On Tue, 2005-06-07 at 16:35 -0700, Andy Ross wrote:
> Indeed:
>
> tar cf /tmp/unbelievably-huge-file /var/log/lastlog
>
> I killed it after 10 seconds and a few hundred MB. What if someone
> tries to backup their logs? Surely there must be a saner way to store
> this data than a 1.2TB sparse file... This is a sysadmin disaster
> waiting to happen.
From 'man tar'
-S, --sparse
handle sparse files efficiently
From 'man rsync'
-S, --sparse handle sparse files efficiently
Most backup software I've looked at mentions sparse files and how to
handle them. Perhaps what is prudent is a mention in the release notes
and FAQs that /var/log/lastlog is a sparse file and should be treated
accordingly.
--
Jesse Keating RHCE (http://geek.j2solutions.net)
Fedora Legacy Team (http://www.fedoralegacy.org)
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