On Saturday 25 March 2006 12:00, Scott Ballantyne wrote: > 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.
Try: dump -0au -L -f /dev/cd0 / I also had problems when I specified the size. Beech -- --------------------------------------------------------------------------------------- Beech Rintoul - Sys. Administrator - [EMAIL PROTECTED] /"\ ASCII Ribbon Campaign | Mangohealth \ / - NO HTML/RTF in e-mail | 201 East 9Th Avenue Ste.310 X - NO Word docs in e-mail | Anchorage, AK 99501 / \ - XanGo - http://www.mangohealth.org ---------------------------------------------------------------------------------------
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