Skot wrote:

> Hello all,
>
> I'm running SCO OSR5.07. My IBM DDS4 SCSI tape drive was getting really
> slow durring the night and I noticed a lot of File Syncronization [W011]
> and 1 block checksum errors [W033] from BRU
>
> So I got a new tape drive, identical to the old one. All the functions
> work except it can't read or write to the tapes. SCSI BIOS detects it
> fine, OSR drivers seem to be loaded fine, tape commands rewind and
> unload the tape, but BRU hangs when trying to write to the device.
>
> At one point OSR5 complained about a SCSI Parity error, but I could only
> get that once, now all I can get it to do is hang BRU so it can't even
> be killed.
>
> NOTICE: Stp: Error on SCSI tape 0 (ha=0 bus=0 id=6 lun=0)
> Command aborted: Drive detected a SCSI parity error
>
> This error showed up on the screen, and in the syslog, but not in the
> BRU log. I shut the system down, checked all cables and connections,
> dbl checked the jumpers and started it back up, now all I get is BRU
> stuck trying to write a test directory.
>
> Is there anything I need to do to for the new drive, or maybe I just got
> lucky and got a bad one?
>
> Any help is appreciated.
>
> cheers
>
> Skot

Carefully check the dip switches on the old and new drives. Make the new
one look like th old one.

I'll bet hardware compression settings are different between the drives.

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