ZFS rootfs on G5 970MP

[Nathan Whitehorn]

It's some very low-level bug in the boot loader -> kernel init  
transition, so kdb and such are unlikely to be helpful.
-Nathan

On Mar 2, 2012, at 3:31 PM, Lucas Yamanishi wrote:

> I have to bring up another machine next week.  I was going to just dd
> the disk, but I'll try again if it'll be any help.
>
> Are there any kdb commands I should run when I get there?
>
>
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> ##########################################################
> ## Lucas Yamanishi                                      ##
> ## Systems Administrator, ADNET Systems, Inc.           ##
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>
> On 03/02/2012 04:13 PM, Nathan Whitehorn wrote:
>>
>> On Mar 2, 2012, at 10:29 AM, Lucas Yamanishi wrote:
>>
>>> Is it possible?
>>>
>>> I tried using 9.0-RELEASE.  I followed the UFSBoot guide from the  
>>> wiki
>>> using a UFS /bootdir slice.  Everything was done to the T.  zfs and
>>> opensolaris modules were specified in loader.conf.  Unfortunately  
>>> when I
>>> rebooted I got this error:
>>>
>>> <pre>
>>> Trying to mount root from zfs:zroot []...
>>> Mounting from zfs:zroot failed with error 2: unknown file system.
>>>
>>> Loader variables:
>>> vfs.root.mountfrom=zfs:zroot
>>> </pre>
>>>
>>> At this point I've settled for a UFS root with ZFS /var, /tmp,  
>>> and /usr
>>> sub-hierarchies.  Sorry, that means no logs, no kbd.
>>
>> It looks like there's a bug in the ppc64 loader(8) that prevents  
>> module
>> preload from working properly. I'll see if I can track it down, but  
>> am
>> very short on time at the moment (help appreciated).
>> -Nathan
>>
>