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Persistent SCSI Recovered Errors on multiple drives

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ontap-9
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hw
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Applies to

  • ONTAP 9
  • AFF/FAS platforms 
  • Drives 

Issue

  • Multiple recovery errors on multiple disks along with shelf warnings reported across several shelves and nodes

[?]  Thu Apr 02 08:17:58 +0200 [Node-01: disk_server_0: disk.ioRecoveredError.retry:info]: Recovered error on disk xxxx:10.126L91: op 0x28:00000008:0008 sector 1 SCSI:recovered error - Disk used internal retry algorithm to obtain data (1 b 96 96) (19) Disk netappFC100:10.126L91 Shelf 2 Drawer 3 Slot 4 Bay 28 [NETAPP   X376_HLBRE08TA07 NA03] S/N [7SGR94NC] UID [5000CCA2:52288A0C:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000]

[?]  Wed Feb 18 00:15:56 +0100 [Node-02: disk_server_0: disk.ioRecoveredError.retry:info]: Recovered error on disk xxxx:10.126L109: op 0x2a:5f265400:0200 sector 8 SCSI:recovered error - Disk used internal retry algorithm to obtain data (1 b 97 97) (45) Disk netappFC100:10.126L109 Shelf 2 Drawer 4 Slot 10 Bay 46 [NETAPP   X376_HLBRE08TA07 NA03] S/N [7SGTZ45C] UID [5000CCA2:522D681C:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000]

[Node-02:statd:monitor.shelf.warning:error]: Fault reported on disk storage shelf attached to channel xxxx:14. Check fans, power supplies, disks, and temperature sensors.

  • Errors are informational/recovered, not immediate hardware failures
  • Disks have high power-on hours (POH), many exceeding 8 years of service
  • All shelves have the latest IOM firmware

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