Greetings, I posted this to a couple online forums already am am already doubting anyone will be able to directly help me solve my problems. So I am here to query the experts directly:
> I have a number of rsync clients trying to connect to an rsync server > routinely, and they're intermittently failing with one of a couple error > messages. > > Either: > > 2010/09/15 13:45:23 [32143] rsync: connection unexpectedly closed (0 bytes > received so far) [Receiver] 2010/09/15 13:45:23 [32143] rsync error: > unexplained error (code 255) at io.c(601) [Receiver=3.0.7] > > Or: > > 2010/09/15 13:40:01 [7617] rsync: connection unexpectedly closed (0 bytes > received so far) [Receiver] 2010/09/15 13:40:01 [7617] rsync error: error in > rsync protocol data stream (code 12) at io.c(601) [Receiver=3.0.7] > > The current version of the rsync command I'm using is: > > rsync --rsync-path="/usr/bin/rsync" --stats --compress --times --links > --log-file=/home/ubuntu/rsynclog.txt --exclude thatfile --recursive > xxx.xx.xxx.xx:/home/ubuntu/utility_scripts/ /home/ubuntu/utility_scripts & > > I previously had --verbose and --progress but removed them after reading on > another forum that someone had resolved some latency issues by removing > those options. I've also tried this command in the form of a shell script, > thinking perhaps the issue was that my rsync client was attempting to reuse > an expired ssh connection. To that end, it fails seemingly at random whether > using rsh or ssh. It periodically fails whether or not I do --del or > --delete, --compress or not, --rsync-path or not. > > I cannot get the command to fail from the command line, but when it runs > every minute, it fails 5-15 times an hour, depending on the directory being > rsync'ed. The permissions and ownership appear to all be correct, and I'm > not relying on any sort of environmental variables that would be causing the > cron to fail. All of the relevant software packages (bash, rsync, ssh, > Linux) are up to date, all key ports are open, and all clients do not fail > simultaneously, suggesting this is not a server-side problem. > If anyone has any constructive feedback for resolving or troubleshooting this/these issue/s, I am very interested in hearing it. Thanks, JTG
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