*BSD News Article 96136


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From: Supervisor <root@ipamzlx.physik.uni-mainz.de>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: HELP! FBSD 2.2.2 tape problems!
Date: 25 May 1997 09:58:11 GMT
Organization: Johannes Gutenberg-Universitaet Mainz, Germany
Lines: 39
Message-ID: <5m92fj$26v$1@kralle.zdv.Uni-Mainz.DE>
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I have many troubles since I switched from FBSD 2.1.7.1 to 2.2.2!

We made backups of our serverdisks every week with the wangtek es5525
tape drive and anything ran well! When we migrated from FBSD 2.1.7.1
to 2.2.2 many problems occured! 

First I get a lot of error messages about command fails on our
NCR 53C810 SCSI controler (sometimes the controler fails on sd0 or sd1 or
sd5, disk 0, disk 1 and the cdrom respective). 

The problem with the controler is still present but sometimes the system
boots and we can work. I tried to dilatate the delay-time, but that has 
had no effect! 

Then suddenly we lost our "primary partition table: no magic " on our
data disk! That is a big problem. So We tried to reformat the disk with
problems and then to replace the backup from the tape. But this seems
to be impossible! We can not replace the backup from our tape back to
the disk! We always get errors like /kernel: st0(ncr0:3:0): error code 0!
What happened to the system? What is that new in the 2.2.2 kernel for the 
NCR controler that it isn't possible to replace tapes written with 2.1.7.1?

Any kind of help is appreciated!


O. Hartmann

-- 

Oliver Hartmann

Johannes Gutenberg Universitaet
Institut fuer Physik der Atmosphaere
Becherweg 21
55099 Mainz

root@ipamzlx.physik.uni-mainz.de
ohartman@ipamzlx.physik.uni-mainz.de
harto000@trudi.zdv.uni-mainz.de