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如何检查FabricPool的分层数据大小

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Category:
ontap-9
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core
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适用场景

  • ONTAP 9
  • FabricPool

问题描述

  •  在FabricPool卷上运行命令df 时、USED 大小与父FabricPool聚合不同。
    • 例如、在以下输出中、聚合已用空间为0GB:

cluster01::> df -A -g aggr2
Aggregate                total       used      avail capacity
aggr2                   2413GB       0GB     2413GB       0%
aggr2/.snapshot            0GB        0GB        0GB       0%
2 entries were displayed.

但是、卷会将已用空间报告为9 GB:

cluster01::> df -g siva
Filesystem               total       used      avail capacity  Mounted on                 Vserver
/vol/siva/                 9GB       9GB        0GB      99%  /siva                       svm1
/vol/siva/.snapshot        0GB        0GB        0GB       0%  /siva/.snapshot             svm1
2 entries were displayed.

  •  卷级别的df 命令包括 已用 空间的分层数据、如果超出实际卷大小、则无法添加任何数据。卷可能会超额预订、以考虑分层数据。
  • 这会导致客户端报告 设备上没有剩余空间、即使所有9GB都已分层:

[nfs_client]# df -h /mydata
Filesystem         Size  Used Avail Use% Mounted on
svm1:/siva        9.5G  9.5G   12M 100% /mydata
[nfs_client]#
[nfs_client]# cp mydatafile.log /mydata
cp: error writing /mydata/mydatafile.log: No space left on device
cp: failed to extend /mydata/mydatafile.log: No space left on device
[nfs_client]#

 

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