In article <slrnc20erp.802.devin@bofh.thecabal.internal>,
"Devin L. Ganger" <devin@thecabal.org> wrote:

> On Tue, 03 Feb 2004 15:19:38 -0800, "Michael Vilain <vilain@spamcop.net>"
> <> wrote:
>
> > Yes, my mistake. Brain stuck in "VxVM == VxFS", even though I typed it
> > several times. Using VxVM still _may_ imply some sort of RAID, which is
> > also not allowed by the the OBP. Solaris can boot an encapsulated root
> > volume, but not a RAID<anything> unless it's hardware RAID.
>
> It is possible to boot from a mirrored (RAID-1) root partition using
> UFS filesystems and VxVM, using non-hardware RAID.

Yes, if it's encapsulated. If you create a volume from two plexes, then
put the OS on them, I don't think you'll be able to boot from that
configuration. I think the OPB needs a slice that's got a bootblock and
creating an encapsulated root drive will do that. Then you can mirror
it with another drive. I sort of think of this as a special case of
mirroring because other volumes aren't mirrored in the same way.

--
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