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ONTAPで外部アグリゲート(孤立したディスクから構成)を削除する方法

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環境

  • Data ONTAP 8
  • ONTAP 9
  • 別のシステムから追加されたディスクが原因の外部アグリゲートで、適切に未割り当ておよび初期化されていないディスク

概要

これがシステムに影響するかどうかActive IQで確認してください

  • アグリゲートはaggr statusコマンドで「failed」および「foreign」と報告され、リブート/テイクオーバー中にEMSがRAID同化エラーを報告する場合があります。例: 

aggr0(1) failed     raid_dp, aggr      diskroot, raidtype=raid_dp, raidsize=24, 
             foreign        raid_lost_write=on, resyncsnaptime=5, 

[?] Fri Jul 16 06:01:45 CDT [cluster1-01: config_thread: raid.assim.rg.missingChild:debug]: Aggregate partner_foreign:aggr0, rgobj_verify: RAID object 0 has only 5 valid children, expected 10.
[?] Fri Jul 16 06:01:45 CDT [cluster1-01: config_thread: raid.assim.plex.missingChild:debug]: Aggregate partner_foreign:aggr0, plexobj_verify: Plex 0 only has 0 working RAID groups (1 total) and is being taken offline
[?] Fri Jul 16 06:01:45 CDT [cluster1-01: config_thread: raid.assim.mirror.noChild:debug]: Aggregate partner_foreign:aggr0, mirrorobj_verify: No operable plexes found.
[?] Fri Jul 16 06:01:45 CDT [cluster1-01: cf_takeover: raid.fm.takeoverFail:alert]: RAID takeover failed: Partner label processing failed.

  • イベントログでは、raid.assim.tree.multipleRootVolsも報告できます

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