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  1. RHEL
  2. RHEL-63402

[rhel9.7] mdadm: bogus takeover message raid10 -> raid0

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    • rhel-9.7
    • rhel-9.6
    • mdadm
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    • rhel-sst-logical-storage
    • ssg_filesystems_storage_and_HA
    • 12
    • 14
    • 1
    • QE ack, Dev ack
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      What were you trying to do that didn't work?

      Takeover 4-legged raid10 with 2 near copies to raid0 during resynchronization

      What is the impact of this issue to you?

      Confusing message reported from "mdadm-G /dev/md0 -l0"

      Please provide the package NVR for which the bug is seen:

      How reproducible is this bug?:

      Always

      Steps to reproduce

      1. [root@rhel9-server ~]# cat /proc/mdstat
        Personalities : [raid10] 
        md0 : active raid10 sdh[7] sdg[6] sdf[5] sde[4] sdd[3] sdc[2] sdb[1] sda[0]
              3662848 blocks super 1.2 512K chunks 2 near-copies [8/8] [UUUUUUUU]
              [==========>..........]  reshape = 53.7% (1967680/3662848) finish=0.2min speed=109315K/sec
              
        unused devices: <none>
        [root@rhel9-server ~]# mdadm -G /dev/md0 -l0
        mdadm: /dev/md0 is performing resync/recovery and cannot be reshaped
      2.  
      3.  

      Expected results

      1. mdadm -G /dev/md0 -l0
        mdadm: /dev/md0 is performing resync/recovery and cannot be taken over

        Actual results

      See above "...be reshaped" message

              xni@redhat.com Xiao Ni
              rhn-engineering-heinzm Heinz Mauelshagen
              Nigel Croxon Nigel Croxon
              Fan Fan Fan Fan
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                Created:
                Updated: