On Wed, 17 Oct 2007, G T Smith wrote:- <snip>
You do not need dd (or mount), tar with with the DVD/CD device name as target does it nicely for reading (and writing). I would expect multi-volume tar to work in the same way as it would with a tape device in this scenario...
Would you mind letting me know just what options you used to make tar write straight to a DVD? A few tests here, both as a normal user and root, fail as shown below: davjam@lion:~> cd /usr/src/packages/SOURCES davjam@lion:/usr/src/packages/SOURCES> ls -l total 236 -rw-r--r-- 1 davjam users 233501 2007-10-14 21:54 mplayerplug-in-3.45-0.pm.2.src.rpm davjam@lion:/usr/src/packages/SOURCES> tar cf /dev/hdc mplayerplug-in-3.45-0.pm.2.src.rpm tar: /dev/hdc: Cannot open: Read-only file system tar: Error is not recoverable: exiting now davjam@lion:/usr/src/packages/SOURCES> tar cf /dev/dvdrw mplayerplug-in-3.45-0.pm.2.src.rpm tar: /dev/dvdrw: Cannot open: Read-only file system tar: Error is not recoverable: exiting now davjam@lion:/usr/src/packages/SOURCES> tar c --file=/dev/dvdrw mplayerplug-in-3.45-0.pm.2.src.rpm tar: /dev/dvdrw: Cannot open: Read-only file system tar: Error is not recoverable: exiting now davjam@lion:/usr/src/packages/SOURCES> sudo mount /dev/hdc /mnt root's password: mount: you must specify the filesystem type davjam@lion:/usr/src/packages/SOURCES> davjam@lion:/usr/src/packages/SOURCES> su - Password: lion:~ # cd /usr/src/packages/SOURCES lion:/usr/src/packages/SOURCES # tar cf /dev/hdc mplayerplug-in-3.45-0.pm.2.src.rpm tar: /dev/hdc: Cannot open: Read-only file system tar: Error is not recoverable: exiting now lion:/usr/src/packages/SOURCES # tar cf /dev/dvdrw mplayerplug-in-3.45-0.pm.2.src.rpm tar: /dev/dvdrw: Cannot open: Read-only file system tar: Error is not recoverable: exiting now lion:/usr/src/packages/SOURCES # tar c --file=/dev/dvdrw mplayerplug-in-3.45-0.pm.2.src.rpm tar: /dev/dvdrw: Cannot open: Read-only file system tar: Error is not recoverable: exiting now Regards, David Bolt -- Team Acorn: http://www.distributed.net/ OGR-P2 @ 100Mnodes RC5-72 @ 15Mkeys SUSE 10.0 32bit | SUSE 10.1 32bit | openSUSE 10.2 32bit | openSUSE 10.3 32bit SUSE 10.0 64bit | SUSE 10.1 64bit | openSUSE 10.2 64bit | RISC OS 3.11 | RISC OS 3.6 | TOS 4.02 | openSUSE 10.3 PPC -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org