'RAID DETECTED UNRECOVERABLE ERRORS' due to multiple failed disks

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Category:: fas-systems

Specialty:: hw

Last Updated:

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)