Quoting:
"""
From: Hal Pomeranz
Date: Mon, 29 Dec 2003 18:25:29 -0800
...
Frankly, using GNU tar is probably a better option precisely because
it doesn't have this particular issue (tar is a "file at a time"
archiver, and is therefore relatively resistant to file system changes
during the archive process).  And GNU tar can deal with various
"weird" files (sparse files, device files, etc.) that other versions
of tar tend to have trouble with.
"""

I also like the above aspects of GNU tar. The only thing I found it
doesn't like is tar'ing /proc/ (what's the point, anyhow?) and some stuff
in /var/ that constantly changes. But for that I either use the -T option
to select, or -X option to exclude.

 As for the single user mode: frankly, if there are frequent insert
requests from httpd to /var/lib/mysql/someWebDB I wouldn't trust any
binary 'snapshot' of an unflushed DB and use the utility that comes with
the DB engine, like mysqldump; maybe I'm just paranoid, but the idea of
'better safe than sorry' is worth that little extra time; it's scripted
anyhow.

 - Horst


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