:: Re: [DNG] trouble with rdiff-backup
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Author: Hendrik Boom
To: dng
Subject: Re: [DNG] trouble with rdiff-backup
On Mon, Apr 25, 2022 at 12:11:37PM -0500, Hector Gonzalez Jaime via Dng wrote:
> On 4/24/22 12:17, Hendrik Boom wrote:
> > Suddenly it cannot write on a file system. Presumably the backup drive? The one it has already filled with 215831712 iK blocks and has abother 1608278664 available?
> >
> > Then more complaints about banned unicode characters, and then another similar backtrace ending with
> >
> > OSError: [Errno 30] Read-only file system
> >
> > Is anyone else having problems like these? Is rdiff-backup busted? Or is my new backup drive or my USB interface busted?
> This might mean your system detected a format problem with your backup disk, have you tried to remount it? Check your kernel log,
> if there is such a problem it would remount the disk read only. You can verify with the mount command and no arguments.
> If that is the case, you should umount the disk, and run fsck on it before trying to mount the disk again.

Some kind of success: I mv'd the backup directory that backup-rdiff created out of the way, and repeated the backup, with a few extras to, before and after, show what files /dev/sd* existed and/or mounted.

This time it all seems to have worked, except for a few odd messages:

Warning: modification time of b'/usbackup/backup-by-rdiff/april/farhome--hendrik/dn/dosgames/Truelove/rdiff-backup.tmp.234919' isbefore 1970
Warning: modification time of b'/usbackup/backup-by-rdiff/april/farhome--hendrik/dn/dosgames/Truelove/rdiff-backup.tmp.234920' isbefore 1970
Warning: modification time of b'/usbackup/backup-by-rdiff/april/farhome--hendrik/dn/dosgames/Truelove/rdiff-backup.tmp.234921' isbefore 1970
Warning: modification time of b'/usbackup/backup-by-rdiff/april/farhome--hendrik/dn/dosgames/Truelove/rdiff-backup.tmp.234922' isbefore 1970

The files it's trying to back up seem to be dated in 1916 or 1919. Suspicious, but not likely a backup failure. Maybe I should change their dates to something valid, like early in 1970?

-- hendrik