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Active IQアラート:VLDBとWAFLの間に不一致があります

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Category:
ontap-9
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core
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環境

  • ONTAP 9
  • Write Anywhere File Layout(WAFL)
  • Volume Location Database(VLDB)
  • FlexGroupボリューム
  • ボリュームの自動拡張 

問題

Active IQは以下のリスクを報告します:
Discrepancies exist between VLDB (Volume Location Database) and WAFL (Write Anywhere File Layout)
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debug vreport showには、ボリュームの差が断続的に表示されます。

::*> debug vreport show
volume Differences:

Name        Reason   Attributes
--------      -------  ---------------------------------------------------
svm:vol__0002
         Present in VLDB and WAFL volume busy
              Node Name: cluster-02
              Volume DSID:1136 MSID:2155220372
              UUID: unknown
              Aggregate Name: aggr1_sata
              Aggregate UUID: 34d3b393-9a18-4c7a-9047-47f345d07e28
              Vserver UUID: 99a2525c-cf09-11ee-9fa8-d039fcc808af
              AccessType: READ_WRITE
              StorageType: REGULAR
              Constituent Role: none

イベントログには、FlexGroup構成要素の自動サイズ変更の縮小/拡大イベントが頻繁に表示される場合もあります(例:

Sun Mar 29 00:10:53 +0200 [cluster-01: wafl_exempt04: wafl_vol_autoSize_done_1:notice]: params: {'event_type': 'shrink', 'vol': 'vol__0002', 'app': '', 'volident': '@vserver:99a2525c-cf09-11ee-9fa8-d039fcc808af', 'size': '1.00GB', 'object_uuid': 'ab9f19c5-2n76-11f0-8fd1-d039eaa808af'}

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