disklabel error in 4.11 release

[Derek Ragona]

At 03:21 PM 4/10/2007, fbsd bsd wrote:
>Hey *, having a bit of a problem with disklabel.  A bit of background.
>
>I'm building a lab with Olive boxes in it 
>(http://juniper.cluepon.net/index.php/Olive), which are basically i386 
>machines running JunOS.  Please note that this whole procedure is entirely 
>unsupported by Juniper and I would never *ever* recommend anyone run 
>production traffic on an Olive box.  At any rate, it requires a base 
>install of FBSD 4.11, which you then do a pkg_add of their software over.
>
>The problem I'm having is that the package add fails every time.  I 
>personally have no experience with disklabel so it took me a bit to track 
>down, but it seems like the raw device is not allowing anything to edit 
>the first sectors.  Keep in mind that an Olive install effectively turns 
>your BSD box into a Juniper box, so the boot procedure will be different, 
>which is why I'm leaning toward this.  Also, this is the output of 
>disklabel querying the kernel, then the device.
>
>
>olive1# disklabel ad4
># /dev/ad4:
>type: unknown
>disk: amnesiac
>label: fictitious
>flags:
>bytes/sector: 512
>sectors/track: 63
>tracks/cylinder: 255
>sectors/cylinder: 16065
>cylinders: 9726
>sectors/unit: 156250000
>rpm: 3600
>interleave: 1
>trackskew: 0
>cylinderskew: 0
>headswitch: 0           # milliseconds
>track-to-track seek: 0  # milliseconds
>drivedata: 0
>
>8 partitions:
>#        size   offset    fstype   [fsize bsize bps/cpg]
>   c: 156250000        0    unused        0     0        # (Cyl.    0 - 9726*)
>olive1#
>olive1#
>olive1#
>olive1#
>olive1#
>olive1#
>olive1# disklabel -r ad4
>disklabel: bad pack magic number (label is damaged, or pack is unlabeled)
>olive1#
>
>
>Attempts to use disklabel -e to edit the device label end in:
>:q
>disklabel: Operation not supported by device
>re-edit the label? [y]: n
>olive1#
>
>Finally, here is the failure of the pkg_add:
>olive1# pkg_add jinstall-7.2R4.2-domestic-signed.tgz
>Verified SHA1 checksum of jinstall-7.2R4.2-domestic.tgz
>Adding jinstall...
>sysctl: unknown oid 'hw.re.model'
>disklabel: bad pack magic number (label is damaged, or pack is unlabeled)
>
>WARNING:     This package will load JUNOS 7.2R4.2 software.
>WARNING:     It will save JUNOS configuration files, and SSH keys
>WARNING:     (if configured), but erase all other files and information
>WARNING:     stored on this machine.  It will attempt to preserve dumps
>WARNING:     and log files, but this can not be guaranteed.  This is the
>WARNING:     pre-installation stage and all the software is loaded when
>WARNING:     you reboot the system.
>
>Saving the config files ...
>Installing the bootstrap installer ...
>disklabel: bad pack magic number (label is damaged, or pack is unlabeled)
>
>WARNING: Failed while trying to install bootstrap loaders
>
>Deleting bootstrap installer ...
>disklabel: bad pack magic number (label is damaged, or pack is unlabeled)
>
>WARNING: This installation attempt will be aborted.
>WARNING: If you wish to force the installation despite these warnings
>WARNING: you may use the 'force' option on the command line.
>pkg_add: install script returned error status
>pkg_add: install script returned error status
>olive1#
>
>
>If anyone has any tips I'd appreciate it.
>


sysinstall will label the disks as part of the install.  Is the hardware 
preventing the boot area from being written to?  It would appear that this 
is the case.

         -Derek

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