Oracle Solaris ZFS File System (MOSC)

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differences between volsize and used

edited Jul 21, 2018 5:03AM in Oracle Solaris ZFS File System (MOSC) 2 commentsAnswered

Hi,

I have zvol 260G in size, but used && refer reports that it consumes about 382G.

I'll be appreciate if anyone explain me why used size greater than volsize.

root# zfs list -t all -o name,dedup,compression,volblocksize,volsize,used,refer -r dpool5/cinder-production/default/volume-2ec30b64-6f12-4eb1-9eda-f2133129b02aNAME                                                                                                                     DEDUP  COMPRESS  VOLBLOCK  VOLSIZE  USED  REFER  ORIGINdpool5/cinder/default/volume-2ec30b64-6f12-4eb1-9eda-f2133129b02a                                                          off       lz4        8K     260G  382G   382G  -dpool5/cinder/default/volume-2ec30b64-6f12-4eb1-9eda-f2133129b02a@snapshot-430e8b5e-5135-4226-a82f-c9460467bab3              -         -         -        -     0   382G  -

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