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DISK SCRUB PARITY INCONSISTENCY on MetroCluster IP remote drives

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metrocluster
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Helpful 

Applies to

  • MetroCluster IP
  • ONTAP 9

Issue

  • An autosupport titled DISK SCRUB PARITY INCONSISTENCY is triggered
  • Error messages in the event logs state that write signature inconsistencies have been detected:

[ClusterB-N1: scsi_cmdblk_strthr_admin: scsi.cmd.checkCondition:error]: Disk device 0m.i2.1L121: Check Condition: CDB 0x28:966c9600:0200: Sense Data SCSI:recovered error -  (0x1 - 0xb 0x97 0x97)(93).
Fri Aug 06 02:52:39 +0000 [ClusterB-N1: disk_server_1: disk.ioRecoveredError.retry:info]: Recovered error on disk 0m.i2.1L121: op 0x28:966c9600:0200 sector 10 SCSI:recovered error - Disk used internal retry algorithm to obtain data (1 b 97 97) (94) Disk 0m.i2.1L121 Shelf 14 Drawer 3 Slot 9 Bay 33 [NETAPP   X377_HLBRE10TA07 NA01] S/N [] UID [5000CCA2:A23F774C:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000]

[ClusterB-N1: raidio_thread: raid_scrub_lw_id_inconsist_1:notice]: params: {'owner': '', 'rg': '/NodeB1_data_aggr01/plex1/rg0', 'more_stripes': '-1', 'stripe': '315462336'}
[ClusterB-N1: config_thread: raid.rg.scrub.summary.lw:notice]: Scrub found 64 RAID write signature inconsistencies in /Node1_data_aggr01/plex1/rg0.

[ClusterB-N1: config_thread: callhome.dsk.scrub.parity:alert]: Call home for DISK SCRUB PARITY INCONSISTENCY

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