Re: Help regards lost boot disc label

[mclinch <mclinch%chigwell-school.org@localhost>]

Chris

> mclinch said:
> > Is there any one who can help with a cats server failure? A power cut
> > killed it
>
> We'll try our best 8)
>
> > It refuses to boot saying No disklabel  Input/output error.
>
> hmm, that's rather surprising, the disklabel isn't normally written to
> other than at install time.  Does it list the disk as a device to boot
> from?
Yes
> Does the machine have multiple disks?  I'm wondering if it's trying to
> boot off the wrong disk?
No it lists the disc wd0 and cdrom
> > I have the info on the original disclabel but how can this help me
> > restore the disc if it
> > is salvageable.
>
> How much detail do you have about the disklabel?
I have a complete printed discrption of both the ide disc and scsi disc

> I believe you'd be able to rescue it using some of the utilties on the
> boot/install disk.  I suspect the utility you'd want is disklabel, see 
> the
> online man pages:
> http://netbsd.gw.com/cgi-bin/man-cgi?disklabel+.cats+NetBSD-1.6
Thanks got that down and printed it out
> Note I suspect that others would be able to give better advice, I've 
> never
> had to rebuild a disklabel.
>
> > If I have to reinstall netBSD I would use 1.6.1 which I have an iso
> > image of.
> > I looked inside the iso image and all contents of the sets are .tgz. 
> > Is
> > this all sorted out on installation?
> > I am new to BSD being a unix/linux type as yet.
>
> NetBSD installs using .tgz files, it decompresses them as it goes.  In
> theory the 1.6.1 CD iso should also have an install kernel at the top
> level so you can boot from the disk.
Ah. The image has a folder called cats at top level
I have tried to write the disc image but have got a strange error 
message.
I am using a mac with macOS X.2 and toast titanium, for my sins
> Once you've booted the install kernel it will come up with a menu, if 
> you
> pick exit, you'll be taken to a command line, from which you should be
This sounds good!
> able to run disklabel.
>
> Cheers,
> Chris

TVM

mike