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手動で作成したSnapshotは、自動削除をfalseに設定して自動削除されます

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ontap-9
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core<a>2009261692</a>
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環境

ONTAP 9

問題

  • 手動スナップショットがありません
  • スペースを解放するためにSnapshotを自動削除
  • Snapshot作成後のsnap listの出力:

CLUSTER::> snap list -vol vol1
                                                                 ---Blocks---
Vserver  Volume   Snapshot                                  Size Total% Used%
-------- -------- ------------------------------------- -------- ------ -----
SVM_1    vol1
                  3hour.2022-08-06_0805                  74.69GB     4%    9%
                  3hour.2022-08-06_1105                  23.50GB     1%    3%
                  Manual_DR_1                               120KB     0%    0%
                  Manual_DR_2                               104KB     0%    0%
4 entries were displayed.

  • EMSログには、スペース不足の状態が原因で自動的に削除されたことが記録されています。

Sat Aug 06 12:38:15 IST [CLUSTER-02: wafl_spcd_main: monitor.volume.full:debug]: Volume vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64 is full (using or reserving 98% of space and 0% of inodes).
Sat Aug 06 12:38:17 IST [CLUSTER-02: snap_helper: wafl.volume.snap.autoDelete:info]: Deleting Snapshot copy '3hour.2022-08-06_0805' in volume 'vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64' to recover storage.
Sat Aug 06 12:38:20 IST [CLUSTER-02: wafl_spcd_main: monitor.volume.nearlyFull:alert]: Volume vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64 is nearly full (using or reserving 97%% of space and 0%% of inodes).
Sat Aug 06 12:38:29 IST [CLUSTER-02: wafl_spcd_main: monitor.volumes.one.ok:debug]: Volume vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64 is OK.
Sat Aug 06 12:38:36 IST [CLUSTER-02: snap_helper: wafl.volume.snap.autoDelete:info]: Deleting Snapshot copy '3hour.2022-08-06_1105' in volume 'vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64' to recover storage.
Sat Aug 06 12:38:54 IST [CLUSTER-02: snap_helper: wafl.volume.snap.autoDelete:info]: Deleting Snapshot copy 'Manual_DR_1' in volume 'vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64' to recover storage.
Sat Aug 06 12:39:08 IST [CLUSTER-02: snap_helper: wafl.volume.snap.autoDelete:info]: Deleting Snapshot copy 'Manual_DR_2' in volume 'vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64' to recover storage.

  • Snapshot設定で自動削除がfalseに設定されている場合:

::> volume snapshot autodelete show

Vserver Name: SVM_1
Volume Name: vol1
Enabled: false
Commitment: try
Defer Delete: user_created
Delete Order: oldest_first
Defer Delete Prefix: (not specified)

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