I think you might want to look into re-balance:
http://europe.gluster.org/community/documentation/index.php?title=Gluster_3.1:_Rebalancing_Volumes&redirect=no
<http://europe.gluster.org/community/documentation/index.php?title=Gluster_3.1:_Rebalancing_Volumes&redirect=no>
It's generally for adding/removing bricks but might re-distribute data
in a way that solves your disk space issue.
On 01/19/2011 04:43 PM, Daniel Zander wrote:
Hi!
Assuming you are doing a straight distribute there(?), if the user in
Yes's it's a distributed volume.
question is hashed onto the brick that is 100% full you'll get a space
Is there a way around this other than moving files away from this one
brick by hand?
error. Not sure I followed your migration details though, when you say
"user directories were moved into one of the above folders" do you mean
copied directly onto the individual storage bricks?
Yes, eg. user_a had the following directories
server5:/storage/5/user_a
server6:/storage/6/user_a
Then we performed a move:
ssh server5 "mv /storage/5/user_a/ /storage/5/cluster/user_a"
ssh server6 "mv /storage/6/user_a/ /storage/6/cluster/user_a"
This was done as it would not cause any network traffic. Then the volume
was created like that:
Brick1: 192.168.101.249:/storage/4/cluster
Brick2: 192.168.101.248:/storage/5/cluster
Brick3: 192.168.101.250:/storage/6/cluster
Brick4: 192.168.101.247:/storage/7/cluster
Brick5: 192.168.101.246:/storage/8/cluster
Regards,
Daniel
On 01/19/2011 05:01 AM, zan...@ekp.uni-karlsruhe.de wrote:
mv: cannot create regular file `/storage/cluster/<etc...>': No space
left on device
Doing df -h tells me, however:
glusterfs#192.168.101.247:/lemmy
104T 69T 36T 66% /storage/cluster
It may be of importance that one brick in the cluster is actually 100%
used. Others are almost completely empty. I am using GlusterFS.3.1.1,
the file servers are running debian lenny or ubuntu server 10.04,
clients are SLC4, SLC5, CentOS and ubuntu server 10.04.
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