Can you post the result of 'gluster volume status v0 detail' ?
On 05/05/16 06:49, Serkan Çoban wrote:
Hi, Can anyone suggest something for this issue? df, du has no issue
for the bricks yet one subvolume not being used by gluster..
On Wed, May 4, 2016 at 4:40 PM, Serkan Çoban <cobanserkan@xxxxxxxxx> wrote:
Hi,
I changed cluster.min-free-inodes to "0". Remount the volume on
clients. inode full messages not coming to syslog anymore but I see
disperse-56 subvolume still not being used.
Anything I can do to resolve this issue? Maybe I can destroy and
recreate the volume but I am not sure It will fix this issue...
Maybe the disperse size 16+4 is too big should I change it to 8+2?
On Tue, May 3, 2016 at 2:36 PM, Serkan Çoban <cobanserkan@xxxxxxxxx> wrote:
I also checked the df output all 20 bricks are same like below:
/dev/sdu1 7.3T 34M 7.3T 1% /bricks/20
On Tue, May 3, 2016 at 1:40 PM, Raghavendra G <raghavendra@xxxxxxxxxxx> wrote:
On Mon, May 2, 2016 at 11:41 AM, Serkan Çoban <cobanserkan@xxxxxxxxx> wrote:
1. What is the out put of du -hs <back-end-export>? Please get this
information for each of the brick that are part of disperse.
Sorry. I needed df output of the filesystem containing brick. Not du. Sorry
about that.
There are 20 bricks in disperse-56 and the du -hs output is like:
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
1.8M /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
80K /bricks/20
I see that gluster is not writing to this disperse set. All other
disperse sets are filled 13GB but this one is empty. I see directory
structure created but no files in directories.
How can I fix the issue? I will try to rebalance but I don't think it
will write to this disperse set...
On Sat, Apr 30, 2016 at 9:22 AM, Raghavendra G <raghavendra@xxxxxxxxxxx>
wrote:
On Fri, Apr 29, 2016 at 12:32 AM, Serkan Çoban <cobanserkan@xxxxxxxxx>
wrote:
Hi, I cannot get an answer from user list, so asking to devel list.
I am getting [dht-diskusage.c:277:dht_is_subvol_filled] 0-v0-dht:
inodes on subvolume 'v0-disperse-56' are at (100.00 %), consider
adding more bricks.
message on client logs.My cluster is empty there are only a couple of
GB files for testing. Why this message appear in syslog?
dht uses disk usage information from backend export.
1. What is the out put of du -hs <back-end-export>? Please get this
information for each of the brick that are part of disperse.
2. Once you get du information from each brick, the value seen by dht
will
be based on how cluster/disperse aggregates du info (basically statfs
fop).
The reason for 100% disk usage may be,
In case of 1, backend fs might be shared by data other than brick.
In case of 2, some issues with aggregation.
Is is safe to
ignore it?
dht will try not to have data files on the subvol in question
(v0-disperse-56). Hence lookup cost will be two hops for files hashing
to
disperse-56 (note that other fops like read/write/open still have the
cost
of single hop and dont suffer from this penalty). Other than that there
is
no significant harm unless disperse-56 is really running out of space.
regards,
Raghavendra
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