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DDB - Cluster Windows - Doubts


Fernando Souza
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Hello,

I have a doubt in setting up DDB Creation in awindows cluster environment.2 physical servers with installed media agent and a virtual storage (starwind)1) can the DDB be on the storage shared by the nodes of the cluster?2) Can I use only 1 DDB for all nodes (MA) or should I have a DDB for each MA?

 

Best answer by ThomasG

Hello Fernando,

Please have a look at Deduplication Building Block Guide (commvault.com)

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6 replies

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  • Vaulter
  • 4 replies
  • March 22, 2021

Hi Fernando,

 

Yes you can use only 1 DDB by placing it on the storage Shared.

 

Thanks,

 

Suseela


Fernando Souza
Byte
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hello @Ssripada 

Can you send the link where do you find this information?

Thanks


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  • Byte
  • 50 replies
  • March 23, 2021

Hello Fernando,

I would prefer to use 2 DDB partitions, one on each MA with SSD (not shared!) for each DDB


Fernando Souza
Byte
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@ThomasG 

I need the best practices for this case. 

what is the best solution, indicated by commvault?


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  • Byte
  • 50 replies
  • Answer
  • March 23, 2021

Hello Fernando,

Please have a look at Deduplication Building Block Guide (commvault.com)


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  • Vaulter
  • 227 replies
  • March 25, 2021

Best practice is to place the DDB in dedicated local disk.

When you use two cluster nodes: node1 and node2 with MA component on them, then you need to assign the DDB or ddb partition location on the local disk. However if you are planning to use a clustered Media Agent, then the DDB should be located in disk cluster resource for the clustered media Agent not for the physical nodes that are also Media Agents. However a disk cluster resource is not dedicated disk as it is located in storage array.

 


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