rsync with --copy-devices patch and device-target with
--write-batch doesnt work
matt at mattmccutchen.net
Sat Jan 24 22:40:03 GMT 2009
On Sat, 2009-01-24 at 11:32 +0100, Freisei wrote:
> I want to use rsync to create differential backups of my lvm-snapshots.
> fullbackup-filename: /mnt/sdc1/snapshotvergleich/rootbackup1.img
> current snapshot: /dev/vg0/rootbackup
> note: compiled-in --copy-devices-patch
> root at xp8main3:/usr/local/src/rsync# ./rsync --version
> rsync version 3.1.0dev protocol version 31.PR5
> Copyright (C) 1996-2009 by Andrew Tridgell, Wayne Davison, and others.
> Web site: http://rsync.samba.org/
> 64-bit files, 64-bit inums, 64-bit timestamps, 64-bit long ints,
> socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace,
> append, no ACLs, xattrs, iconv, symtimes
> rsync comes with ABSOLUTELY NO WARRANTY. This is free software, and you
> are welcome to redistribute it under certain conditions. See the GNU
> General Public Licence for details.
> root at xp8main3:/usr/local/src/rsync# ./rsync -v --progress
> /mnt/sdc1/snapshotvergleich/rootbackup1.img /dev/vg0/rootbackup
> 53,116,928 0% 50.62MB/s 0:03:26
> rsync error: error in file IO (code 11) at io.c(1565) [sender=3.1.0dev]
> root at xp8main3:/usr/local/src/rsync#
That line number corresponds to a failure to write data to the batch
file. Rsync ought to print an informative error message when this
happens; I'll submit a patch for that when I get a chance. In the
meantime, you can strace rsync to see how the write(2) call is failing.
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