Unexpected timeout in rsync

[jw schultz]

On Tue, Jan 13, 2004 at 06:50:28PM +0000, John Hunt wrote:
> Hi
> 
> I am having trouble with intermittent timeouts when backing up a largish set 
> of files from /usr using rsync. Approx 125,000 files, 2GB. Backup is to same 
> machine, from a partition on hda to one on hdb.  I am using ribs 2.1 
> (slightly modified to ignore rsync error 23), run with nice -n 5 via cron.
> (for ribs visit http://rustyparts.com/phpBB/viewforum.php?f=9 )
> 
> Typical error report is:
> 
> rsync error: timeout in data send/receive (code 30) at io.c(103)
> rsync: connection unexpectedly closed (2613404 bytes read so far)
> rsync error: error in rsync protocol data stream (code 12) at io.c(165)
> rsync: connection unexpectedly closed (2613404 bytes read so far)
> rsync error: error in rsync protocol data stream (code 12) at io.c(165)
> 
> rsync return value = 12
> 
> The rsync command being generated by ribs is:
> 
> /usr/bin/rsync -artpl --delete --delete-excluded --stats --timeout=600
> 	 --exclude="/usr/local/*" -e ssh "root at localhost:/usr" 	
> 	/backups/hdb/system/usr/weekly.0 >/tmp/ribs-system-weekly_b4tInu 2>&1
> 
> I've just run this from the command line (at default priority) and it took 
> only 7 minutes to complete. Increasing the timeout from 180 (ribs default) to 
                    ^^^^^^^^
I assume you mean fail.

> 600 has not improved matters.
> 
> On the other hand a 6GB set of files, mostly jpegs, appears to be handled 
> reliably. As are all my other ribs backups via cron, generally a few 100MB.
> 
> Mandrake 9.2, rsync 2.5.6, open ssh 3.6.1p2.
> 
> Any suggestions?

It sounds like a something is causing a hang.  I'd start by
adding -v to see when it is hanging.  Perhaps -vv.  You
might want to fsck the filesystem.


-- 
________________________________________________________________
	J.W. Schultz            Pegasystems Technologies
	email address:		jw at pegasys.ws

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