Hi Rsync/Samba team,
First of all, cudos on rsync 2.6.6! It is running exceptionally well.
I'm using a script executed by cron to keep warm-backup servers in sync
with the primary server. The execution is set to run every 5 minutes.
Like any good programmer, this process is *very* paranoid and uses
'wall' to notify the users if any error occurs during the transmissions.
This is working extremely well. We've already done an emergency failover
to the warm-backup servers with an acceptable amount of data loss -
mostly nothing!
I have found; however, a race condition exists between users and rsync
that causes a 'vanished file' error. This race condition is exacerbated
when the link speed between the systems is slow such as a T1.
rsync -avpozO -e ssh /somedirectory/ backupserver:/somedirectory/
During normal system operation, users are allowed to delete files that
they own in 'somedirectory'. This is especially true in /home. When
rsync is instantiated, the file list is created and the transfer begins.
The problem comes up when a user deletes a file during the transfer.
Rsync exits 24 and this causes the paranoia messages to go out.
Reading the documentation, I see no method or option to deal with this
situation.
I request an option flag '--ignore-vanished' to be added. This flag
would disable exit 24. With the -v option, vanished files would be
described as "file xxx Vanished - Ignored" so it still may be seen in logs.
Regards,
Bill
--
William G. Crowell, VP & CTO
Crowell Systems
4235 South Stream Blvd Suite 100
Charlotte NC 28217
704.665.2000 fax 704.665.2180
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