pvaneynd: (Default)
[personal profile] pvaneynd
I'm experimenting with zfs at home, for the moment on top of my md/lvm setup, and I ran out of disk space. Growing the lv is pretty easy:

frost:~# lvextend --size +110G /dev/new-vg/zfs-test
  Extending logical volume zfs-test to 120.00 GiB
  Logical volume zfs-test successfully resized
frost:~# zpool list
NAME       SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT
zfs-pool  9.94G  9.78G   161M    98%  1.00x  ONLINE  -


Hmm it did not notice the 110GB extra, so I did:

frost:~# zpool export zfs-pool
frost:~# zpool import zfs-pool
frost:~# zpool list
NAME       SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT
zfs-pool   120G  9.78G   110G     8%  1.00x  ONLINE  -


so simply doing an import/export is enough.

I'm looking at zfs to have a better idea of what btrfs will mean in the future for us.
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