[Gluster-users] deleted files make bricks full ?

Tomoaki Sato tsato at valinux.co.jp
Tue Sep 27 18:39:37 PDT 2011


Shehjar,

In my multi-head nas environment I can see the same issue with 3.1.7-1 too.

Best,

(2011/08/17 15:06), Shehjar Tikoo wrote:
> Thanks for providing the exact steps. This is a bug. We're on it.
>
> -Shehjar
>
> Tomoaki Sato wrote:
>> a simple way to reproduce the issue:
>> 1) NFS mount and create 'foo' and umount.
>> 2) NFS mount and delete 'foo' and umount.
>> 3) replete 1) 2) till ENOSPC.
>>
>> command logs are following:
>> [root at vhead-010 ~]# rpm -qa | grep gluster
>> glusterfs-fuse-3.1.5-1
>> glusterfs-core-3.1.5-1
>> [root at vhead-010 ~]# cat /etc/issue
>> CentOS release 5.6 (Final)
>> Kernel \r on an \m
>>
>> [root at vhead-010 ~]# for i in small-{1..4}-4-private; do ssh $i df /mnt/brick; do
>> ne
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cde:00002cdf:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002ceb:00002cec:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cf8:00002cf9:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002d05:00002d06:8
>> 103212320 192256 103020064 1% /mnt/brick
>> [root at vhead-010 ~]# mount small:/small /mnt
>> [root at vhead-010 ~]# ls /mnt
>> [root at vhead-010 ~]# dd if=/dev/zero of=/mnt/foo bs=1M count=1024
>> 1024+0 records in
>> 1024+0 records out
>> 1073741824 bytes (1.1 GB) copied, 17.8419 seconds, 60.2 MB/s
>> [root at vhead-010 ~]# ls -l /mnt/foo
>> -rw-r--r-- 1 root root 1073741824 Aug 2 08:14 /mnt/foo
>> [root at vhead-010 ~]# umount /mnt
>> [root at vhead-010 ~]# for i in small-{1..4}-4-private; do ssh $i df /mnt/brick; do
>> ne
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cde:00002cdf:8
>> 103212320 1241864 101970456 2% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002ceb:00002cec:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cf8:00002cf9:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002d05:00002d06:8
>> 103212320 192256 103020064 1% /mnt/brick
>> [root at vhead-010 ~]# mount small:/small /mnt
>> [root at vhead-010 ~]# rm -f /mnt/foo
>> [root at vhead-010 ~]# ls /mnt
>> [root at vhead-010 ~]# umount /mnt
>> [root at vhead-010 ~]# for i in small-{1..4}-4-private; do ssh $i df /mnt/brick; do
>> ne
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cde:00002cdf:8
>> 103212320 1241864 101970456 2% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002ceb:00002cec:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cf8:00002cf9:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002d05:00002d06:8
>> 103212320 192256 103020064 1% /mnt/brick
>> [root at vhead-010 ~]# ssh small-1-4-private
>> [root at localhost ~]# du /mnt/brick
>> 16 /mnt/brick/lost+found
>> 24 /mnt/brick
>> [root at localhost ~]# ps ax | grep glusterfsd | grep -v grep
>> 7246 ? Ssl 0:03 /opt/glusterfs/3.1.5/sbin/glusterfsd --xlator-option
>> small-server.listen-port=24009 -s localhost --volfile-id small.small-1-4-private
>> .mnt-brick -p /etc/glusterd/vols/small/run/small-1-4-private-mnt-brick.pid --bri
>> ck-name /mnt/brick --brick-port 24009 -l /var/log/glusterfs/bricks/mnt-brick.log
>>
>> [root at localhost ~]# ls -l /proc/7246/fd
>> total 0
>> lrwx------ 1 root root 64 Aug 2 08:18 0 -> /dev/null
>> lrwx------ 1 root root 64 Aug 2 08:18 1 -> /dev/null
>> lrwx------ 1 root root 64 Aug 2 08:18 10 -> socket:[153304]
>> lrwx------ 1 root root 64 Aug 2 08:18 11 -> socket:[153306]
>> lrwx------ 1 root root 64 Aug 2 08:18 12 -> socket:[153388]
>> lrwx------ 1 root root 64 Aug 2 08:18 13 -> /mnt/brick/foo (deleted) <====
>> lrwx------ 1 root root 64 Aug 2 08:18 2 -> /dev/null
>> lr-x------ 1 root root 64 Aug 2 08:18 3 -> eventpoll:[153252]
>> l-wx------ 1 root root 64 Aug 2 08:18 4 -> /var/log/glusterfs/bricks/mnt-brick.
>> log
>> lrwx------ 1 root root 64 Aug 2 08:18 5 -> /etc/glusterd/vols/small/run/small-1
>> -4-private-mnt-brick.pid
>> lrwx------ 1 root root 64 Aug 2 08:18 6 -> socket:[153257]
>> lrwx------ 1 root root 64 Aug 2 08:18 7 -> socket:[153301]
>> lrwx------ 1 root root 64 Aug 2 08:18 8 -> /tmp/tmpfpuXk7N (deleted)
>> lrwx------ 1 root root 64 Aug 2 08:18 9 -> socket:[153297]
>> [root at localhost ~]# exit
>> [root at vhead-010 ~]# mount small:/small /mnt
>> [root at vhead-010 ~]# dd if=/dev/zero of=/mnt/foo bs=1M count=1024
>> 1024+0 records in
>> 1024+0 records out
>> 1073741824 bytes (1.1 GB) copied, 21.4717 seconds, 50.0 MB/s
>> [root at vhead-010 ~]# ls -l /mnt/foo
>> -rw-r--r-- 1 root root 1073741824 Aug 2 08:19 /mnt/foo
>> [root at vhead-010 ~]# umount /mnt
>> [root at vhead-010 ~]# for i in small-{1..4}-4-private; do ssh $i df /mnt/brick; do
>> ne
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cde:00002cdf:8
>> 103212320 2291472 100920848 3% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002ceb:00002cec:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cf8:00002cf9:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002d05:00002d06:8
>> 103212320 192256 103020064 1% /mnt/brick
>> [root at vhead-010 ~]# mount small:/small /mnt
>> [root at vhead-010 ~]# rm -f /mnt/foo
>> [root at vhead-010 ~]# ls /mnt
>> [root at vhead-010 ~]# umount /mnt
>> [root at vhead-010 ~]# for i in small-{1..4}-4-private; do ssh $i df /mnt/brick; do
>> ne
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cde:00002cdf:8
>> 103212320 2291472 100920848 3% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002ceb:00002cec:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cf8:00002cf9:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002d05:00002d06:8
>> 103212320 192256 103020064 1% /mnt/brick
>> [root at vhead-010 ~]# ssh small-1-4-private ls -l /proc/7246/fd
>> total 0
>> lrwx------ 1 root root 64 Aug 2 08:18 0 -> /dev/null
>> lrwx------ 1 root root 64 Aug 2 08:18 1 -> /dev/null
>> lrwx------ 1 root root 64 Aug 2 08:18 10 -> socket:[153304]
>> lrwx------ 1 root root 64 Aug 2 08:18 11 -> socket:[153306]
>> lrwx------ 1 root root 64 Aug 2 08:18 12 -> socket:[153388]
>> lrwx------ 1 root root 64 Aug 2 08:18 13 -> /mnt/brick/foo (deleted) <====
>> lrwx------ 1 root root 64 Aug 2 08:21 14 -> /mnt/brick/foo (deleted) <====
>> lrwx------ 1 root root 64 Aug 2 08:18 2 -> /dev/null
>> lr-x------ 1 root root 64 Aug 2 08:18 3 -> eventpoll:[153252]
>> l-wx------ 1 root root 64 Aug 2 08:18 4 -> /var/log/glusterfs/bricks/mnt-brick.
>> log
>> lrwx------ 1 root root 64 Aug 2 08:18 5 -> /etc/glusterd/vols/small/run/small-1
>> -4-private-mnt-brick.pid
>> lrwx------ 1 root root 64 Aug 2 08:18 6 -> socket:[153257]
>> lrwx------ 1 root root 64 Aug 2 08:18 7 -> socket:[153301]
>> lrwx------ 1 root root 64 Aug 2 08:18 8 -> /tmp/tmpfpuXk7N (deleted)
>> lrwx------ 1 root root 64 Aug 2 08:18 9 -> socket:[153297]
>>
>> Tomo Sato
>>
>> (2011/08/02 7:14), Tomoaki Sato wrote:
>>> Hi,
>>>
>>> My simple test program, which repeat create-write-read-delete 64 of 1GB
>>> files on 100GB x 4 bricks from 4 NFS clients, fails due to ENOSPC.
>>> I found some glusterfsd have many file descriptors of same name, deleted
>>> files and these files fill the bricks.
>>> Is this know issue?
>>>
>>> Best,
>>>
>>> Tomo Sato
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
>>
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>> Date: Tue, 2 Aug 2011 08:43:33 +0900
>> From: Tomoaki Sato <tsato at valinux.co.jp>
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>> Subject: Re: [Gluster-users] deleted files make bricks full ?
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>>
>> a simple way to reproduce the issue:
>> 1) NFS mount and create 'foo' and umount.
>> 2) NFS mount and delete 'foo' and umount.
>> 3) replete 1) 2) till ENOSPC.
>>
>> command logs are following:
>> [root at vhead-010 ~]# rpm -qa | grep gluster
>> glusterfs-fuse-3.1.5-1
>> glusterfs-core-3.1.5-1
>> [root at vhead-010 ~]# cat /etc/issue
>> CentOS release 5.6 (Final)
>> Kernel \r on an \m
>>
>> [root at vhead-010 ~]# for i in small-{1..4}-4-private; do ssh $i df /mnt/brick; do
>> ne
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cde:00002cdf:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002ceb:00002cec:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cf8:00002cf9:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002d05:00002d06:8
>> 103212320 192256 103020064 1% /mnt/brick
>> [root at vhead-010 ~]# mount small:/small /mnt
>> [root at vhead-010 ~]# ls /mnt
>> [root at vhead-010 ~]# dd if=/dev/zero of=/mnt/foo bs=1M count=1024
>> 1024+0 records in
>> 1024+0 records out
>> 1073741824 bytes (1.1 GB) copied, 17.8419 seconds, 60.2 MB/s
>> [root at vhead-010 ~]# ls -l /mnt/foo
>> -rw-r--r-- 1 root root 1073741824 Aug 2 08:14 /mnt/foo
>> [root at vhead-010 ~]# umount /mnt
>> [root at vhead-010 ~]# for i in small-{1..4}-4-private; do ssh $i df /mnt/brick; do
>> ne
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cde:00002cdf:8
>> 103212320 1241864 101970456 2% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002ceb:00002cec:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cf8:00002cf9:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002d05:00002d06:8
>> 103212320 192256 103020064 1% /mnt/brick
>> [root at vhead-010 ~]# mount small:/small /mnt
>> [root at vhead-010 ~]# rm -f /mnt/foo
>> [root at vhead-010 ~]# ls /mnt
>> [root at vhead-010 ~]# umount /mnt
>> [root at vhead-010 ~]# for i in small-{1..4}-4-private; do ssh $i df /mnt/brick; do
>> ne
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cde:00002cdf:8
>> 103212320 1241864 101970456 2% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002ceb:00002cec:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cf8:00002cf9:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002d05:00002d06:8
>> 103212320 192256 103020064 1% /mnt/brick
>> [root at vhead-010 ~]# ssh small-1-4-private
>> [root at localhost ~]# du /mnt/brick
>> 16 /mnt/brick/lost+found
>> 24 /mnt/brick
>> [root at localhost ~]# ps ax | grep glusterfsd | grep -v grep
>> 7246 ? Ssl 0:03 /opt/glusterfs/3.1.5/sbin/glusterfsd --xlator-option
>> small-server.listen-port=24009 -s localhost --volfile-id small.small-1-4-private
>> .mnt-brick -p /etc/glusterd/vols/small/run/small-1-4-private-mnt-brick.pid --bri
>> ck-name /mnt/brick --brick-port 24009 -l /var/log/glusterfs/bricks/mnt-brick.log
>>
>> [root at localhost ~]# ls -l /proc/7246/fd
>> total 0
>> lrwx------ 1 root root 64 Aug 2 08:18 0 -> /dev/null
>> lrwx------ 1 root root 64 Aug 2 08:18 1 -> /dev/null
>> lrwx------ 1 root root 64 Aug 2 08:18 10 -> socket:[153304]
>> lrwx------ 1 root root 64 Aug 2 08:18 11 -> socket:[153306]
>> lrwx------ 1 root root 64 Aug 2 08:18 12 -> socket:[153388]
>> lrwx------ 1 root root 64 Aug 2 08:18 13 -> /mnt/brick/foo (deleted) <====
>> lrwx------ 1 root root 64 Aug 2 08:18 2 -> /dev/null
>> lr-x------ 1 root root 64 Aug 2 08:18 3 -> eventpoll:[153252]
>> l-wx------ 1 root root 64 Aug 2 08:18 4 -> /var/log/glusterfs/bricks/mnt-brick.
>> log
>> lrwx------ 1 root root 64 Aug 2 08:18 5 -> /etc/glusterd/vols/small/run/small-1
>> -4-private-mnt-brick.pid
>> lrwx------ 1 root root 64 Aug 2 08:18 6 -> socket:[153257]
>> lrwx------ 1 root root 64 Aug 2 08:18 7 -> socket:[153301]
>> lrwx------ 1 root root 64 Aug 2 08:18 8 -> /tmp/tmpfpuXk7N (deleted)
>> lrwx------ 1 root root 64 Aug 2 08:18 9 -> socket:[153297]
>> [root at localhost ~]# exit
>> [root at vhead-010 ~]# mount small:/small /mnt
>> [root at vhead-010 ~]# dd if=/dev/zero of=/mnt/foo bs=1M count=1024
>> 1024+0 records in
>> 1024+0 records out
>> 1073741824 bytes (1.1 GB) copied, 21.4717 seconds, 50.0 MB/s
>> [root at vhead-010 ~]# ls -l /mnt/foo
>> -rw-r--r-- 1 root root 1073741824 Aug 2 08:19 /mnt/foo
>> [root at vhead-010 ~]# umount /mnt
>> [root at vhead-010 ~]# for i in small-{1..4}-4-private; do ssh $i df /mnt/brick; do
>> ne
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cde:00002cdf:8
>> 103212320 2291472 100920848 3% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002ceb:00002cec:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cf8:00002cf9:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002d05:00002d06:8
>> 103212320 192256 103020064 1% /mnt/brick
>> [root at vhead-010 ~]# mount small:/small /mnt
>> [root at vhead-010 ~]# rm -f /mnt/foo
>> [root at vhead-010 ~]# ls /mnt
>> [root at vhead-010 ~]# umount /mnt
>> [root at vhead-010 ~]# for i in small-{1..4}-4-private; do ssh $i df /mnt/brick; do
>> ne
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cde:00002cdf:8
>> 103212320 2291472 100920848 3% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002ceb:00002cec:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002cf8:00002cf9:8
>> 103212320 192256 103020064 1% /mnt/brick
>> Filesystem 1K-blocks Used Available Use% Mounted on
>> /dev/mapper/00002d05:00002d06:8
>> 103212320 192256 103020064 1% /mnt/brick
>> [root at vhead-010 ~]# ssh small-1-4-private ls -l /proc/7246/fd
>> total 0
>> lrwx------ 1 root root 64 Aug 2 08:18 0 -> /dev/null
>> lrwx------ 1 root root 64 Aug 2 08:18 1 -> /dev/null
>> lrwx------ 1 root root 64 Aug 2 08:18 10 -> socket:[153304]
>> lrwx------ 1 root root 64 Aug 2 08:18 11 -> socket:[153306]
>> lrwx------ 1 root root 64 Aug 2 08:18 12 -> socket:[153388]
>> lrwx------ 1 root root 64 Aug 2 08:18 13 -> /mnt/brick/foo (deleted) <====
>> lrwx------ 1 root root 64 Aug 2 08:21 14 -> /mnt/brick/foo (deleted) <====
>> lrwx------ 1 root root 64 Aug 2 08:18 2 -> /dev/null
>> lr-x------ 1 root root 64 Aug 2 08:18 3 -> eventpoll:[153252]
>> l-wx------ 1 root root 64 Aug 2 08:18 4 -> /var/log/glusterfs/bricks/mnt-brick.
>> log
>> lrwx------ 1 root root 64 Aug 2 08:18 5 -> /etc/glusterd/vols/small/run/small-1
>> -4-private-mnt-brick.pid
>> lrwx------ 1 root root 64 Aug 2 08:18 6 -> socket:[153257]
>> lrwx------ 1 root root 64 Aug 2 08:18 7 -> socket:[153301]
>> lrwx------ 1 root root 64 Aug 2 08:18 8 -> /tmp/tmpfpuXk7N (deleted)
>> lrwx------ 1 root root 64 Aug 2 08:18 9 -> socket:[153297]
>>
>> Tomo Sato
>>
>> (2011/08/02 7:14), Tomoaki Sato wrote:
>>> Hi,
>>>
>>> My simple test program, which repeat create-write-read-delete 64 of 1GB
>>> files on 100GB x 4 bricks from 4 NFS clients, fails due to ENOSPC.
>>> I found some glusterfsd have many file descriptors of same name, deleted
>>> files and these files fill the bricks.
>>> Is this know issue?
>>>
>>> Best,
>>>
>>> Tomo Sato
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
>>
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