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Thread: Volume replication: constant load on drives

  1. #1
    Join Date
    Nov 2008
    Location
    Hamburg, Germany
    Posts
    102

    Default Volume replication: constant load on drives

    Hi all,

    I have been playing around with the volume replication feature and impacts the performance significantly.

    Now, I have swapped out a fairly old server and swapped in a quite new one, to make sure that have hte fasted speeds possible to and from my RAID systems. Both Open-E boxes achieve 110 MB/sec to and from the RAIDs.

    Then I started the replciation job and after the initial replication had been finished, both RAIDs still show quite a huge amount of "traffic". The source volume shows consistent reads of 40 MB/sec. constantly, even when no iSCSI initiator is connected to that volume.

    The destination volume in turn shows a consistent transfer of 25 MB/sec all the time.

    Is volume replicaiton really meant to work this way? I though that the Open-E box would only transfer the blocks that have been changed.

    Cheers,
    budy
    There's no OS like OS X!

  2. #2

    Default

    Dear Budy,

    What release you are using, the latest? If not, please update your system to the latest version.
    http://www.open-e.com/account/products-and-updates/

    regards,
    SJ

  3. #3
    Join Date
    Nov 2008
    Location
    Hamburg, Germany
    Posts
    102

    Default

    Hi SJ,

    right now, I am using the demo cd to evaluate Open-E. I have searched the forums a bit and it seems that there is to a new demo cd scheduled to be released next monday.

    Maybe, I will get better results with the new version, as it seems that the current demo cd is quite outdated.

    But what I gather from your question is, that this is not the way its meant to be, so that's at least good news.

    Cheers,
    budy
    There's no OS like OS X!

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