Kvm forum 2013 - future integration points for oVirt storage

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What's new in oVirt 3.3 Storage? Storage directions Software Defined Storage Storage Offloading IO Performance Replication The future integration points for oVirt Storage Openstack DRDB Extending oVIrt API 3.4 & Beyond

Technologie Business

The future
integration points for

oVirt storage
Birds of a feather session
Sean Cohen, Ayal Baron
Red Hat
KVM Forum, October 2013
1

Agenda
●

What's new in oVirt 3.3 Storage?

●

Storage directions
●

●

Storage Offloading

●

IO Performance

●

●

Software Defined Storage

Replication

The future integration points for oVirt Storage
●

●

DRDB

●

●

Openstack
Extending oVIrt API

3.4 & Beyond
2

What's new in oVirt 3.3 Storage?
Business Continuity:
●

●

Backup and Restore API for Independent Software Ve
ndors
(3.3.2)
Manage Storage Connections (Multipath & DR)(3.3.1)

Disk Management:
●

Enable online virtual drive resize

●

Virtio-SCSI support

●

Disks Block Alignment scan

●

Disk Hooks (for disk hot-plug/unplug)

3

Storage directions
Software Defined Storage (SDS)
●

●

●

GlusterFS native storage domain in oVirt 3.3
Converged Storage Hypervisor (self hosted)

Storage Offloading:
●

LibStorageMgmt integration
●

Ability to plugin external storage array into
oVirt/VDSM virtualization stack, in a vendor
neutral way

●

Can provide Array Offload capabilities, such as
Snapshots/Clones, xCopy
4

Storage directions
LibStorageMgmt
Storage Offloading
●

●

Open source, vendor agnostic
library which provides an API
for managing external storage
arrays
Current array support (varying
levels of functionality)
●

●

Linux software target
SMI-I compliant arrays
(NetApp, EMC etc)

5

Storage directions
Storage Offloading:
●

OpenStack CInder integration
●

Storage offload by design

●

LibSM Driver

●

Existing Eco System

IO Performance:
●

On Hypervisors running multiple VMs all writes
end up Random
●

Bad for:
● SSD
● SMR
6

Storage Replication directions

●

Array Based
●

●

3.3 DR support via Manage Storage Connections

Distributed
●
●

Ceph

●
●

Gluster
DRBD

Hypervisor based
●

●

QEMU-KVM

Cinder?

7

Future integration points
●

OpenStack Storage stack integration
●

Glance - consumed in oVirt 3.3

●

Cinder
●
●

●

Consume
Provide

Extending oVirt API
●

oVirt third-party UI plug-in framework:
●

●

NetApp VCS 1.0 integration available for oVirt 3.2

oVirt Backup & Restore API next phases:
●

●

Leverage qemu-qa Microsoft Windows Volume
Shadow Copy Service (VSS)
Leverage qemu block layer Change Block Tracking
(CBT) to cover incremental backups.
8

3.4 & Beyond

●

Get rid of Storage Pool Manager

●

Proper iSCSI-multipathing

●

Single disk snapshots

●

Import existing storage domain

●

Read-only disks

●

Support VM Fleecing (qemu-kvm/Libvirt)

●

Snapshots Live Merge

9

THANK YOU !
http://www.ovirt.org
http://lists.ovirt.org/mailman/listinfo
vdsm-devel@lists.fedorahosted.org
engine-devel@ovirt.org
#ovirt irc.oftc.net
abaron@redhat.com
scohen@redhat.com
10

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With more memory available, system performance of three Dell devices increased, which can translate to a better user experience Conclusion When your system has plenty of RAM to meet your needs, you can efficiently access the applications and data you need to finish projects and to-do lists without sacrificing time and focus. Our test results show that with more memory available, three Dell PCs delivered better performance and took less time to complete the Procyon Office Productivity benchmark. These advantages translate to users being able to complete workflows more quickly and multitask more easily. Whether you need the mobility of the Latitude 5440, the creative capabilities of the Precision 3470, or the high performance of the OptiPlex Tower Plus 7010, configuring your system with more RAM can help keep processes running smoothly, enabling you to do more without compromising performance.

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Kvm forum 2013 - future integration points for oVirt storage

1. The future integration points for oVirt storage Birds of a feather session Sean Cohen, Ayal Baron Red Hat KVM Forum, October 2013 1

2. Agenda ● What's new in oVirt 3.3 Storage? ● Storage directions ● ● Storage Offloading ● IO Performance ● ● Software Defined Storage Replication The future integration points for oVirt Storage ● ● DRDB ● ● Openstack Extending oVIrt API 3.4 & Beyond 2

3. What's new in oVirt 3.3 Storage? Business Continuity: ● ● Backup and Restore API for Independent Software Ve ndors (3.3.2) Manage Storage Connections (Multipath & DR)(3.3.1) Disk Management: ● Enable online virtual drive resize ● Virtio-SCSI support ● Disks Block Alignment scan ● Disk Hooks (for disk hot-plug/unplug) 3

4. Storage directions Software Defined Storage (SDS) ● ● ● GlusterFS native storage domain in oVirt 3.3 Converged Storage Hypervisor (self hosted) Storage Offloading: ● LibStorageMgmt integration ● Ability to plugin external storage array into oVirt/VDSM virtualization stack, in a vendor neutral way ● Can provide Array Offload capabilities, such as Snapshots/Clones, xCopy 4

5. Storage directions LibStorageMgmt Storage Offloading ● ● Open source, vendor agnostic library which provides an API for managing external storage arrays Current array support (varying levels of functionality) ● ● Linux software target SMI-I compliant arrays (NetApp, EMC etc) 5

6. Storage directions Storage Offloading: ● OpenStack CInder integration ● Storage offload by design ● LibSM Driver ● Existing Eco System IO Performance: ● On Hypervisors running multiple VMs all writes end up Random ● Bad for: ● SSD ● SMR 6

7. Storage Replication directions ● Array Based ● ● 3.3 DR support via Manage Storage Connections Distributed ● ● Ceph ● ● Gluster DRBD Hypervisor based ● ● QEMU-KVM Cinder? 7

8. Future integration points ● OpenStack Storage stack integration ● Glance - consumed in oVirt 3.3 ● Cinder ● ● ● Consume Provide Extending oVirt API ● oVirt third-party UI plug-in framework: ● ● NetApp VCS 1.0 integration available for oVirt 3.2 oVirt Backup & Restore API next phases: ● ● Leverage qemu-qa Microsoft Windows Volume Shadow Copy Service (VSS) Leverage qemu block layer Change Block Tracking (CBT) to cover incremental backups. 8

9. 3.4 & Beyond ● Get rid of Storage Pool Manager ● Proper iSCSI-multipathing ● Single disk snapshots ● Import existing storage domain ● Read-only disks ● Support VM Fleecing (qemu-kvm/Libvirt) ● Snapshots Live Merge 9

10. THANK YOU ! http://www.ovirt.org http://lists.ovirt.org/mailman/listinfo vdsm-devel@lists.fedorahosted.org engine-devel@ovirt.org #ovirt irc.oftc.net abaron@redhat.com scohen@redhat.com 10

Kvm forum 2013 - future integration points for oVirt storage

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