Re: [Veritas-bu] LTO tapes handling more that it supposed

Subject:

From:

"Jim Watt" <jwatt AT emagsolutions DOT com>

To:

<veritas-bu AT mailman.eng.auburn DOT edu>

Date:

Mon, 25 Feb 2008 07:30:35 -0500

The hardware has it's own compression routine aside from what you chose in your software settings. The Tape manufacturers just give an average compression rate. If you are backing items like exe, dll, edb files they are already compressed so you will get almost no compression. If you are backing up office documents and other types of files they can compress up to 95% in some cases which would allow you to squeeze 5+ tb onto a tape (extreme but possible).

Jim Watt

From: veritas-bu-bounces AT mailman.eng.auburn DOT edu on behalf of Martin Ruslan
Sent: Mon 2/25/2008 6:47 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] LTO tapes handling more that it supposed

Dear gurus,
have you ever meet this condition?
My LTO3 tapes handling more than 800GB (about 1.2TB) on the media's report.
I don't have any idea for this.. The backup not running the compression also..
Is it maybe the block size or something? Need your advice..

Regards,
Martin

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