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'RAID DETECTED UNRECOVERABLE ERRORS' due to multiple failed disks

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Category:
fas-systems
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hw
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Applies to

  • FAS Systems
  • ONTAP 9

Issue

  • Due to multiple failed or pre-failed disks in the same raidgroup, ONTAP generates the following alert
HA Group Notification (RAID DETECTED UNRECOVERABLE ERRORS) CRITCAL
[Cluster1: config_thread: callhome.raid.no.recover:EMERGENCY]: Call home for RAID DETECTED UNRECOVERABLE ERRORS
  • In sysconfig -r we can see that we have double reconstruction and a pre-fail drive
cluster::> node run -node Node-01 -command sysconfig -r
 
RAID group /Aggr_1/plex0/rg2 (double reconstruction 0% completed, block checksums)

RAID Disk    Device      HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
---------    ------      ------------- ---- ---- ---- ----- --------------    --------------
dparity     0b.12.12    0b    12  12  SA:A   0   SAS 15000 560000/1146880000 560208/1147307688
data        0b.12.19    0b    12  19  SA:A   0   SAS 15000 560000/1146880000 560208/1147307688 (reconstruction 1% completed)
data        0b.13.8     0b    13  8   SA:A   0   SAS 15000 560000/1146880000 560208/1147307688 (reconstruction 0% completed)
data        0b.12.16    0b    12  16  SA:A   0   SAS 15000 560000/1146880000 560208/1147307688 (prefail)
 

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