[Gluster-users] [Gluster-devel] volume rebalance still broken
John Mark Walker
jwalker at gluster.com
Tue Jun 28 14:14:27 UTC 2011
Replying and adding gluster-users. That seems more appropriate?
From: gluster-devel-bounces+jwalker=gluster.com at nongnu.org [gluster-devel-bounces+jwalker=gluster.com at nongnu.org] on behalf of Emmanuel Dreyfus [manu at netbsd.org]
Sent: Tuesday, June 28, 2011 6:51 AM
To: gluster-devel at nongnu.org
Subject: [Gluster-devel] volume rebalance still broken
I am back with my volume rebalance problem on NetBSD. The logs told
me I had error when handling extended attributes. The problem were caused
by differences between the Linux and NetBSD extended attribute API. I
fixed it by implementing the Linux API à la <sys/xattr.h> in NetBSD,
hopefully this will make my life easier in the future.
gluster volume rebalance now run without a hitch and logs report no
errors. However, I have a problem with the file that existed on the
volume prior the first rebalance operation:
client# ls -l old_file
-rw-r--r-- 1 root wheel 893 May 10 11:47 old_file
client# cat old_file
cat: old_file: Not a directory
The file exists on both servers (this is distributed-replicate with 2 x 2
bricks), and I can read it here. Files added after the rebalance can be
accessed without any problem.
I tried stopping glusterfsd, removing all extended attribute on a bick
and restarting it. glusterfs was able to reconstruct attributes:
If I remove the desired file from a brick, afr will restre it from the
other brick, but it is still not accessible.
Removing extended atributes from the desired file case it to
disapear from client view, and I get this in the logs:
E [posix.c:510:posix_stat] 0-gfs1-posix: lstat on /old_file failed:
Attribute not found
Unmounting and remounting the volume lead me back to the original
situation where reading the file gets ENODIR.
manu at netbsd.org
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