Storage is the next natural thing in the software stack that needs to go multi-tenant. This presentation introduces multi-tenancy evolution as it happens and describes the high level requirements for a multi-tenant storage. CloudByte develops storage that is QoS aware and completely multi-tenant.

1. Multi – Tenancy Challenges in Storage
Umasankar Mukkara
VP 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
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3. The Stack
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4. The Multi-Tenancy Journey
The first to multi-tenant
is the
Application layer
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5. The Multi-Tenancy Journey
The first to multi-tenant
is the
Application layer
Feb 05, 2013

6. The Multi-Tenancy Journey
Application Multi-Tenancy
is now known as
?
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7. The Multi-Tenancy Journey
Application Multi-Tenancy
is now known as
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8. The Multi-Tenancy Journey
SaaS examples
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9. The Multi-Tenancy Journey
The second to multi-tenant
is the
Network layer
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10. The Multi-Tenancy Journey
The second to multi-tenant
is the
Network layer
VLAN
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11. The Multi-Tenancy Journey
The Big Bang
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12. The Multi-Tenancy Journey
The server virtualization
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13. The Multi-Tenancy Journey
The next big thing in multi-tenancy revolution is the
Storage
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14. The Multi-Tenancy Journey
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15. The Multi-Tenancy Current Stack
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16. Why storage is not shared among multiple apps ?
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17. 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
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18. Storage is not shared at a Datacenter
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19. Requirements of Multi-Tenant Storage
MicroSoft
Video Streaming Database
Exchange
Multi-Tenant
Storage
Feb 05, 2013

20. Requirements of Multi-Tenant Storage
App1 App2 App3
Multi- Security &Isolation
Tenant
Storage
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21. Requirements of Multi-Tenant Storage
2000
trans/sec 1MB/Sec 3MB/Sec
App1 App2 App3 Performance
2MB/sec Guarantee
5000 IOPs
Multi-
Tenant 3000 IOPs
- IOPS
Storage + <4ms
latency - Throughput
- Latency
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22. Requirements of Multi-Tenant Storage
App1 App2 App3 Backup and storage
management control
Multi-
Tenant
Storage
Every Synchronous Backup
Every Minute
Hour
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23. Requirements of Multi-Tenant Storage
App1 App2 App3 Delegated
Management
Multi- (provision + monitor)
Tenant
Storage
Account
Admin
Super
Admin
Site
Admin
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24. Multi-Tenant Storage at a Datacenter
Server Farm
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Storage Farm
CloudByte ElastiStor Cluster (With Multi-Tenant Storage)
Feb 05, 2013

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