tar 1.11.1 --listed-incremental with --atime-preserve

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2 total messages Started by Derek Beatty Wed, 30 Sep 1992 10:35

#977

Author: Derek Beatty
Date: Wed, 30 Sep 1992 10:35

12 lines
1115 bytes

Do these two options really work together?  Are you really getting incremental
backups when you use the scripts you provide?  I had to take out --atime-
preserve to make the scripts work incrementally on a NeXT.  Otherwise, level-1
seemed to dump everything accessed since the level-0, which of course includes
everything on the level-0 dump.

By the way, here's yet another hint for people using the NeXT workstation's
builtin floppy drive: use --info-script='/usr/etc/disk -e /dev/rfd0a', and
also insert the same command in the scripts at the bottom of the backup-dirs
loop and also inside the backup-files conditional.

 -- Derek

tar 1.11.1 --listed-incremental with --atime-preserve

#987

Author: Michael I Bushnell
Date: Thu, 01 Oct 1992 09:39

21 lines
1486 bytes

   Resent-Date: Wed, 30 Sep 1992 14:35:22 -0400 (EDT)
   Date: Wed, 30 Sep 1992 14:35:22 -0400 (EDT)
   From: Derek Beatty <beatty@cs.cmu.edu>
   Sender: gnulists@ai.mit.edu
   Mime-Version: 1.0
   Content-Type: TEXT/PLAIN; charset=US-ASCII
   Resent-From: bug-gnu-utils-request@prep.ai.mit.edu

   Do these two options really work together?  Are you really getting
   incremental backups when you use the scripts you provide?  I had to
   take out --atime- preserve to make the scripts work incrementally
   on a NeXT.  Otherwise, level-1 seemed to dump everything accessed
   since the level-0, which of course includes everything on the
   level-0 dump.

That is correct.  There is a lossage, which is unavoidable, sort of.
The work around is for --atime-preserve to read the disk device
directly.  That will be done in 1.12.  Until then, remove
--atime-preserve from the backup scripts.

	-mib

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