On Thu, 4 Aug 2005, Stuart Bailey wrote:
It would also help us if you sent a sample of the command you used to
start tar to do the backup. Usually with tar you need to specify the
-f /dev/nst0 or simular to backup to the drive. You do have to
replace the /dev/nst0 with the device name for your tape drive.
Sorry, I'm using:
tar -cvf /dev/st0 <files list>
tar has a key problem for backing up hard-disks, not all flavors of tar
support files greater than 2GB.
Once your device node issue gets solved you might consider using cpio
whose c style header will work for those cases.
a sample cpio command line might look like:
find -x . -print|cpio -oavB -H newc > /dev/st0
that stays on the the current filesystem.
removing the -x makes it do the whole tree if there are filesystems
attached to sub-directories
If you want a bigger block size to make your tape streamer go faster
remove the B and do --block-size=512 (256K) 1024 (512k) or 2048 (1MB)
if you want to bzip it:
find -x . -print|cpio -oavB -H newc | bzip2 -9 > /dev/st0
However, after the previous response, I have noticed that /dev/st0 was an
ordinary file, not a device file.
I'm now trying to work out what it should be - I think mknod /dev/st0 c 9 0
should do it.
It's odd how this has changed - it was working fine before the update.
Many thanks,
Stuart.
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Joel Jaeggli Unix Consulting joelja@xxxxxxxxxxxxxxxxxxxx
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