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WAFL inconsistency due to medium errors on X425_HCBEP1T2A10 NA02 drives

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Applies to

  • Drives X425_HCBEP1T2A10 running firmware NA02
  • WAFL user data inconsistency

Issue

  • Unrecovered medium errors on multiple disks
  • RAID has issues to reconstruct the stripe (triggered from the replaced and reconstructing disks)

[node-1: raidio_thread: raid_multierr_bad_block_1:error]: params: {'disk_rpm': '10000', 'vendor': 'NETAPP  ', 'firmware_revision': 'NA02', 'shelf': '8', 'disk_info': 'Disk /aggr1/plex0/rg1/0a.08.10 Shelf 8 Bay 10 [NETAPP   X425_STBTE1T2A10 NA02] S/N [S400N81D] UID [5000C500:8EEE68FF:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000]', 'volumeBno': '6821648768', 'site': 'Local', 'bay': '10', 'carrier': '', 'serialno': 'S400N81D', 'owner': '', 'model': 'X425_STBTE1T2A10', 'disk_type': '4', 'blockNum': '95604672'}

  • WAFL inconsistency errors reported

[node-1: wafl_exempt04: wafl.raid.incons.userdata:error]: WAFL inconsistent: inconsistent user data block at VBN 6821648817 (vvbn:1229547078 fbn:691408 level:0) in public inode (fileid:5488 snapid:0 file_type:1 disk_flags:0x8002 error:120 raid_set:1) in volume vol1@vserver:f6a2ca13-c7fa-11e4-b338-00a123456789.
[node-1: wafl_exempt04: wafl.incons.userdata.vol:alert]: WAFL inconsistent: volume vol1@vserver:f6a2ca13-c7fa-11e4-b338-00a123456789 has an inconsistent user data block. Note: Any new Snapshot copies might contain this inconsistency.

  • System has drives with over 6 years of operating life

 

 

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