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Date:      Sat, 5 Jul 1997 17:37:04 -0400 (EDT)
From:      Keith Mitchell <kmitch@weenix.guru.org>
To:        gibbs@plutotech.com (Justin T. Gibbs)
Cc:        scsi@freebsd.org
Subject:   Re: Archive Viper and 3940UW (bad Drive?)
Message-ID:  <199707052137.RAA05245@weenix.guru.org>
In-Reply-To: <199707052015.OAA25086@pluto.plutotech.com> from "Justin T. Gibbs" at "Jul 5, 97 02:15:28 pm"

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> You shouldn't have to erase the tapes before using them.

I agree, but these were not new tapes.  These were tapes I have been using
for many months repeatedly (in a cycle -- 15 types, so each tape got
used about twice a month).

> Did up-ing the timeout in st_write_filemarks fix the problem?  Perhaps
> 60s is better than 10s there too?

It helped, but so did uping the times of the .5 second timeouts
(mode_sense, mode_select, etc) which may indicate that the
problem could be in st_open (the mount).

I am not exactly sure what the cause was.  Whether everytime amanda
rewrote the header, the filemark got longer or what happened.  Erasing
the tapes did seem to fix it though.  Right now, I am running without
any mods to the timeout values and all seems to be working correctly
(since I erased the tapes).

-- 
Keith Mitchell					Head Administrator: acm.vt.edu
Email: kmitch@weenix.guru.org			PGP key available upon request
http://weenix.guru.org/~kmitch 
     Address and URL (c) 1997 Keith Mitchell - All Rights Reserved
   		Unauthorized use or duplication prohibited



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