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Files cannot be added due to low disk space

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Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

ONTAP 9

Issue

  • EMS / event log show  messages indicate a nearly full thin provisioned volume containing a thin provisioned namespace:

[?]  Fri Dec 13 04:06:44 +0900 [XXX: wafl_spcd_main: monitor.volume.nearlyFull:error]: Volume XXX is nearly full (using or reserving 95%% of space and 0%% of inodes).
[?]  Fri Dec 13 04:08:20 +0900 [XXX: wafl_spcd_main: monitor.volume.full:alert]: Volume "XXX" is full (using or reserving 98%% of space and 0%% of inodes).
[?]  Fri Dec 13 04:09:19 +0900 [XXX: wafl_exempt13: wafl.vol.full:alert]: Insufficient space on volume XXX to perform operation. 540KB was requested but only 448KB was available.
[?]  Fri Dec 13 04:21:27 +0900 [XXX: wafl_exempt18: wafl.vol.full:alert]: Insufficient space on volume XXX to perform operation. 536KB was requested but only 196KB was available.
[?]  Fri Dec 13 04:31:50 +0900 [XXX: wafl_exempt02: wafl.vol.full:alert]: Insufficient space on volume XXX to perform operation. 12.0KB was requested but only 8.00KB was available.
  • vol show -instance confirmed configuration:
Volume Nearly Full Threshold Percent is 95%
Volume Full Threshold Percent is 98%
Space Reserved for Snapshot Copies is 17%　
Snapshot autodelete settings: state=off
  • df confirms less than 5% Space Reserved space available:
Filesystem            kbytes       used      avail 　　　capacity  Mounted on
/vol/XXX/    　　　　 870318080  402407972  467910108      46%  /vol/XXX/
/vol/XXX/.snapshot  178257920  169843196    8414724      95%  /vol/XXX/.snapshot

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