Creating Secondary Copy

Last post 12-12-2018, 2:15 PM by SG1. 8 replies.
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  • Creating Secondary Copy
    Posted: 07-04-2018, 2:17 PM

    Hi All,

    We plan users backup in Local Disk in day time (Location where Low bandwidth) and want to move same in Cloud as a secondary copy.

    We have MA in Cloud with Global DDB and users backup happen there.

    In above scenario, How we can configure the secondary copy?

    Is there need to create separte Library/DDB or we can use same?

    Please suggest.

    Thanks,
    Kishan Pant

     

  • Re: Creating Secondary Copy
    Posted: 07-04-2018, 5:45 PM

    Hi Kishan

    Its really up to the needs and requirement of the organization. 

    The following option are available:

    Option 1 - At the moment since you have a Global DDB in the Cloud, you can create the Secondary Copy for your Local Storage Policy, and point it to the Cloud Global DDB, so you can take advantage of the Deduped Saving. (using the same DDB and Cloud Library)

    Option 2 - you can create new Cloud Library and Cloud DDB to manage the Secondary Copy.  (using the different DDB and different Cloud Library)

    Both options work, and it really comes down to which option is more suitable. 

    Hopefully that helps 

    Thank you 

    Winston 

  • Re: Creating Secondary Copy
    Posted: 07-05-2018, 2:15 PM

    Winston,

    Thanks for your response.

    I have one query, as you suggested two options.

    Can we create seaparte Library and DDB in same MA (Cloud)?

    If yes, Would it impact performance of MA Server?

    Note: Storage attached in Cloud MA as a Partition and we configured Disk Library.

    Please reply.

    Thanks,

    Kishan

  • Re: Creating Secondary Copy
    Posted: 07-05-2018, 7:03 PM

    Hi Kishanpant

    It is definitely possible to create a new Disk Library and DDB in the Cloud MA. 

    If you have concern about the performance, one important factor to consider is the hardware specification - http://documentation.commvault.com/commvault/v11/article?p=1647.htm

    For example, you can have multiple DDB and Disk Library connected to the same MediaAgent, but the MediaAgent needs to have the resources to manage it. 

    So the larger the environment the higher the specification is required for the MA (or else you will encounter problems).

    If you have separate Disk Library Mount Path and SSD for the DDB, the next consideration is whether you have enough memory to handle both the work load. 

    If you have any questions, engaging your Account Team to confirm what is technically achievable would be the recommended step. 

    Thank you 

    Winston

  • Re: Creating Secondary Copy
    Posted: 07-08-2018, 12:59 AM

    Now my all doubts clear.

    Thanks a lot Winston.

  • Re: Creating Secondary Copy
    Posted: 12-12-2018, 1:53 PM

    Hello Winston,

    While creating Secondary Copy for existing Primary copy uable to select existing DDB.

    We have local Media Agent configured with Global DDB and want to store secondary copy into another place but during creating secondary copy unable to select Global DDB created on local MA.

    Is there separate Global DDB required hosted into different MA or we can use same.

    Please suggest.

     

    Thanks,

    Kishan

  • Re: Creating Secondary Copy
    Posted: 12-12-2018, 2:02 PM

    Hi Kishan,

    Are you trying to assign the secondary copy the same Global DDB as the primary? If yes, this is not supported, the secondary must point to another DDB or Global DDB.

     

    https://documentation.commvault.com/commvault/v11/article?p=12464.htm

    No two storage policy copies in a storage policy can be associated with the same global deduplication policy.

  • Re: Creating Secondary Copy
    Posted: 12-12-2018, 2:10 PM

    Thanks for your response.

    Yes, I was trying same.

    So for Global DDB or DDB, we require separte MA or we can use existing one for same.

    What is best approach for retening Primary Copy as a Secondary Copy.

  • Re: Creating Secondary Copy
    Posted: 12-12-2018, 2:15 PM

    Generally speaking its best to divide your primary and secondary copies\ DDBs on to different resources and different storage devices. 

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