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PANIC: WAFL hung due to bad disk in double degraded aggregate

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hw
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Applies to

  • ONTAP 9
  • FAS8040

Issue

  • A node panicked with the following message:

PANIC: WAFL hung for MEADA7DODCAF055_04_SAS_1. in SK process wafl_exempt05

  • Aggregate was double degraded
  • Medium errors reported on a drive still in the aggregate

1Jun2021 04:46:51 disk_ioMediumError diskName="0d.24.16" op="0x28:273c4608:0008" sector="658261512" senseInfo="SCSI:medium error" sCode="Unrecovered read error" disk_info="- If the disk is in a RAID group, the subsystem will attempt to reconstruct unreadable data" sense_key="0x3" sense_code="0x11" qualifier="0x0" fru_failed="0x2d" CTime="23148" disk_information="Disk 0d.24.16 Shelf 24 Bay 16 [NETAPP X423_HCOBE900A10 NA01] S/N [W8G3YTLX]"

1Jun2021 04:46:51 disk_IO_status deviceName="0d.24.16" ETime="23148" cdb="0x28:273c4608:0008" victimRetryCount="0" retryCount="3" timeoutRetryCount="0" pathRetryCount="3" adapterStatus="0x0" targetStatus="0x2" sSenseKey="SCSI:medium error" sSenseCode="Unrecovered read error" iSenseKey="0x3" iASC="0x11" iASCQ="0x0" pathsTried="1" basicTimeout="15" returnCode="5" disk_information="Disk 0d.24.16 Shelf 24 Bay 16 [NETAPP X423_HCOBE900A10 NA01] S/N [W8G3YTLX]"

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