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Date:      7 Mar 1999 14:20:29 +0100
From:      naddy@mips.rhein-neckar.de (Christian Weisgerber)
To:        freebsd-scsi@freebsd.org
Subject:   Wangtek 51000HT tape drive
Message-ID:  <7btuet$451$1@mips.rhein-neckar.de>

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I moved my Wangtek 51000HT QIC-1000 drive from a Linux box, where it
worked flawlessly, to my FreeBSD (4.0-CURRENT) box. Here's how the drive
is detected:

  sa0 at ncr0 bus 0 target 6 lun 0
  sa0: <WANGTEK 51000 SCSI RVM7 5F5> Removable Sequential Access SCSI-CCS device
  sa0: 3.300MB/s transfers

Now I'm trying to run a backup, "dump 0af /dev/nrsa0 / && dump 0af
/dev/nrsa0 /usr". The first dump gets written fine, however when the
second one starts writing to the tape during Pass II, I get an error and
this:

  (sa0:ncr0:0:6:0): WRITE(06). CDB: a 0 0 28 0 0
  (sa0:ncr0:0:6:0): ILLEGAL REQUEST

Repeating this with cpio, writing the first archive succeeds, however
writing a second one after that to the tape aborts with

  (sa0:ncr0:0:6:0): WRITE(06). CDB: a 0 0 78 0 0
  (sa0:ncr0:0:6:0): ILLEGAL REQUEST

Oh, and right now the kernel tells me

  (sa0:ncr0:0:6:0): WRITE(06). CDB: a 0 0 28 0 0
  (sa0:ncr0:0:6:0): ILLEGAL REQUEST csi:0,8,0,0

right away in response to a freshly inserted tape.

I kind of need this drive to do backups. Now, I'm one of those people
who treat SCSI as "plug & play", i.e. I'm used to it just working. I
guess the drive requires a "quirk" entry. Any suggestions how to
proceed?

-- 
Christian "naddy" Weisgerber                  naddy@mips.rhein-neckar.de
    100+ SF Book Reviews: <URL:http://home.pages.de/~naddy/reviews/>;



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