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Disk reconstruction does not start despite replacing the faulty drive

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Category:
ontap-9
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HW
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Applies to

  • ONTAP 9
  • FAS
  • AFF

Issue

  • After a failure, a disk is replaced.
  • Post replacement, the raid group remains in a degraded state and the disk reconstruction does not start.

::> node run -node <node> -command sysconfig -r

RAID group /aggr1/plex0/rg1 (degraded, block checksums)

     RAID Disk Device   HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
     --------- ------   ------------- ---- ---- ---- ----- --------------    --------------
     dparity  0d.00.23P1 0d    0   23  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     parity   0d.00.14P1 0d    0   14  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0d.00.15P1 0d    0   15  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0d.00.16P1 0d    0   16  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0d.00.17P1 0d    0   17  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0d.00.18P1 0d    0   18  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0d.00.19P1 0d    0   19  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0d.00.20P1 0d    0   20  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0d.00.21P1 0d    0   21  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0d.00.22P1 0d    0   22  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0d.00.13P1 0d    0   13  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0d.00.12P1 0d    0   12  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0a.02.17P1 0a    2   17  SA:B   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0a.02.18P1 0a    2   18  SA:B   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data FAILED    N/A                        1689530/ -
     data     0a.02.20P1 0a    2   20  SA:B   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)
     data     0a.02.21P1 0a    2   21  SA:B   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)

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