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author's profile photo Trond Stroemme
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Trond Stroemme

Upgrade miniWAS to 7.5/7.6

Posted on Dec 13, 2004 at 12:13 PM 15 Views

Hello,

is there anything preventing me from upgrading my 7.3.28 SAPDB (miniWAS 6.20) straight to MAXDB 7.5 or 7.6, instead of going via SAPDB 7.4?

Trond

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  • author's profile photo Stefan Seemann
    Stefan Seemann
    Posted on Dec 13, 2004 at 07:30 PM
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    Hello,

    no, you can upgrade directly to MaxDB 7.5

    The minimum version is 7.3.0 Build 25

    More information about the upgrade can be found here:

    http://service.sap.com/instguides -> Installation & Upgrade Guides -> Other Documentation -> Database Upgrades -> MySQL MaxDB

    Please read carefully before you start.

    MaxDB 7.6 is not yet released.

    Best regards, Stefan

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    • Trond Stroemme
      Dec 14, 2004 at 12:13 PM

      Hi,

      shortly after starting SDBUPD, it terminates with error -909 "mirrored devspaces impossible". It further seems I cannot change the related parameter (mirrored devspaces - Y/N) in the DB Manager; it's "read-only". The termination of SDBUPD happens after a call to x_diag.exe.

      Now what? I've searched the mySQL forums but no solution to this...

      Trond

  • author's profile photo Stefan Seemann
    Stefan Seemann
    Posted on Dec 14, 2004 at 09:58 PM
    0

    Hello,

    the error occurs while sdbupd runs this command:

    dbmcli -d <DB> -u control,control -uUTL control,control db_restartinfo

    The error should also occur when you run this command on the command line.

    The error can happen when once the database ran in LOGMODE Dual and one of the Logvolumes were set to bad without reintegrating it. Then when the logmode is set to single the entry for the bad logvolume is not set back. This is why the error occurs.

    To get rid this you can set logmode back to dual with DBMGUI -> Configuration -> Log settings.

    Then the logdevspace automatically gets reintegrated.

    Then start sdbupd again.

    When the database becomes WARM you have to run a new backup in cold mode before you can restart sdbupd.

    Best regards, Stefan

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