Where's the space? raidz2

[Dan Langille]

On 8/2/2010 7:11 PM, Dan Langille wrote:
> I recently altered an existing raidz2 pool from using 7 vdevs of about
> 931G to 1.81TB. In fact, the existing pool used half of each HDD. I then
> wanted to go to using [almost] all of each HDD.
>
> I offline'd each vdev, adjusted the HDD paritions using gpart, then
> replaced the vdev. After letting the resilver occur, I did the next vdev.
>
> The space available after this process did not go up as I expected. I
> have about 4TB in the pool, not the 8 or 9TB I expected.

This fixed it:

# df -h
Filesystem            Size    Used   Avail Capacity  Mounted on
/dev/mirror/gm0s1a    989M    508M    402M    56%    /
devfs                 1.0K    1.0K      0B   100%    /dev
/dev/mirror/gm0s1e    3.9G    500K    3.6G     0%    /tmp
/dev/mirror/gm0s1f     58G    4.6G     48G     9%    /usr
/dev/mirror/gm0s1d    3.9G    156M    3.4G     4%    /var
storage               512G    1.7G    510G     0%    /storage
storage/pgsql         512G    1.7G    510G     0%    /storage/pgsql
storage/bacula        3.7T    3.2T    510G    87%    /storage/bacula
storage/Retored       510G     39K    510G     0%    /storage/Retored


# zpool export storage
# zpool import storage

# df -h
Filesystem            Size    Used   Avail Capacity  Mounted on
/dev/mirror/gm0s1a    989M    508M    402M    56%    /
devfs                 1.0K    1.0K      0B   100%    /dev
/dev/mirror/gm0s1e    3.9G    500K    3.6G     0%    /tmp
/dev/mirror/gm0s1f     58G    4.6G     48G     9%    /usr
/dev/mirror/gm0s1d    3.9G    156M    3.4G     4%    /var
storage               5.0T    1.7G    5.0T     0%    /storage
storage/Retored       5.0T     39K    5.0T     0%    /storage/Retored
storage/bacula        8.2T    3.2T    5.0T    39%    /storage/bacula
storage/pgsql         5.0T    1.7G    5.0T     0%    /storage/pgsql



-- 
Dan Langille - http://langille.org/