Partial Decomission of Commvault 11.0 Help

Last post 08-18-2019, 7:55 PM by jordanxu. 3 replies.
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  • Partial Decomission of Commvault 11.0 Help
    Posted: 08-14-2019, 9:22 AM

    I am looking to partially decomission my commvault environment and only keep the commcell, media agent attached to library and the library for restores. Is there a specific process I must follow?

    Up to recently the CV 11.0 environment was a live and DR Commcell, 4 Media Agents with one library attached to one media agent and several storage shelves but I have now past 28 days of last backup which is essentially all jobs on storage renered aged and I just want to be able to restore from the tapes holding monthly and yearly jobs.

    Any advice most welcome or is it just a case of removing the storage and media agents that I do not want?

    Am I oversimplyfying things!



  • Re: Partial Decomission of Commvault 11.0 Help
    Posted: 08-16-2019, 12:49 AM

    First rule of Commvault is "do not delete your client". If you delete your clients, the backups go as well (including extended / long term retention etc).


    Since you want to age out your disk libraries and not your tapes, assuming you will not be doing any further backups on the existing clients, you simply need to Deconfigure all your clients.


    Once clients are deconfigured, they will honour days only retention rather than cycles which means jobs on disk "Primary" copies will age out as the days pass irrespective of their cycles requirements. 


    Another method is to manually go through your disk Primary copies and delete the jobs from the job history.


    Once all jobs have aged out from your disk libraries, you can safely deconfigure the libraries in Commvault (which will prune out the data on them immediately as well).


    Do not deconfigure or delete your tape libraries, or delete the jobs on the tape storage policy copies. Let them gracefully age out over time based on their retention days (which I assume would be much longer than the disk ones).


    Obviously, you need to keep your Commserve around and possibly 1 MediaAgent for restore and data aging  purposes.


    Hope this helps explain things.

  • Re: Partial Decomission of Commvault 11.0 Help
    Posted: 08-16-2019, 4:50 AM

    Hi Journeyman

    Many thanks for the info. I presume ageing off the jobs on disk and then deconfiguring the media agents will not impact the tapes and the data on them. The single Library we have is connected to the one media agent so thats the only media agent I plan to keep along with the Commserver. I plan to remove all disk storage etc....

    I do have dedup databases on all the storage policy's but I think they only affect the Maglib data not the tapes? I did read I need to seal the dedupe DB's to remove the storage maglibs?


  • Re: Partial Decomission of Commvault 11.0 Help
    Posted: 08-18-2019, 7:55 PM

    Yes, you can delete and remove disk based jobs and libraries etc including deduplication stores. Unless you have SILO configured, you won't need the dedupe stores. 


    Just remember not to delete clients

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