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sparky_john's avatar
sparky_john
Aspirant
Mar 13, 2018
Solved

Disk shows Dead. Volume shows fine.

I have X-Raid with dual redundancy configured.  A disk failed on me and I went to pull out the bad drive.  Stupid me for not checking, but I pulled out disk 6 when disk 4 was the dead drive.  I was now inserted the new drive in disk 4's slot and crossed my fingers during the rebuild.  It went fine and now showed the volume as degraded but redudant.  I removed disk 6 again and replaced it.  It went throught disk testing and passed.  It took maybe 15 hours for it to resync and appeared to end successfully.  The volume shows as being green and being redudant.  However the disk still shows as being dead.

 

So do i replace disk 6?

 

 

  • mdgm-ntgr's avatar
    mdgm-ntgr
    Mar 20, 2018

    There's no important data on the swap partition. That's just used for temporarily storing what's normally stored in RAM if the RAM doesn't have sufficient space.

     

    So you can safely do what the error message suggested:

    # mdadm --zero-superblock /dev/sdf2

    then

    # mdadm --manage /dev/md1 --add /dev/sdf2

    If sdf2 is marked as a spare in md1 (you can tell this by checking the output of # cat /proc /mdstat ) you can force it to be used properly by doing e.g.

    # mdadm --grow /dev/md1 -n6

18 Replies

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  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired

    Have you tried clearing your web browser cache, closing your web browser and reopening Frontview?

     

    Have you rebooted your system?

    • sparky_john's avatar
      sparky_john
      Aspirant

      Yes.  I have tried different web browsers, computers, etc.  Doesn't appear to be a cache issue.

       

      I have restarted the system twice and still has the same status.

      • StephenB's avatar
        StephenB
        Guru - Experienced User

        Do you have a backup of the data?

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