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Bad SIS metafile block triggers WAFL inconsistency alert

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Applies to

  • ONTAP Select
  • Storage efficiency
  • WAFL inconsistency

Issue

Snapvault destination volume has encountered a bad SIS metafile block. Volume is not marked as inconsistent and remains online.
 
EMS log:
 
Sat Oct 30 22:42:01 +0200 [Node01: wafl_exempt00: wafl.raid.incons.buf:error]: WAFL inconsistent: bad block at VBN 1174644624 (vvbn:156351629 fbn:4734 level:0) in private inode (fileid:505 snapid:0 fixable:0 file_type:1 disk_flags:0x4002 error:120 raid_set:1) in volume vol1@vserver:47f8a5ad-cc99-11e8-b519-00a0b8bae9c3.
Sat Oct 30 22:42:01 +0200 [Node01: wafl_exempt00: callhome.wafl.inconsistent.block:alert]: Call home for WAFL INCONSISTENT BLOCK
 
SIS log:

Sat Oct 30 22:40:37 CEST 2021 [Vserver UUID: 47f8a5ad-cc99-11e8-b519-00a0b8bae9c3] /vol/vol1 [sid: 0] Info (sis start vault)
Sat Oct 30 22:40:38 CEST 2021 [Vserver UUID: 47f8a5ad-cc99-11e8-b519-00a0b8bae9c3] /vol/vol1 [sid: 1635626438] Begin (sis start)
Sat Oct 30 22:40:39 CEST 2021 [Vserver UUID: 47f8a5ad-cc99-11e8-b519-00a0b8bae9c3] /vol/vol1 [sid: 1635626438] Processing transfer data logs (1584953 log entries)
Sat Oct 30 22:41:04 CEST 2021 [Vserver UUID: 47f8a5ad-cc99-11e8-b519-00a0b8bae9c3] /vol/vol1 [sid: 1635626438] Generating transfer change logs (2076295 log entries)
Sat Oct 30 22:42:03 CEST 2021 [Vserver UUID: 47f8a5ad-cc99-11e8-b519-00a0b8bae9c3] /vol/vol1 [sid: 0] Warning (Deleted datalog.next file)
Sat Oct 30 22:42:03 CEST 2021 [Vserver UUID: 47f8a5ad-cc99-11e8-b519-00a0b8bae9c3] /vol/vol1 [sid: 1635626438] Stats (blks gathered 0,finger prints sorted 910123,dups found 0,new dups found 0,blks deduped 0,finger prints checked 0,finger prints deleted 0)
Sat Oct 30 22:42:03 CEST 2021 [Vserver UUID: 47f8a5ad-cc99-11e8-b519-00a0b8bae9c3] /vol/vol1 [sid: 0] Error (Bad SIS metafile block encountered )

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