[Gluster-users] Problem with free space limits on servers.
Basavanagowda Kanur
gowda at zresearch.com
Wed Dec 17 12:42:08 UTC 2008
option alu.limits.min-free-disk 20%
specifies to unify that stop scheduling new files (create, symlink, mknod)
to a subvolume once the free disk space on the subvolume reaches upto 80% of
total disk space. scheduler does not guarantee that the already created
files won't grow in size.
in fact, min-free-disk option stops scheduling to the subvolumes to allow
the already existing files to grow.
--
gowda
On Wed, Dec 17, 2008 at 2:27 PM, Lior Goikhburg <glior at hh.ru> wrote:
> Got unify over AFR with scheduler ALU. (gluster 1.4 rc1).
>
> volume files-afr1
> type cluster/afr
> subvolumes client1 client2
> end-volume
>
> volume files-afr2
> type cluster/afr
> subvolumes client3 client4
> end-volume
>
> volume ns-afr
> type cluster/afr
> subvolumes ns1 ns2
> end-volume
>
> volume files-unify
> type cluster/unify
> option namespace ns-afr
> subvolumes files-afr1 files-afr2
> option self-heal background
> option scheduler alu
> option alu.limits.min-free-disk 20%
>
> Did a test to completely fill up the space on mounted drive, to see what
> happens.
> All nodes got filled up to 100% despite the limit of 20% on nodes.
> Why is this happening ?
>
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--
hard work often pays off after time, but laziness always pays off now
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