Re: [PATCH] Enable `grub-probe -t device' resolution on ZFS

[Seth Goldberg]

 You need to ensure that the deivce given isn't degraded.  It's certainly 
possible to boot with a mirrored root with one device degraded.  If you choose 
that device for grub-setup, you may fail to write to it or you may succeed, 
but something else may prevent it from being accessible on boot.

 --S

Quoting Robert Millan, who wrote the following on Fri, 30 Jul 2010:

> 2010/7/30, Seth Goldberg <address@hidden>:
> > Don't forget to check the state of the device also.
>
> Can you be more specific?  I notice a "state" integer variable associated
> with the pool (none associated with the device), which has a zero-value in
> my case (I assume this indicates no error).
>
> What kind of errors can it indicate?  Should we care even?  Keep in mind
> this routine is, given a pool that is known to be mounted, merely determining
> its underlying devices, not asserting anything about its well-being.
>
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