[7033] in linux-scsi channel archive
severe linux problems with scsi tape
daemon@ATHENA.MIT.EDU (Roland Boden)
Mon Aug 23 09:45:39 1999
From: "Roland Boden" <rb@activelink.de>
To: linux-scsi@vger.rutgers.edu
Date: Mon, 23 Aug 1999 15:30:03 +0100
Hi,
I'm not sure to address the right person(s), the mail address is from the MAINTAINERS list from
the linux kernel sources.
We have a linux on PC running and had some serious problems running a backup on the scsi tape.
Maybe you can help or tell me who can.
First we sometimes had "mysterious" problems with the pc when running the backup. Sometimes the
backup process hung and even sometimes linux hung (so I must hardware reset the machine).
I then checked the scsi bus (termination, cable length etc.) and made some modifications. I
also upgraded the kernel to version 2.0.36 because I heard that the aha-drivers should be much
more stable. The scsi checklist I took from SuSE's support database.
Since then everything worked fine until one day...
The system crashed with a lot of file system errors and e2fsck was not able to repair the file
system structure. A lot files were lost and the system could not be booted. So I had to restore
the files from the last backup. I then immediately made the backup again and ... the system
crashed again ... (same story). I think i did it three times until I realized that there must
be something wrong with the tape. I could not read the tape where the backup was stored (the
backup when the system crashed). When reading the tape the system crashed again (with destroyed
file system). I only could read the first part of the tape but not until the end.
That's the story. I changed the tape and since then everything works fine (until the next tape
will fail...?).
The machine configuration is:
PC with Cyrix CPU 120 Mhz, 48 MB RAM
SCSI:
Controller :Adaptec 1542 , ID=7
HDD: IBM DCAS-34330, 4 GB, ID=0
Tape: HP C1533A, ID=2
CDROM: Toshiba XM-5701TA, ID=3
ISDN: Teles S0
Network: NE2000 compatible PCI adapter
running the SuSE Linux distribution 5.2 with some partially upgrades, especially kernel update
2.0.36.SuSE
If you have any idea what went wrong or what I can do, please tell me.
Thanks, Roland Boden
(sent again because of invalid reply to)
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