On Wed, 12 Sep 2012 03:08:50 +0200 Simon Toedt wrote: > I'm in the process of updating our development machines and noticed > that using AST pax is a lot faster than GNU tar.
> But... is there any catch I should know about? What are the > recommended options to backup a Linux home directory and what are the > recommended options to restore it? # to create the backup -- -P will not follow symlinks cd pax -P -wvf /some-dir-not-under-$HOME/home.tgz -x tgz . # to restore -- -N will only restore files that are newer in the archive cd pax -N -rvf /some-dir-not-under-$HOME/home.tgz if you plan on doing this periodically then use the base+deltas method but be aware that on restore this method will delete files that have been created since the last delta -- so make an up-to-date delta before restoring an old one *before you backup/restore precious dirs/files do some tests on throwaway copies* # create a base cd pax -P -wvf /some-dir-not-under-$HOME/home.base.pax . # later create deltas -- delta will only contain changes (mod, create, delete) cd pax -P -wvf /some-dir-not-under-$HOME/home-01.pax -z /some-dir-not-under-$HOME/home.base.pax . ... pax -P -wvf /some-dir-not-under-$HOME/home-02.pax -z /some-dir-not-under-$HOME/home.base.pax . # list delta cd pax -vf /some-dir-not-under-$HOME/home-02.pax -z /some-dir-not-under-$HOME/home.base.pax # read delta cd pax -rvf /some-dir-not-under-$HOME/home-02.pax -z /some-dir-not-under-$HOME/home.base.pax after looking at the delta restore semantics -Nr ... -z ... should not delete files newer than the delta (it currently does) _______________________________________________ ast-users mailing list [email protected] https://mailman.research.att.com/mailman/listinfo/ast-users
