Dump to DVD problem.
- From: Scott Ballantyne <sdb@xxxxxxx>
- Date: 25 Mar 2006 21:00:43 -0000
I am trying to use dump/restore to backup my filesystems to DVD. I am
using a DVD+RW, format it with dvd+rw-format -force /dev/cd0, and then do:
dump -0 -b 32 -B 4590208 -f /dev/cd0 /
to backup the root filesystem. I do this after going to single user
mode.
It seems that dump is perhaps not properly closing the file? The DVD
drive light remains on, and I get errors from restore:
tape read error: Unknown error: 0
dvd+rw-mediainfo /dev/cd0 is more informative:
/dev/cd0: unable to open: Device busy
I *can* dump to a file on a filesystem, and use growisofs to write
this dump file to the DVD. No problems mounting and reading the
resulting dump file. Unfortunately, I do not have enough free disk
space to do this with my larger file systems.
This is with 5.3-RELEASE.
Thanks in advance for any suggestions.
sdb
--
sdb@xxxxxxx
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