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卷存在快照溢出,但无快照

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适用场景

ONTAP 9

问题描述

Snapshot spill 占用卷的一半,但未看到卷的快照。
 

Volume : vol_esxi

      Feature                                           Used      Used%
      --------------------------------      ----------------      -----
      User Data                                       2.00TB        49%
      Filesystem Metadata                             1.65GB         0%
      Inodes                                          28.0KB         0%
      Snapshot Spill                                  1.86TB        46%
      Total                                           3.92TB        96%
      Total Physical Used                             3.18TB        78%
      Logical Used                                    3.92TB        96%

      Logical Available                                160GB         4%

在 EMS 日志中,我们会看到由于卷中的可用空间不足而创建快照并自动删除快照的循环

[wafl_exempt05: wafl.vol.snap_create.done:info]: params: {'vol': 'vol_name', 'app': '', 'volident': '@ ', 'run_time': '530979', 'owner': '', 'type': 'Volume'}
[snap_helper: wafl.volume.snap.autoDelete:info]: Deleting Snapshot copy 'hourly.2021-09-15_1705' in volume 'vol_name@ ' to recover storage.
[wafl_spcd_main: monitor.volume.nearlyFull:error]: Volume vol_name@  is nearly full (using or reserving 97%% of space and 0%% of inodes).
[wafl_spcd_main: monitor.volume.full:debug]: Volume vol_name@  is full (using or reserving 98% of space and 0% of inodes).
[snap_helper: wafl.volume.snap.autoDelete:info]: Deleting Snapshot copy 'hourly.2021-09-15_1805' in volume 'vol_name@ ' to recover storage.

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