Re: HAMMER hosed?

[Bill Hacker <wbh@xxxxxxxxxxxxx>]

Simon 'corecode' Schubert wrote:
> Bill Hacker wrote:
> > Hi Simon, Thanks for the quick reply...
> >
> > The install would have used whatever the default was as of the
> > DEVELOPMENT snapshot of just a few days ago.
> >
> > DFLY was happy cooperating with the (at the time) DFLY, Slackware,
> > OpenBSD, NetBSD and each booted fine off the new DFLY bootloader.
> >
> > FreeBSD 8- December snapshot was used to change the type of the second
> > slice, sub-partition it, then install itself to replace Linux.
> >
> > Bad move, as along the way it screwed the hammerfs-bootable DFLY somehow.
> >
> > fdisk sees what was expected.
> >
> > The other three OS'en still boot and run nomally.
> >
> > Selecting DFLY (F1) returns 'invalid partition'
> >
> > What I get with either disklabel or disklabel64 off the DFLY
> > Live/Install CD is:
> >
> >  'bad pack magic number'
> >
> >
> > Attempts to edit the label give:
> >
> > 'Operation not supported by device'
> >
> >
> > Now - IF I knew what bits or bytes to change and where, I'm happy to go
> > after it with a hex editor... or dd. or whatever.
> >
> > But I had not made a disklabel copy, so ....
>
> you could post the output of
>
> dd if=/dev/adXXsYY count=4 | hd
>
> for us to debug.  Alternatively, you can try killing the disklabel with
>
> dd if=/dev/zero of=/dev/adXXsYY count=4
>
> and then re-creating it.  it basically has to read:
>
> a: * 0 HAMMER
> b: $SWAPSIZE * swap
>
> where swapsize is the value you entered in the installer.  The default 
> value depends on your memory size and is 
> 2*next_power_of_2(your_memory_in_MB) MB.
>
> cheers
>  simon

I've gotten into disklabel -e mode with NetBSD.

Not going to change anything just yet, but rather write what it sees, do 
the same with OpenBSD and FreeBSD (perhaps even a Linux).

Will post those as well as the dd output 'shortly'.

Thanks,

Bill