ZFS: FreeBSD 10.1 can't import/mount FreeBSD 9 pool
Steven Hartland
killing at multiplay.co.uk
Sat Dec 27 00:06:24 UTC 2014
Later versions reserve space for deletions etc, so if your volume is too
full could fail in this manor.
The fix would be to clear down space so this is no longer an issue.
On 26/12/2014 23:43, James R. Van Artsdalen wrote:
> FreeBSD bigtex.housenet.jrv 10.1-PRERELEASE FreeBSD 10.1-PRERELEASE #2
> r273476M: Thu Oct 23 20:39:40 CDT 2014
> james at bigtex.housenet.jrv:/usr/obj/usr/src/sys/GENERIC amd64
>
> A pool created by a FreeBSD 9 system was imported into FreeBSD 10.1 but
> failed to create the recursive mountpoints as shown below.
>
> What's especially interesting is that the free space reported by
> zpool(1) and zfs(1) are wildly different, even though there are no
> reservations.
>
> Note that I was able to do a zpool upgrade, but that zfs upgrade failed
> on the children datasets.
>
> # zpool import SAS01
> cannot mount '/SAS01/t03': failed to create mountpoint
> cannot mount '/SAS01/t04': failed to create mountpoint
> cannot mount '/SAS01/t05': failed to create mountpoint
> cannot mount '/SAS01/t06': failed to create mountpoint
> cannot mount '/SAS01/t07': failed to create mountpoint
> cannot mount '/SAS01/t08': failed to create mountpoint
> cannot mount '/SAS01/t12': failed to create mountpoint
> cannot mount '/SAS01/t13': failed to create mountpoint
> # zpool list SAS01
> NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT
> SAS01 43.5T 42.6T 948G - 0% 97% 1.00x ONLINE -
> # zfs list -p SAS01
> NAME USED AVAIL REFER MOUNTPOINT
> SAS01 33279222543840 0 314496 /SAS01
> # zpool get all SAS01
> NAME PROPERTY VALUE SOURCE
> SAS01 size 43.5T -
> SAS01 capacity 97% -
> SAS01 altroot - default
> SAS01 health ONLINE -
> SAS01 guid 1341452135 default
> SAS01 version - default
> SAS01 bootfs - default
> SAS01 delegation on default
> SAS01 autoreplace off default
> SAS01 cachefile - default
> SAS01 failmode wait default
> SAS01 listsnapshots off default
> SAS01 autoexpand off default
> SAS01 dedupditto 0 default
> SAS01 dedupratio 1.00x -
> SAS01 free 948G -
> SAS01 allocated 42.6T -
> SAS01 readonly off -
> SAS01 comment - default
> SAS01 expandsize - -
> SAS01 freeing 0 default
> SAS01 fragmentation 0% -
> SAS01 leaked 0 default
> SAS01 feature at async_destroy enabled local
> SAS01 feature at empty_bpobj active local
> SAS01 feature at lz4_compress active local
> SAS01 feature at multi_vdev_crash_dump enabled local
> SAS01 feature at spacemap_histogram active local
> SAS01 feature at enabled_txg active local
> SAS01 feature at hole_birth active local
> SAS01 feature at extensible_dataset enabled local
> SAS01 feature at embedded_data active local
> SAS01 feature at bookmarks enabled local
> SAS01 feature at filesystem_limits enabled local
> # zfs get all SAS01
> NAME PROPERTY VALUE SOURCE
> SAS01 type filesystem -
> SAS01 creation Tue Dec 23 2:51 2014 -
> SAS01 used 30.3T -
> SAS01 available 0 -
> SAS01 referenced 307K -
> SAS01 compressratio 1.00x -
> SAS01 mounted yes -
> SAS01 quota none default
> SAS01 reservation none default
> SAS01 recordsize 128K default
> SAS01 mountpoint /SAS01 default
> SAS01 sharenfs off default
> SAS01 checksum on default
> SAS01 compression off default
> SAS01 atime on default
> SAS01 devices on default
> SAS01 exec on default
> SAS01 setuid on default
> SAS01 readonly off default
> SAS01 jailed off default
> SAS01 snapdir hidden default
> SAS01 aclmode discard default
> SAS01 aclinherit restricted default
> SAS01 canmount on default
> SAS01 xattr off temporary
> SAS01 copies 1 default
> SAS01 version 5 -
> SAS01 utf8only off -
> SAS01 normalization none -
> SAS01 casesensitivity sensitive -
> SAS01 vscan off default
> SAS01 nbmand off default
> SAS01 sharesmb off default
> SAS01 refquota none default
> SAS01 refreservation none default
> SAS01 primarycache all default
> SAS01 secondarycache all default
> SAS01 usedbysnapshots 0 -
> SAS01 usedbydataset 307K -
> SAS01 usedbychildren 30.3T -
> SAS01 usedbyrefreservation 0 -
> SAS01 logbias latency default
> SAS01 dedup off default
> SAS01 mlslabel -
> SAS01 sync standard default
> SAS01 refcompressratio 1.00x -
> SAS01 written 307K -
> SAS01 logicalused 30.2T -
> SAS01 logicalreferenced 12K -
> SAS01 volmode default default
> SAS01 filesystem_limit none default
> SAS01 snapshot_limit none default
> SAS01 filesystem_count none default
> SAS01 snapshot_count none default
> SAS01 redundant_metadata all default
> # zpool status SAS01
> pool: SAS01
> state: ONLINE
> scan: scrub repaired 0 in 20h26m with 0 errors on Thu Dec 25 20:57:34 2014
> config:
>
> NAME STATE READ WRITE CKSUM
> SAS01 ONLINE 0 0 0
> raidz2-0 ONLINE 0 0 0
> da45 ONLINE 0 0 0
> da44 ONLINE 0 0 0
> da47 ONLINE 0 0 0
> da43 ONLINE 0 0 0
> da42 ONLINE 0 0 0
> da46 ONLINE 0 0 0
> da41 ONLINE 0 0 0
> da40 ONLINE 0 0 0
>
> errors: No known data errors
> # zfs upgrade -r SAS01
> cannot set property for 'SAS01/t03': out of space
> cannot set property for 'SAS01/t04': out of space
> cannot set property for 'SAS01/t05': out of space
> cannot set property for 'SAS01/t06': out of space
> cannot set property for 'SAS01/t07': out of space
> cannot set property for 'SAS01/t08': out of space
> cannot set property for 'SAS01/t12': out of space
> cannot set property for 'SAS01/t13': out of space
> 0 filesystems upgraded
> 1 filesystems already at this version
> #
>
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