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"snapshot show" 中 "total%" 和 "used%" 的含义是什么?

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适用于

ONTAP 9

问题解答

  •  "total%" 是指父卷中块总数的百分比,可通过 "snapshot size/volume size" 计算得出。
  •  "Used%" 是指父卷中已用块的百分比,可通过 "snapshot size/ ( snapshot size + volume used size ) " 计算得出

示例: 

如何通过 "df -h" 命令确认卷的已用大小并计算 snapshot "used%" 。

fas8300-2n-rtp-1::>snapshot show
svm1
vol1
weekly.2021-02-07_0015                   912KB     0%   10%
weekly.2021-02-14_0015                  4.02MB     0%   32%

fas8300-2n-rtp-1::> df -volume vol1 -vserver svm1 -h
Filesystem               total       used      avail capacity  Mounted on
/vol/vol1/               475GB     8568KB      474GB       0%  ---
/vol/vol1/.snapshot       25GB     6400KB       24GB       0%  ---

912MB/(912KB+8568KB) = approximately 10%
4.02MB/(4.02MB+8568KB) = approximately 32%

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