Today we were out of diskspace on one of our pools ... a few removed snapshots later all is fine, except that I find that I don't realy understand the numbers ... can anyone elighten me?
# zpool list fast NAME SIZE ALLOC FREE EXPANDSZ CAP DEDUP HEALTH ALTROOT fast 4.34T 1.74T 2.61T - 39% 1.22x ONLINE - # zfs list fast NAME USED AVAIL REFER MOUNTPOINT fast 2.59T 716G 78.5K /fast Why does the 'zpool list' claim that 2.61T is free (61%) while 'zfs list' sees 716G free (27%) I know there is raidz2 and compression so the numbers don't match up, but I don't understand why the ratio is so different between the two. I checked on other filesystems and there the view from zpool and zfs look much more similar. cheers tobi ps. the dedup ratio is a leftover from a time when I tried dedup. $ zpool get all fast NAME PROPERTY VALUE SOURCE fast size 4.34T - fast capacity 39% - fast altroot - default fast health ONLINE - fast guid 16524146496274345089 default fast version - default fast bootfs - default fast delegation on default fast autoreplace off default fast cachefile - default fast failmode wait default fast listsnapshots off default fast autoexpand off default fast dedupditto 0 default fast dedupratio 1.22x - fast free 2.61T - fast allocated 1.74T - fast readonly off - fast comment - default fast expandsize 0 - fast freeing 0 default fast feature@async_destroy enabled local fast feature@empty_bpobj active local fast feature@lz4_compress active local fast feature@multi_vdev_crash_dump enabled local fast feature@spacemap_histogram active local fast feature@extensible_dataset enabled local $ zfs get all fast NAME PROPERTY VALUE SOURCE fast type filesystem - fast creation Fri Jan 4 17:19 2013 - fast used 2.59T - fast available 716G - fast referenced 78.5K - fast compressratio 1.81x - fast mounted yes - fast quota none default fast reservation none default fast recordsize 128K default fast mountpoint /fast default fast sharenfs off default fast checksum on default fast compression lz4 local fast atime on default fast devices on default fast exec on default fast setuid on default fast readonly off default fast zoned off default fast snapdir hidden default fast aclmode discard default fast aclinherit restricted default fast canmount on default fast xattr on default fast copies 1 default fast version 5 - fast utf8only off - fast normalization none - fast casesensitivity sensitive - fast vscan off default fast nbmand off default fast sharesmb off default fast refquota none default fast refreservation none default fast primarycache all default fast secondarycache all default fast usedbysnapshots 0 - fast usedbydataset 78.5K - fast usedbychildren 2.59T - fast usedbyrefreservation 0 - fast logbias latency default fast dedup off local fast mlslabel none default fast sync standard default fast refcompressratio 1.00x - fast written 78.5K - fast logicalused 2.22T - fast logicalreferenced 19.5K - -- Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland www.oetiker.ch t...@oetiker.ch +41 62 775 9902 _______________________________________________ OmniOS-discuss mailing list OmniOS-discuss@lists.omniti.com http://lists.omniti.com/mailman/listinfo/omnios-discuss