[EMAIL PROTECTED] [EMAIL PROTECTED] writes:
Was running FreeBSD 5.1 Release on a Dell Inspiron 8500 with
a CD-RW/DVD Combo drive and backed up data onto several
new CD-RWs simply as follows:
burncd -s max data archive.tar.gz
Then after installing FreeBSD 5.2 Release, tried restoring
as follows:
tar -xvzf /dev/acd0
And unfortunately ended up with only error messages such as
input/output, unexpected end of archive/file and child
returned status 2 from all the CD-RWs too.
The block size on a CD is 2048. You need to tell that to tar.
I think you can do it with the -b option.
Fixating would definitely be a good idea, in any case; I'm not sure
it's necessary, but I would expect it to be.
Not sure if it has anything to do with not blanking or
erasing the new CD-RWs first or not adding fixate to the
burncd command, but planning to always now just burn and
thoroughly test ISOs for even one file, and only desperately
seeking to first recover this data any which way.
dd if=/dev/acd0c of=archive.tar.gz bs=2048
You shouldn't need to do that, but it won't really hurt either, aside
from a small space wastage.
Whatever you do, though, TEST YOUR BACKUPS BEFORE YOU NEED THEM.
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