Demote a Primary Volume to Secondary?
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Thread: Demote a Primary Volume to Secondary?

  1. #1
    Active Member
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    Jul 2015
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    13

    Demote a Primary Volume to Secondary?

    Hi All,

    I'm getting ready to build a new server and plan on migrating incrementally using ZX Backup. I would like to have a smaller Primary volume and a larger Secondary volume. I understand that I can implement HSM policy to be done during the import, but I'm sure this will add to the time required to import everything to the new destination server. Since I'd like to make the move as soon as possible, I was wondering if there is a way to "demote" a Primary volume to a Secondary volume?

    If so, That way I could set my large volume to be Primary, without a Secondary, and import everything to that volume. Once everything is running fine, then I'd like to put the smaller volume as the active Primary volume so it would start receiving new messages. At that point, I'd like to shift the large volume to Secondary duty. It would already have all of the "older" messages on it.

    But I'm not sure if it's possible to remove the large volume from the list of Primary volumes and add it to the list of Secondary volumes. Also, what will happen to all the user's messages if/when I remove the large volume from being Primary until it becomes active as secondary?

    Maybe I'm doing this all wrong. I'm open to any suggestions about the best way to migrate 400GB of mail to a new server that would hopefully end up with a 30GB Primary volume and an 800GB Secondary volume.

    Thanks!

  2. #2
    CTO ZeXtras Employee d0s0n's Avatar
    Join Date
    Apr 2011
    Posts
    569
    Hi bhotrock,

    Sure, you are doing right! You can add a new larger volume as Primary Volume (and call it HSM1 for example), then you can set it as "active" and "compressed" while the default message1 don't receive new messages. After the import you can just set the message1 volume as "active" and you can set the other larger volume as "Secondary Volume" directly without removing it (it isn't possible to remove a used volume but you can move a not-active volume with a little arrow between the 2 volume lists in the zxpowerstore module).

    Have a nice migration!
    D0s0n.
    ZeXtras Website # ZeXtras Wiki # ZeXtras Store

    Head of ZeXtras System Administrators

  3. #3
    Active Member
    Join Date
    Jul 2015
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    13
    Thanks D0s0n!
    d0s0n likes this.

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