[Gluster-users] 3.1.2 feedback

vishal.ud vishal.ud at directi.com
Fri Jan 21 20:46:48 UTC 2011

On Friday 21 January 2011 07:46 PM, Marcus Bointon wrote:
> On 21 Jan 2011, at 14:37, Vijay Bellur wrote:
>> Can you please elaborate a bit more about the rsync problem?
> I'm keeping user-uploaded/created web content on a gluster volume. On one of the gluster nodes I run an hourly script to rsync the entire contents to another server. I get errors like this:
> /etc/cron.hourly/content-backup:
> file has vanished: "/var/www/mysite/content/username/images/image.gif"
> rsync warning: some files vanished before they could be transferred (code 24) at main.c(1060) [sender=3.0.7]
> run-parts: /etc/cron.hourly/content-backup exited with return code 24
Dont think this is a gluster problem . but its rsync thats not finding 
some files that already existed the last time on the remote directory . 
Too many temp files created/destroyed on the remote directory ?  i faced 
a similar issue and wrote a simple wrapper to ignore code 24 and just 
continue the rsync rather than stopping it . hope this helps
> (the gluster volume is mounted at /var/www/mysite/content)
> The errors are intermittent - some hours it works, other hours it doesn't. When I hit the URL that points at it, it seems to be fine. To fix it, I copy the file from its location on the gluster volume to somewhere else, then copy it back. So far this has always fixed the problem. I originally started seeing this with gluster 3.0 and it's persisted with 3.1.x.
> It's possible that some files have indeed vanished between rsync creating its list and actually copying it (for example cache files created by wp-supercache are often very short-lived), however, this is mostly not the case - I'll often get the same error for the same file for several consecutive hours.
> I suspect this could be a metadata issue of some kind -  if you can tell me how, I can grab some kind of metadata dump from the affected files on both my backing stores and through the mounted gluster volume.
> Marcus
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