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Article #497

Attaching Conner SCSI Harddisk

#497
From: Stefan Runge
Date: Wed, 08 Apr 1992 14:29
51 lines
2157 bytes
Hi out there!

I have a problem attaching my old Mac harddisk to the Next.
It it a Conner CP 3040A set to SCSI-ID 2 (external)

When i want to initialize it with the disk command:
	# disk -i /dev/rsd1a
following error occurs:
	disk name: CONNER CP3040A-40mb-3.5
	disk type: fixed_rw_scsi
	writing disk label
	creating new filesystem on /dev/rsd1a
	/usr/etc/newfs -n -v /dev/rsd1a
	/etc/mkfs /dev/rsd1a 40880 40 2 8192 1024 32 10 60 4096 t
	/dev/rsd1a:     40880 sectors in 511 cylinders of 2 tracks, 40 sectors
	        41.9Mb in 16 cyl groups (32 c/g, 2.62Mb/g, 576 i/g)
	super-block backups (for fsck -b#) at:write error: 32
	wtfs: I/O error
	/usr/etc/newfs /dev/rsd1a failed (status 1)

The formatter App by Rory Bolt says the following:
	Unable to format disk due to error in mode select command.

formatter gives me the following /etc/disktab entry:
# CONNER CP3040A-40mb-3.5
CP3040A-40mb-3.5|CONNER CP3040A-40mb-3.5|CONNER CP3040A-40mb-3.5 w/512 byte  
sectors as 1 partition:\
	:ty=fixed_rw_scsi:nc#1026:nt#2:ns#40:ss#1024:rm#3600:\
	:fp#160:bp#0:ng#0:gs#0:ga#0:ao#0:\
	:os=sdmach:z0#32:z1#96:r0=a:\
	:pa#0:sa#40880:ba#8192:fa#1024:ca#32:da#4096:ra#10:oa=time:\
		:ia:ta=4.3BSD:

Then i tried it with disk -i and specifing a disktab entry:
	disk -i /dev/rsd1a -t CP3040A-40mb-3.5
and it's the same!!!

BUT: Accessing it with tar cvf /dev/rsd1a * works.
So the Next can access the harddisk. (Or am i wrong???)
I understand that Next can only do asynchonous data transfer. A hardware  
support here in germany told me that the CP3040A con ONLY work asynchonous.

So what's the error here???

Many many thanks in advance,
stefan
--
Stefan Runge
megatel GmbH, Wienerstr. 3, D-2800 Bremen 33, Germany
NeXTMail: stefan@megatel.de
---
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Message-ID: <1992Apr8.142930.987@megatel.de>
Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!unido!megatel.de!stefan

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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!unido!megatel.de!stefan
From: stefan@megatel.de (Stefan Runge)
Newsgroups: comp.sys.next.sysadmin
Subject: Attaching Conner SCSI Harddisk
Message-ID: <1992Apr8.142930.987@megatel.de>
Date: 8 Apr 92 14:29:30 GMT
Sender: stefan@megatel.de
Reply-To: stefan@megatel.de (Stefan Runge)
Organization: megatel GmbH, Bremen, Germany
Lines: 51