dpm disk duplicates?

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• venerdì 4 maggio 2012 23:44

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  Hi,

  DPM will place the replica volume for a data source on one disk, and place the recovery point volume on a seperate disk for performance reasons.  The "protected data source on this disk" shown for each DPM disk does not differentiate between a replica volume and a recovery point volume, so that is why it is showing on both disks.  

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  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.

  • Proposto come risposta Mike JacquetMicrosoft Employee, Moderator venerdì 4 maggio 2012 23:44
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• lunedì 7 maggio 2012 17:05

   

   
  

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  ok, but if i calculate the volumes space(replica volume + RP volume) it is 1TB....

  and i have allocated 1.8TB

  how explain that?

  thankss

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• lunedì 7 maggio 2012 19:24

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  Hi,

  Please download and run this powershell script: http://blogs.technet.com/b/dpm/archive/2010/06/05/space-needed-to-migrate-a-disk.aspx

  It will shows for each datasource what disk # the replica and recovery point volumes are on.  In the output, just count the volumes that are physically located on that disk, so for migrating disk-1 - just count the volumes that are on that disk.   For Disk-2, just count the volumes that are on disk2.  If you don't do that, you will get double the space because the script is designed to show the disk space required to migrate to a new disk which always migrates both replica and RP volumes regardless of what disks they reside on.

  So in my example below, I would only count volumes with <count in front of it.

  PS C:\Program Files\Microsoft DPM\DPM\bin> space-needed-to-migrate-a-disk.PS1

  MigrateSpaceNeeded v1.5 evaluating 5 DPM disks...

   ==> Checking Datasources on Disk-1

   ==> to migrate Disk-1 you need 0.00 GB on the destination

   ==> Checking Datasources on Disk-2

        Computer\System Protection on computer MJLC-DC.nwtraders.com
           Replica volume Size  -    45.00 GB - Replica on Disk   5
           Recovery volume size -    36.56 GB - Recovey on Disk   2  <count

        N1-MB2 on computer MJLC-E14-1.nwtraders.com
           Replica volume Size  -    11.01 GB - Replica on Disk   3
           Recovery volume size -     3.62 GB - Recovey on Disk   2 <count
           Recovery volume size -     8.08 GB - Recovey on Disk   2 <count

  
  ==> Checking Datasources on Disk-3

        S:\Mountpoint on computer MJLC-DC.nwtaders.com
           Replica volume Size  -    10.00 GB - Replica on Disk   3 <count
           Replica volume Size  -     1.01 GB - Replica on Disk   3 <count
           Recovery volume size -     1.57 GB - Recovey on Disk   5
           Recovery volume size -    10.00 GB - Recovey on Disk   5

        MJLC-DPM02\MSDPM2010\DPMDB on computer MJLC-DPM02.nwtraders.com
           Replica volume Size  -    10.00 GB - Replica on Disk   3 <count
           Recovery volume size -    37.66 GB - Recovey on Disk   5

        N1-MB2 on computer MJLC-E14-1.nwtraders.com
           Replica volume Size  -    11.01 GB - Replica on Disk   3 <count
           Recovery volume size -     3.62 GB - Recovey on Disk   2
           Recovery volume size -     8.08 GB - Recovey on Disk   2

  etc etc.

  Those totals should be accurate for allocated disk space used by DPM.

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  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.

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• martedì 8 maggio 2012 14:40

   

   
  

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  thanks!!

  in disk 1 and in disk 2 i have the same information.... the same values... the same space allocated....

  it looks that they are duplicated!!!!

  what i have to do?

  thanks again

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• martedì 8 maggio 2012 16:23

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  Hi,

  We have NEVER seen that condition occur, please open a support case to investigate the issue.

  
  If you want to pursue this immediatly, you can visit the following web site to open a support incident. The charge to your CC will not be processed until your case is resolved and closed, if it's a code defect in the DPM then we wave all charges.

  Solution Center: System Center Data Protection Manager
                   http://support.microsoft.com/ph/9765#tab0

  http://support.microsoft.com/select/Default.aspx?target=assistance

  In the Quick product finder, enter: System Center Data Protection Manager 2010

  In the next screen, chose the option that applies.

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  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.

  • Contrassegnato come risposta Mike JacquetMicrosoft Employee, Moderator sabato 7 luglio 2012 14:20
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• martedì 8 maggio 2012 17:23

   

   
  

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  do you want i to post the images?
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