Mailinglist Archive: opensuse-bugs (8045 mails)

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https://bugzilla.novell.com/show_bug.cgi?id=230733

           Summary: raid md devices may get different minor numbers under
                    10.2
           Product: openSUSE 10.2
           Version: Final
          Platform: i586
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Basesystem
        AssignedTo: bnc-team-screening@xxxxxxxxxxxxxxxxxxxxxx
        ReportedBy: walter.haidinger@xxxxxx
         QAContact: qa@xxxxxxx


Under 10.2 (rescue system too) some of my md devies were assigned
different minor numbers than under 10.1 and earlier despite configured
in /etc/mdadm.conf.

It seems that the minor number stored in the md superblock is preferred now
(use mdadm --misc --detail /dev/mdX to list it).

The fix is to stop the array and assemble it manually once with
updating the super-block with '--update=super-minor'. See mdadm(8) for details.

e.g.: Update a raid-1 mirror /dev/md5 of hda[ac]5 and set the
      preferred minor to 5:
# mdadm --manage --stop /dev/md5
# mdadm --assemble /dev/md5 --update=super-minor /dev/hda5 /dev/hdc5

Yes, this may not be really a bug and is perhaps not a SuSE bug either (maybe
because of new kernel 2.6.18?) but I think it is worth a note and this entry
may help someone resolving the problem.


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