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E-Series ancient IO controller reboot during write operation to a volume

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Applies to

  • NetApp E-Series
  • SANtricity OS 11.60.2 or later 11.60.x and 11.70.x (pre-1.70.1)

Issue

  • E-Series controller resets unexpedetely. The parsed event in the MAJOR-EVENT-LOG of E-Series support bundle indicated the reboot reason is due to ANCIENT_IO:
B:10/23/20, 8:43:17 AM (08:43:17) 93386 4010 Controller reset - Shelf 1, Bay B
----> Reboot Reason : SCSI: REBOOT_ON_ANCIENT_IO
  • Due to the unexpected controller reboot, a core dump is captured from the controller. The following signature can be found in the excLogShow command output and in the STATE-CAPTURE-DATA log file:

-- Log Entry #5 (Core 0) Jan-25-2021 09:19:30 AM ----
Reboot due to ancient IO, scsiOp=0x103265480 poolId=1 opCode=8a
 age=300000ms
2021-01-25 14:08:46.129106
rebootReason 0x429c002, rebootReasonExtra 0x0

 

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