Amanda-Users

Re: How amtapetype determines tape mark size

2003-02-08 17:08:32
Subject: Re: How amtapetype determines tape mark size
From: Jean-Louis Martineau <martinea AT iro.umontreal DOT ca>
To: "John R. Jackson" <jrj AT purdue DOT edu>
Date: Sat, 8 Feb 2003 16:12:11 -0500
On Sat, Feb 08, 2003 at 01:51:28PM -0500, John R. Jackson wrote:
> All sorts of things might have happened to cause the amount of data
> written to vary enough to generate this file mark size guess.  A little
> more "shoe shining" because of the additional file marks (and flushes),
> dirt left on the heads from the first pass of a brand new tape, the
> temperature/humidity changed during the multi-hour run, a different amount
> of data was written after the last file mark before EOT was reported, etc.

Why amtapetype doesn't count these last blocks (from the last files). I know
there is some buffer (kernel, drive), but the error will be the same
for both pass.

Jean-Louis
-- 
Jean-Louis Martineau             email: martineau AT IRO.UMontreal DOT CA 
Departement IRO, Universite de Montreal
C.P. 6128, Succ. CENTRE-VILLE    Tel: (514) 343-6111 ext. 3529
Montreal, Canada, H3C 3J7        Fax: (514) 343-5834

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