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Re: [Gluster-devel] write-behind mtime workaround
From: |
Steffen Grunewald |
Subject: |
Re: [Gluster-devel] write-behind mtime workaround |
Date: |
Fri, 27 Apr 2007 10:20:15 +0200 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
On Thu, Apr 26, 2007 at 10:57:20PM -0400, Brent A Nelson wrote:
> Setting "option aggregate-size 0" does not eliminate the mtime glitch
> 100%. Copying /usr to an afr/unify glusterfs, I found that almost
> everything was okay, but a handful of files on one server had updated
> mtimes, and a different handful on the other server did, as well.
This is kind of crucial since self-healing relies on inode metadata
(including mtime)...
> So, even with aggregation out of action, write-behind will still
> occasionally alter mtimes on a "cp -a".
An easy way to detect this should be to use rsync in both directions, with
the -n option. (rsync -avn source_dir/. target_dir/.)
Cheers
Steffen
- [Gluster-devel] write-behind mtime workaround, Brent A Nelson, 2007/04/26
- Re: [Gluster-devel] write-behind mtime workaround, Anand Avati, 2007/04/27
- Re: [Gluster-devel] write-behind mtime workaround, Brent A Nelson, 2007/04/27
- io-threads (was Re: [Gluster-devel] write-behind mtime workaround), Brent A Nelson, 2007/04/27
- Re: io-threads (was Re: [Gluster-devel] write-behind mtime workaround), Anand Avati, 2007/04/27
- [Gluster-devel] more bugs (was Re: io-threads...), Brent A Nelson, 2007/04/27
- [Gluster-devel] Re: more bugs (was Re: io-threads...), Brent A Nelson, 2007/04/28
- [Gluster-devel] Re: more bugs (was Re: io-threads...), Anand Avati, 2007/04/29
- [Gluster-devel] Re: more bugs (was Re: io-threads...), Brent A Nelson, 2007/04/30
Re: [Gluster-devel] write-behind mtime workaround,
Steffen Grunewald <=