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Snapshot大小显示为0 KB或在Data ONTAP 7-Mode中创建后发生更改

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data-ontap-8
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适用场景

  • 在7-模式下运行的Data ONTAP 8
  • Snapshot

问题描述

System Manager将显示大小为0 KB的快照。

  • 从命令行查看快照时、也会出现相同的行为:

node> snap list volume1
Volume volume1
working...
%/used %/total date name
---------- ---------- ------------ --------
0% ( 0%) 0% ( 0%) Oct 23 16:00 hourly.0 
0% ( 0%) 0% ( 0%) Oct 23 12:01 hourly.1 
0% ( 0%) 0% ( 0%) Oct 23 08:00 hourly.2 
0% ( 0%) 0% ( 0%) Oct 23 00:00 weekly.0 
0% ( 0%) 0% ( 0%) Oct 22 20:01 hourly.3 
0% ( 0%) 0% ( 0%) Oct 22 16:01 hourly.4 
0% ( 0%) 0% ( 0%) Oct 22 12:00 hourly.5 
0% ( 0%) 0% ( 0%) Oct 22 08:01 hourly.6 
0% ( 0%) 0% ( 0%) Oct 22 00:00 nightly.0 
0% ( 0%) 0% ( 0%) Oct 21 20:00 hourly.7 
0% ( 0%) 0% ( 0%) Oct 21 00:00 nightly.1 
0% ( 0%) 0% ( 0%) Oct 20 00:01 nightly.2 
0% ( 0%) 0% ( 0%) Oct 19 00:00 nightly.3 
0% ( 0%) 0% ( 0%) Oct 18 00:01 nightly.4 
0% ( 0%) 0% ( 0%) Oct 17 00:00 nightly.5 
0% ( 0%) 0% ( 0%) Oct 16 00:00 weekly.1

  • Snapshot大小会在创建后更改。

可以 运行以下命令来检查Snapshot空间使用量:

snap reclaimable  命令可计算 删除一个或多个指定快照后回收的卷空间。

注意: 由于此任务会占用大量CPU资源、因此可能需要长时间运行。    
node> snap reclaimable vol_name snapshot_name 

Snap delta 显示两个快照之间的更改率。 
node> snap delta vol_name

Snap list 显示每个快照的单行信息。

它与快照的名称一起显示快照的创建时间和快照大小。
node> snap list vol_name

For snap command options, refer to the manual page

 

 

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