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DPM and restore time - Solution?

Proposed DPM and restore time - Solution?

  • Friday, December 28, 2012 4:07 PM
     
     
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    I am considering moving away from a CDP solution to DPM. One of the advantages of the CDP solutions was the ability to map to the "backup" snapshot, decreases the time to recover.

    I do not belive DPM has that functionality. How are people getting arround the large restore times associated with moving large ammounts of data over the wire (ethernet)?

    Is DFS-R being utlitilzed to create a replica of data that is then protected via DPM?

    Thank you,

    tjcooper

     

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  • Friday, December 28, 2012 6:08 PM
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    Hi,

    DPM supports SAN based recoveries where we can make a hardware snapshot on the DPM server of the data to be recovered and mount those snapshots on the protected server then DPM will perform a Disk to Disk copy thereby eliminating the network.

    These blogs help describe the feature, you don't need to use custom volumes if you are only doing SAN based recoveries:

    http://blogs.technet.com/b/dpm/archive/2011/06/01/how-to-use-san-based-recovery-in-system-center-data-protection-manager-2010.aspx
    http://blogs.technet.com/b/dpm/archive/2011/01/05/how-to-use-san-recovery-option-and-mapping-data-source-volumes-to-windows-disks.aspx

    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT] This posting is provided "AS IS" with no warranties, and confers no rights.



     
  • Friday, December 28, 2012 6:50 PM
     
     
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    I think I will have to read up more on DPM and put one up in the test lab. I didnt plan to have my DPM server or storage on my SAN fabric. Additionaly, I am not getting a lot of information regarding 2012, retention policies, and disk space. I dont wan to use TAPES and I dont see why incremental VSS snapshots would take up very much space even if retained for 6 months, which I planned to do. I have no desire to go out and buy a tape library.

     
  • Friday, December 28, 2012 8:09 PM
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    Hi,

    Yes, setting it up in a test lab is a good idea, depending on the workloads you plan on backing up and how often you make a recovery point, you can get away with disk only backups for 6 months. For file server Volume and shares, VSS has a 64 snapshot limit, so one recovery a day for 64 days, or if you just want M-F that would 5 RP / week for ~12 weeks.  For application data, like SQl, Exchange, Hyper-V and Sharepoint, VSS supports 512 snapshots, so you can do the math.

    DPM 2012 Sp1 also allows you to backup to Azure for cloud based backups to provide an offsite solution, however at the moment it's limited to 120 days and only file server / Hyper-V / SQL backup to Azure at RTM time - will add other workloads later.

    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT] This posting is provided "AS IS" with no warranties, and confers no rights.