Date: Sat, 05 Jul 1997 15:52:49 -0600 From: "Justin T. Gibbs" <gibbs@plutotech.com> To: Keith Mitchell <kmitch@weenix.guru.org> Cc: gibbs@plutotech.com (Justin T. Gibbs), scsi@freebsd.org Subject: Re: Archive Viper and 3940UW (bad Drive?) Message-ID: <199707052152.PAA26449@pluto.plutotech.com> In-Reply-To: Your message of "Sat, 05 Jul 1997 17:37:04 EDT." <199707052137.RAA05245@weenix.guru.org>
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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). You shouldn't have to erase used tapes before using them either. >> 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). If the tape drive needs to look at the media before it can respond, then the .5s timeouts are way too short. >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). Which will last for how many months before your dumps panic the system again?? 8-) >-- >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 > -- Justin T. Gibbs =========================================== FreeBSD: Turning PCs into workstations ===========================================
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