Subject: Re: 1.2 and CCD headache.
To: Jason Thorpe <firstname.lastname@example.org>
From: michael smith <email@example.com>
Date: 12/27/1996 00:36:12
Jason Thorpe wrote:
> > # size offset fstype [fsize bsize cpg]
> > a: 638946 414 4.2BSD 1024 8192 16
> > c: 639630 0 unknown
> > They ccdconfig together just fine, but when I go to edit the
> > disklabel on the ccd ('disklabel -e ccd0') and then save, I
> > get :
> > disklabel: ioctl DIOCWDINFO: Read-only file system
> Are you using the "a" partition of the component disks? Hmm.. If you'e
> getting EROFS, it's likely that one of your components falls on the
> label area of a component disk... the label area is protected from writing
> during normal operation.
Yes, I'm using the 'a' partitions (that's why they're there 8). As
200K away from the start of the disk, I have trouble understanding why
would overlay the label.
> Can you send me the output of "ccdconfig -g"?
ccd0 46 0 /dev/sd2a /dev/sd3a /dev/sd4a
All three disks are labelled identically :
disk: CDC Wren IV 941
total sectors: 639630
headswitch: 0 # milliseconds
track-to-track seek: 0 # milliseconds
# size offset fstype [fsize bsize cpg]
a: 638946 414 4.2BSD 1024 8192 16 # (Cyl. 1 -
c: 639630 0 unknown # (Cyl. 0 -
> Jason R. Thorpe firstname.lastname@example.org
Mike Smith *BSD hack Unix hardware collector
The question "why are the fundamental laws of nature mathematical"
invites the trivial response "because we define as fundamental those
laws which are mathematical". Paul Davies, _The_Mind_of_God_