN from DS8K-1 and DS8k-2 don&amp;apos;t need to configure PPRC function 5. there is 1 CAA repository disk, configure pprc pair and enable hyperswap function on AIX 6. there are several hdisks for loading Oracle database, configure pprc pairs and enable hyperswap fuction on AIX 7. the luns(act as vote devices, CAA repository disk and loading Oracle data) belong to different LSS
  11. DLPAR and Power Enterprise Pools are a way to significantly reduce the cost of implementing PowerHA clusters. In essence the PowerHA “talks to the HMC which then takes the action to activate the resources on the target, after a planned fallover has occurred the source is collapsed down to the number of cores prior to the role-over. Point is that you need to license all of the target cores on the secondary node. At present you will need either write scripts or work with lab services to automate this with PowerHA. We are looking to add this capability in a future TL.
  12. Similar to the previous example with the CBU on IBM i, this is a case of two 770s and PowerHA using DLPAR. In this case were using one core on each of the secondary nodes thereby saving our clients 8 AIX licenses and and 8 PowerHA licenses. The key to this from a compliance perspective is that at any moment we are using only the number of cores that we are entitled regardless of which of the boxes in the cluster on which we happen to be running.
  13. Notes: Instructor notes: Purpose — List the unit objectives Details — Additional information — Transition statement —