On Tue, 9 Dec 1997 17:42:26 -0500 (EST)  "Matthew Schnierle" wrote:

> I grabbed a copy of the diskimage to install on an "empty" pmax.  After
> hanging the disk off an old 1.2G installation, I do the following:
> 
> 	disklabel -W /dev/rrz1c
> 
> Which seems to work.  When I try to dd the diskimage by 
> 
> 	gunzip -c diskimage.gz | dd of=/dev/rrz1c bs=10240
> 
> dd fails with something like 
> 
> 	/dev/rrz1c: read-only file system
> 
> or something along those lines.

I'm assuming that rz1 is not the disk you booted off - if so, then all I
can suggest is to try again.  I just tried this myself:

root on balrog:/dlboot0/mona.root
root file system type: nfs
Enter pathname of shell or RETURN for sh: 
Don't login as root, use the su command.
# disklabel rz2
# /dev/rrz2c:
type: SCSI
disk: snark
label: 
flags:
bytes/sector: 512
sectors/track: 57
tracks/cylinder: 14
sectors/cylinder: 798
cylinders: 2570
total sectors: 2050860
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0           # milliseconds
track-to-track seek: 0  # milliseconds
drivedata: 0 

3 partitions:
#        size   offset    fstype   [fsize bsize   cpg]
  a:    65534        0      4.2BSD     1024  8192    16   # (Cyl.    0 - 82*)
  b:   131072    65536     unknown                        # (Cyl.   82*- 246*)
  c:  2050860        0      unused        0     0         # (Cyl.    0 - 2569)
# gunzip -c diskimage.gz | dd of=/dev/rrz2c bs=10240
dd: /dev/rrz2c: Read-only file system
0+1 records in
0+0 records out
0 bytes transferred in 1 secs (0 bytes/sec)
# disklabel -W /dev/rrz2c
# gunzip -c diskimage.gz | dd of=/dev/rrz2c bs=10240
0+8192 records in
0+8192 records out
33554432 bytes transferred in 137 secs (244922 bytes/sec)
# 

Simon.