1. Multi–Tenancy Challenges in Storage
Umasankar Mukkara
Founder and VP of Engineering
CloudByte Inc.
Feb 05, 2013

2. Agenda
1. Multi-Tenancy Evolution
2. Current Status of Storage
3. Requirements of Multi-Tenant Storage
4. CloudStack Roadmap in this storage revolution
Feb 05, 2013

3. The Stack
Feb 05, 2013

4. The Multi-Tenancy Journey
The first to multi-tenant
is the
Application layer
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5. The Multi-Tenancy Journey
Application Multi-Tenancy
is now known as
?
Feb 05, 2013

6. The Multi-Tenancy Journey
Application Multi-Tenancy
is now known as
Feb 05, 2013

7. The Multi-Tenancy Journey
SaaS examples
Feb 05, 2013

8. The Multi-Tenancy Journey
The second to multi-tenant
is the
Network layer
Feb 05, 2013

9. The Multi-Tenancy Journey
The second to multi-tenant
is the
Network layer
VLAN
Feb 05, 2013

10. The Multi-Tenancy Journey
The Big Bang
Feb 05, 2013

11. The Multi-Tenancy Journey
The Server Virtualization
Feb 05, 2013

12. The Multi-Tenancy Journey
The next big thing in multi-tenancy revolution is
Storage
Feb 05, 2013

13. The Multi-Tenancy Journey
Feb 05, 2013

14. The Multi-Tenancy Current Stack
Feb 05, 2013

15. Why is storage not shared among multiple apps ?
Feb 05, 2013

16. Why storage is not shared among multiple apps ?
Every application requires dedicated physical storage, resulting in storage fragmentation
MicroSoft
Video Streaming Database
Exchange
Storage Array Storage Array Storage Array
Tailored for Tailored for Tailored for
Exchange Streaming Database
workload workload workload
Technology limitation: Storage endpoints can only be defined in terms of capacity.
So, legacy solutions need dedicated physical storage to meet an application’s performance demands
Feb 05, 2013

17. Storage is not shared at a Datacenter
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Feb 05, 2013

18. Requirements of Multi-Tenant Storage
MicroSoft
Video Streaming Database
Exchange
Multi-Tenant
Storage
Feb 05, 2013

19. Requirements of Multi-Tenant Storage
App1 App2 App3
Multi- Security &Isolation
Tenant
Storage
Feb 05, 2013

20. Requirements of Multi-Tenant Storage
2000
trans/sec 1MB/Sec 3MB/Sec
App1 App2 App3 Performance
2MB/sec Guarantee
5000 IOPs
Multi-
Tenant
Storage
3000 IOPs
+ <4ms - IOPS
latency
- Throughput
- Latency
Feb 05, 2013

21. Requirements of Multi-Tenant Storage
App1 App2 App3 Backup and storage
management control
Multi-
Tenant
Storage
Every Synchronous Backup
Every Minute
Hour
Feb 05, 2013

22. Requirements of Multi-Tenant Storage
App1 App2 App3 Delegated
Management
Multi- (provision + monitor)
Tenant
Storage
Account
Admin
Super
Admin
Site
Admin
Feb 05, 2013

23. Multi-Tenant Storage at a Datacenter
Server Farm
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Storage Farm
CloudByte ElastiStor Cluster (With Multi-Tenant Storage)
Feb 05, 2013

24. A Glimpse of Multi-Tenant Storage
Feb 05, 2013

25. Storage multi-tenancy in CloudStack
Source : https://cwiki.apache.org/confluence/display/CLOUDSTACK/Storage+subsystem+2.0#Storagesubsystem2.0-Datamodel%3A
Feb 05, 2013