[Gluster-devel] What does it mean (unify bug ?) ?

[Amar S. Tumballi]

Hi Anton,
 This bug is fixed in patch-780. It is related to rename.

Regards,
Amar

On Sun, Jun 8, 2008 at 10:19 PM, Антон Халиков <anton at khalikov.ru> wrote:

> Hello. It's me again.
>
> >Hi Anton, your volume spec looks fine. Please upgrade to 1.3.9
>
>
> I've upgraded to 1.3.9. Then I recreated a fresh storage from scratch and
> after a few days of using this storage I got the same error again.
>
> Example:
>
> dom0r1:~# head
>
> /backup/hosting/****-databases/****/databases/mysql/db_iis_enfo_en/iis_informer.MYI
> head: cannot open
>
> `/backup/hosting/****-databases/****/databases/mysql/db_iis_enfo_en/iis_informer.MYI'
> for reading: Input/output error
>
> glusterfs.log contains:
> 2008-06-09 11:04:49 E [unify.c:873:unify_open] backup-unify:
>
> /hosting/****-databases/***/databases/mysql/db_iis_enfo_en/iis_informer.MYI:
> entry_count is 3
> 2008-06-09 11:04:49 E [unify.c:876:unify_open] backup-unify:
>
> /hosting/****-databases/***/databases/mysql/db_iis_enfo_en/iis_informer.MYI:
> found on bbrick2
> 2008-06-09 11:04:49 E [unify.c:876:unify_open] backup-unify:
>
> /hosting/****-databases/***/databases/mysql/db_iis_enfo_en/iis_informer.MYI:
> found on bbrick1
> 2008-06-09 11:04:49 E [unify.c:876:unify_open] backup-unify:
>
> /hosting/****-databases/***/databases/mysql/db_iis_enfo_en/iis_informer.MYI:
> found on afr-ns
> 2008-06-09 11:04:49 E [fuse-bridge.c:692:fuse_fd_cbk] glusterfs-fuse:
> 61894193: (12)
> /hosting/****-databases/***/databases/mysql/db_iis_enfo_en/iis_informer.MYI
> => -1 (5)
>
> We use rdiff-backup to backup data from our servers. After 2-5 backup
> cycles
> we get the situation.
>
> Storage systems are placed over ext3fs mounted with attributes
> rw,noatime,user_xattr.
>
> In the same time I tried to 'head' the file, glusterfsd.log got a lot of
> error messages like:
> 2008-06-09 11:04:49 E [posix.c:1984:posix_setdents] backupbrick-ns: Error
> creating file
>
> /var/lib/gluster/ns//hosting/****-databases/***/databases/mysql/db_iis_enfo_en/iis_mylinks_cat.MYI
> with mode (0100660)
>
> You can notice the error message complaints about different file. In one
> second I got 349 lines complaining about different file names in total. All
> these lines were caused by my 'head' call.
>
> glusterfs 1.3.9 built on Jun  2 2008 20:36:02
> Repository revision: glusterfs--mainline--2.5--patch-770
>
>
> Any ideas ?
>
> --
> Best regards
> Anton Khalikov
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>



-- 
Amar Tumballi
Gluster/GlusterFS Hacker
[bulde on #gluster/irc.gnu.org]
http://www.zresearch.com - Commoditizing Super Storage!