3 MediaAgents x 1 CIFS share

Last post 03-31-2020, 8:58 PM by Wwong. 2 replies.
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  • 3 MediaAgents x 1 CIFS share
    Posted: 03-30-2020, 5:18 PM
    I'm very new to commvault and need some advice about a config.
    We have 3 Media Agents (Windows 2016) and one big 600TB CIFS SHARE on a huawei oceanstor 5500.
    The librarie-mount path is configured on MediaAgent 01, and we added MA 02 and MA 03 in SHARING tab.

    Is this config ok? What are the best practices?
    Maybe we should split this share into small shares and distribute to 3 MA ? I dont know.
    Whats the best way to configure this?
  • Re: 3 MediaAgents x 1 CIFS share
    Posted: 03-31-2020, 5:35 AM

    Hi JRoss7,

    If you are new to Commvault I'd recommend to have a look at some of the excellent educational videos found in this link https://commvaultondemand.atlassian.net/wiki/spaces/ODLL/pages/31293541/Core+Components and when you get a bit more comfortable this page has great information about Commvault Deduplication https://commvaultondemand.atlassian.net/wiki/spaces/ODLL/pages/22052865/Deduplication+Expert+Session+Videos.  When you get to the Partitioned Deduplication Database video it talks about why the NAS CIFS configuration is is a good choice in a large deduplicated storage environment, and (that unless you are experiencing problems) why it is likely that your environment is fine.

  • Re: 3 MediaAgents x 1 CIFS share
    Posted: 03-31-2020, 8:58 PM

    Hi JRoss7 

    Commvault by design is meant to be hardware agnostic and can be configured however you like. 

    In terms of creating a single 600TB share is this a recommended approach by Huawei?

    Although a single Share can be shared with all MediaAgent using SMB, it is still a single point of failure, so if you lose this share you will lose all access to backup and restore. 

    Splititng the Volume into smaller share will help, but please bare in mind if you do split into smaller share and you are utilzing Commvault Deduplication and any one of the share is offline, restore might be impacted as the referenced blocks might reside on the volume.

    However for backups, when a single Mount Path is offline, MediaAgent will detect this and will attempt to re-write new baseline data to other Mount Path that are still available. So what that means is backup moving forward (when one Mount Path is offline) will still work, but historical backups might not be restorable until you bring the Mount Path back online 

    Feel free to reach out if you have any question 



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