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E-Series controller is data assurance lockdown with 7-segment code 0E L4

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Applies to

  • SANtricity OS 11.90R4
  • NetApp EF600
  • Asynchronous mirroring

Issue

  • EF600 controller is in lockdown due to data assurance mismatch while alternate controller does not report any data assurance mismatch
  • No unreadable sectors logged in unreadable sectors log
  • Affected volume(s) is part of a mirror pair
  • System has resource provisioning enabled
  • SANtricity System Manager event log reports below events:

Read error occurred on primary asynchronous group member - Volume Volume_1

Data assurance mismatch detected - probable cause is cached data - Volume Volume_1  - ioType: SRC_OUT, hwPIStatus: TAG_AND_GUARD_ERROR, swPIStatus: REFTAG_ERROR, Host ID: 65535, LBA: 0x12345678
----> Expected Guard: 0x0000, AppTag: 0x0000, RefTag: 0x00000000
----> Found    Guard: 0x0000, AppTag: 0x0000, RefTag: 0x00000000
Destination driver error - Shelf Unknown
----> Fail Reason: Last Error, Edc: 0x2-0/0/0 - Channel 10
----> Error#1: Edc: 0x2-0/0/0, Ch:10, Next:Retry only on other ITNexus Error#2: Edc: 0x2-0/0/0, Ch:10, Next:Fail command;

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