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アグリゲートの修復の実行後にSyncMirrorプレックスの障害が報告される

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metrocluster
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環境

  • ONTAP 9
  • MetroCluster FC
  • FlexArrayとNetApp Eシリーズバックエンド

問題

  • ディザスタ時の強制スイッチオーバーに続いて、サービングサイトでアグリゲートの修復が実行され、成功したことが示されます。
 
mcc.drsom.fsmStateTrans:debug]: params: {'from_state': 'heal_aggrs_in_progress', 'event': 'success'}
mcc.drsom.fsmStateEntry:debug]: params: {'state': 'heal_aggrs_complete'}
 
  • その直後にSyncMirrorプレックス障害が発生します。
 
raid.assim.rg.missingChild:debug]: Aggregate stor168sp4, rgobj_verify: RAID object 0 has only 4 valid children, expected 5.
raid.assim.plex.missingChild:debug]: Aggregate stor168sp4, plexobj_verify: Plex 0 only has 0 working RAID groups (1 total) and is being taken offline
raid.assim.rg.missingChild:debug]: Aggregate stor168sp1, rgobj_verify: RAID object 0 has only 5 valid children, expected 6.
raid.assim.plex.missingChild:debug]: Aggregate stor168sp1, plexobj_verify: Plex 0 only has 0 working RAID groups (1 total) and is being taken offline
raid.assim.rg.missingChild:debug]: Aggregate stor168sp15, rgobj_verify: RAID object 0 has only 4 valid children, expected 5.
raid.assim.plex.missingChild:debug]: Aggregate stor168sp15, plexobj_verify: Plex 6 only has 0 working RAID groups (1 total) and is being taken offline
 
  • スイッチオーバーされたアグリゲートのリモートミラープレックスにLUNがありません:
 
Aggregate stor168sp4 (online, raid0, mirror degraded) (block checksums)
  Plex /stor168sp4/plex0 (offline, failed, inactive)
   RAID group /stor168sp4/plex0/rg0 (partial, block checksums)
 
    RAID Disk Device        HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)   Phys (MB/blks)
    --------- ------        ------------- ---- ---- ---- ----- --------------   --------------
    data FAILED        N/A             13972000/ -
    data   lns24bb1:14.126L28  0f   -  -      0  LUN  N/A 13972000/28614656000 14000000/28672000000 
    data   lns24ab1:14.126L29  0e   -  -      0  LUN  N/A 13972000/28614656000 14000000/28672000000 
    data   lns24ab1:14.126L31  0e   -  -      0  LUN  N/A 13972000/28614656000 14000000/28672000000 
    data   lns24bb1:14.126L30  0f   -  -      0  LUN  N/A 13972000/28614656000 14000000/28672000000 
    Raid group is missing 1 disk.
 
 
  • 欠落したLUNはスイッチオーバークラスタの分断されたプールで確認され、スイッチオーバーされたクラスタによって誤って所有されています。
 
Aggregate stor168sp4 (failed, raid0, partial) (block checksums)
  Plex /stor168sp4/plex0 (offline, failed, inactive)
   RAID group /stor168sp4/plex0/rg0 (partial, block checksums)
 
    RAID Disk Device        HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)   Phys (MB/blks)
    --------- ------        ------------- ---- ---- ---- ----- --------------   --------------
    data   lns24ab1:14.126L27  0e   -  -      0  LUN  N/A 13972000/28614656000 14000000/28672000000 
    data FAILED        N/A             13972000/ -
    data FAILED        N/A             13972000/ -
    data FAILED        N/A             13972000/ -
    data FAILED        N/A             13972000/ -
    Raid group is missing 4 disks.

 

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