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


From: Amar S. Tumballi
Subject: Re: [Gluster-devel] What does it mean (unify bug ?) ?
Date: Sun, 8 Jun 2008 22:26:18 -0700

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.MY
with mode (0100660)
This is a wrong error level for error. The error is EEXIST, and it comes
when unify does self-heal of a directory. Fixed in tla repo, will be coming
out with new release.

Working on rsync/rdiff creating multiple files. Yet to corner it down. Will
have 1.3.10 with this fix this week.


>
> 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:
>

Thanks for the report, we will try to reproduce it locally.

Regards,
Amar


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


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