On 04/07/2015 18:10, Joe Steele wrote:
The [..] trace looks suspicious. The surrounding code
implies that the line would only be executed when there was no
previous backup found (and yet this was to be an incremental backup).
More specifically, no
"/mnt/D7bkp100/Backups/rdiff-backup-data/current_mirror.*.data" file
was found. Normally, rdiff-backup would not proceed with a backup if
it found the rdiff-backup-data folder but no current_mirror file. It
would also complain if the destination looked like a backup but had no
rdiff-backup-data folder.
Since rdiff-backup didn't complain about the missing current_mirror
file, the implication is that it didn't find the existing backup
destination folder. In that case, it would attempt a full backup (and
it doesn't look like there would be enough space for that).
All of this points to a possible mount problem at the time of the backup.
Another error occurs while attempting to log the previous error. This
time, it can't write to the log file
/mnt/D7bkp100/Backups/rdiff-backup-data/backup.log. That would support
the conclusion that the destination disk is the device that is full.
(But if there was a problem with mounts, then it might be the root
device that was full.)
Joe, the problem was indeed the mount.
For some reason the destination had become disconnected from the
source. I don't know whether the source lost the connection, or the
destination lost its connectivity but the result was that the source
could not see the destination. The error didn't exactly say that, so
I guess there is something in 'NFS' that doesn't return 'doesn't
exist' and instead returns something else (maybe free space = 0 ?),
potentially misleading rdiff-backup into issuing error 28.
The 2nd problem you saw, of logging the first error, was caused for
the same reason, the logs are stored in the destination, and the
destination wasn't there.
I've fixed the connectivity, remounted on both servers, and
successfully completed a backup.
Thanks to everyone who helped,
regards, Ron
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