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Changing the IP address of an iSCSI target used for the Storage Pool

Answered Changing the IP address of an iSCSI target used for the Storage Pool

  • יום רביעי 25 אפריל 2012 09:10
     
     
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    I have a <acronym title="Data Protection Manager">DPM</acronym> 2010 server setup with a storage pool consisting of 3 NASs (iSCSI over a dedicated 1Gbit Switch).

    I use the iSCSI Initiator build-in to Windows 2008 R2 to connect the server to them (there is a shared key which I have recorded).

    Eash NAS is 3.5TB and I have split each NAS into 2 LUNs (2GB and 1.5TB). <acronym title="Data Protection Manager">DPM</acronym> therefore sees 6 disks (3x2TB and 3x1.5TB).

    I need to change the IP of addresses of the 3 NAS boxes (QNAP). How can I do this to ensure that <acronym title="Data Protection Manager">DPM</acronym> will see them as the "same" disks and continue to use them (and the data on them) as the Storage Pool.

    I really want to avoid having to start again with the replicas.

    Any advice is appreciated.

    I am backing up to tape each day (D2D2T), so I won't lose everything if it all goes wrong, but getting the replicas re-done over a 100Mbit link is going to be a nightmare.

    Regards,

    Bruce.

     

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  • יום רביעי 25 אפריל 2012 19:18
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    Hi,

    DPM used the disk signature that Windows stamped on the disk when it was initialzed in Windows Disk management.  That disk signature should never change, so DPM will recognize it regardless of how it is presented to Windows.

    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.