[Gluster-users] No space left on device

Mark "Naoki" Rogers mrogers at valuecommerce.co.jp
Wed Jan 19 09:12:55 UTC 2011


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, zander at 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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