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スペアがないことと、アグリゲートがデグレード状態になって長時間にわたることが原因でWAFL の不整合が発生します

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aff-series<a>2009341940</a>
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hw
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環境

  • AFF/FASシステム
  • ONTAP 9

問題

EMS ログ:

  • 十分なスペアディスクがすべて使用されており、スペア不足が報告されています

Sat Mar 12 05:17:26 +0200 [node_2: config_thread: raid.rg.spares.low:error]: /aggr2_2/plex0/rg0
Sat Mar 12 05:17:26 +0200 [node_2: config_thread: callhome.spares.low:error]: Call home for SPARES_LOW

  • 次の障害RAIDグループがデグレード状態になっています

Mon Apr 04 02:00:00 +0200 [node_2: statd: monitor.raiddp.vol.singleDegraded:error]: data disk in RAID group "/aggr2_2/plex0/rg0" is broken.

  • ディスク障害は続行されます

Thu May 05 21:03:07 +0200 [node_2: config_thread: raid.rg.recons.cantStart:error]: The reconstruction cannot start in RAID group /aggr2_2/plex0/rg0: No matching disks available in spare pool, targeting any spare pool

Wed May 04 03:00:00 +0200 [node_2: statd: monitor.brokenDisk.notice:notice]: When two disks are broken in raid_dp volume, the system shuts down automatically every 24 hours to encourage you to replace the disk. If you reboot the system, it will run for another 24 hours before shutting down.

Wed May 04 03:00:00 +0200 [node_2: statd: monitor.shutdown.brokenDisk.pending:notice]: two data disks in RAID group "/aggr2_2/plex0/rg0" are broken. Halting system in 24 hours.

  • スペアディスクが提供され、再構築が開始されます
  • RAIDグループにdodgyディスクがある場合、再構築は完全に再構築できず、欠落しているブロックのマーク付けを開始します

Fri May 06 10:05:51 +0200 [node_2: raidio_thread: raid_multierr_bad_block_1:error]: params: {'disk_rpm': '10000', 'vendor': 'NETAPP  ', 'firmware_revision': 'NA02', 'shelf': '2', 'disk_info': 'Disk /aggr2_2/plex0/rg0/0a.02.23P1 Shelf 2 Bay 23 [NETAPP   X343_SSKBE1T8A10 NA02] S/N [WBN1AJT5NP001] UID [6000C500:BCA9B53B:500A0981:00000001:00000000:00000000:00000000:00000000:00000000:00000000]', 'volumeBno': '1348939177', 'site': 'Local', 'bay': '23', 'carrier': '', 'serialno': 'WBN1AJT5NP001', 'owner': '', 'model': 'X343_SSKBE1T8A10', 'disk_type': '4', 'blockNum': '81428969'}
Fri May 06 10:05:51 +0200 [node_2: raidio_thread: raid_multierr_bad_missingBlk_1:debug]: params: {'owner': '', 'rg': '/aggr2_2/plex0/rg0', 'blockNum': '81428969', 'vbn': '7381173545'}

  • クライアントが破損したデータを検出すると、不整合アラートがトリガーされます

Sun May 15 18:14:30 +0200 [node_2: wafl_exempt01: wafl.raid.incons.userdata:error]: WAFL inconsistent: inconsistent user data block at VBN 3581364492 (vvbn:567776529 fbn:664341713 level:0) in public inode (fileid:96 snapid:0 file_type:15 disk_flags:0x8402 error:120 raid_set:1) in volume node_02_vol@vserver:6456a9ee-6e12-11e8-99f3-01b099c9ade9.
Sun May 15 18:14:30 +0200 [node_2: wafl_exempt01: wafl.incons.userdata.vol:alert]: WAFL inconsistent: volume vol_02_vol@vserver:6456a9ee-6e12-11e8-99f3-01b099c9ade9 has an inconsistent user data block. Note: Any new Snapshot copies might contain this inconsistency.

 

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