[Gluster-users] Problems with Gluster 3.1 and replicate/mirror

[rickytato rickytato]

I'had same problem, but with
glusterfs-3.1.1qa8.tar.gz<http://download.gluster.com/pub/gluster/glusterfs/qa-releases/glusterfs-3.1.1qa8.tar.gz>
 seems work well.


rr

2010/11/22 Craig Carl <craig at gluster.com>

> Hugo -
>    How did you disable the quick-read translator?
>
> Thanks,
>
> Craig
>
> -->
> Craig Carl
> Senior Systems Engineer
> Gluster
>
>
> On 11/22/2010 06:48 AM, Hugo Cisneiros (Eitch) wrote:
>
>> Hi :)
>>
>> In another thread, I had problems with the quick-read translator that
>> was fixed on 3.1.1. Since I'm using 3.1.0 I disabled the translator
>> and the updates on small files began to work fine.
>>
>> Now, I'm having another problem. I'm using 2 servers in
>> replicate/mirror mode. I can't always reproduce the problem, but it's
>> happening some times at random. For example, there's a file named
>> tags.txt on the gluster filesystem, accessed on both clients using
>> fuse. Both servers can read and update it.
>>
>> Sometimes, when I update the file on one of the clients, it breaks its
>> access in the other client:
>>
>> server1$ md5sum tags.txt
>> 5c6a268f03c8d6b94dc1c3d0bbd3396a
>> server1$ cat tags.txt
>> [... full contents of the file ...]
>>
>> server2$ md5sum tags.txt
>> 5c6a268f03c8d6b94dc1c3d0bbd3396a
>> server2$ cat tags.txt
>> cat: tags.txt: No such file or directory
>>
>> Using vim to edit the file also gives me a "Permission denied". I can
>> read the directory contents, and even get a md5 checksum of the file,
>> but when trying to access the file, it fails :( The problem is fixed
>> when I remount the gluster mount point at the client 2.
>>
>> I think there's some split brain ocurring. Log messages includes some of
>> those:
>>
>> W [fuse-bridge.c:2075:fuse_readdir_cbk] glusterfs-fuse: 1074214:
>> READDIR =>  -1 (File descriptor in bad state)
>> I [afr-dir-read.c:171:afr_examine_dir_readdir_cbk] blogs-mirror:
>> entry self-heal triggered. path: /upload/19/files, reason: check
>> sums of directory differ, forced merge option set
>> E [afr-common.c:110:afr_set_split_brain] blogs-mirror: invalid argument:
>> inode
>>
>> W [fuse-bridge.c:570:fuse_fd_cbk] glusterfs-fuse: 1065386: OPEN()
>> /tags.txt =>  -1 (No such file or directory)
>>
>> There's lot of these, saying that an entry self-heal is triggered.
>>
>> Maybe a good option to solve this is re-syncing (with rsync, for
>> example) the server 2 with the server 1. But is this a known bug or
>> something? I remember this happening when I was messing with read-only
>> options and translators.
>>
>> Thanks,
>>
>>  _______________________________________________
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