Date: Thu, 12 Jun 1997 14:31:35 -0600 From: Lyndon Nerenberg <lyndon@ve7tcp.ampr.org> To: Brandon Gillespie <brandon@ice.cold.org> Cc: freebsd-questions@freebsd.org Subject: Re: dump/restore with compression Message-ID: <199706122031.OAA01000@ve7tcp.ampr.org> In-Reply-To: Your message of "Thu, 12 Jun 1997 13:40:51 MDT." <Pine.NEB.3.95.970612133914.4723A-100000@ice.cold.org>
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[ -hackers dropped ... ] One option (it's a bit heavyweight I'll admit) is to install amanda and use it to run the backups. It can compress the dump sets on the way to the tape if you like. In my case, I never compress backups. If you get a single I/O error on a tape, you have almost no hope of retrieving any data stored beyond the error. Uncompressed backups in dump format can handle and recover from this. (Compression done in the tape drive includes a *lot* of redundent information to help handle recovery from bad media situations.) --lyndon
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