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Jaz drive on OpenBSD/pmax 2.2



Hi,

Can anyone advise what parameters to use for disklabel-ing the 1GB Jaz
disk under OpenBSD 2.2 on pmax (DECStation 5000/133)? I have just about
managed to get it going but something isn't quite right. I get occasional
kernel messages: 

Dec 29 21:24:04 una /bsd: asc_intr: IN: dmalen 10 len 0 fifo 1

which go away if I disconnect or not use the Jaz drive. Also if I try to
dump the Jaz disk onto a 4mm tape I get: 

root una:/root # /sbin/dump -0ua -f /dev/nrmt0 /usr/src                         
  DUMP: Date of this level 0 dump: Tue Dec 30 23:24:17 1997                     
  DUMP: Date of last level 0 dump: the epoch                                    
  DUMP: Dumping /usr/src to /dev/nrmt0                                          
  DUMP: bad sblock magic number                                                 
  DUMP: The ENTIRE dump is aborted.                                             
root una:/root # 

I am currently using the following /etc/disktab entry:

jazz|JAZZ|Iomega Jazz 1GB removable drive:\
        :dt=SCSI:ty=winchester:ns#32:nt#64:nc#1018:\
        :pc#2084864:oc#0:bc#8192:fc#1024:\
        :pg#2084864:oc#0:bc#8192:fc#1024:

Any suggestions? BTW, tar works fine...
Thanks in advance..

--Nino

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Nino Margetic <nino_(_at_)_well_(_dot_)_ox_(_dot_)_ac_(_dot_)_uk>   |   http://www.well.ox.ac.uk/~nino
The Wellcome Trust Centre for Human Genetics, University of Oxford.
Tel: 44 1865 740005  |  Fax: 44 1865 742196  |   GSM/SMS: 44 385 291920
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