Hi!
Trying to kill the keyboard, [EMAIL PROTECTED] produced:
> On Thu, Sep 16, 1999 at 01:43:12PM -0700, Perry Blalock wrote:
> > My problem is that although the above directories only contain
> > about 100Mb of stuff, cpio asks me to load a new tape so it can
> > finish the backups - my tapes are 400Mb uncompressed!
> ...I don't know the solution for "cpio", but with "afio" the following
> would work:
> afio -ofzBZv -M 50m -G $G_factor -T $T_factor -b32k -c1024 -s10g \
> -E /tmp/exps -@ root@localhost \
> -L /var/log/afiolog /dev/nst0 > /tmp/afio-backup.1 2> /tmp/afio-backup.2
> -s states the size of the tape. Both programs are quite similar, maybe
> this helps a bit.
That's a bad idea, IMHO. You use -Z (compress)[1], so you
cannot know how much data is going on the tape in first place
(the compression ratio may vary). If the tape drive can give
you an "End Of Tape" message, afio should be able to parse
it and thus ask you to change the tape. This means -f won't
work either.
Oh, *if* you use afio and buffer, *do* test the backup. I found
that in my case buffer corrupts the archive on tape (data got
lost instead on tape, probably because I forgot something ...).
[1] which is OK, since each file is separately compressed,
so tape rot will kill only the affected files.
-Wolfgang
