'RAID DETECTED UNRECOVERABLE ERRORS' due to multiple failed disks
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 -rwe can see that we have double reconstruction and a pre-fail drive 
cluster::> node run -node Node-01 -command sysconfig -rRAID 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)