In the process of rebuilding a degraded two-disk software RAID
(mirror) on a G4 xserve per the instructions at
<http://docs.info.apple.com/article.html?artnum=106987>, I now
have a two-disk RAID with both drives back as 'Online' but also
an additional third 'phantom' slice with the same device node as
one of the others, yet no UUID and a 'Missing/Damaged' status:
The man page for diskutil says that the slices to be removed can
be specified as oldDisk or oldUUID, where oldDisk can be a
Device Node or Disk Identifier (of which Device Node is the
only option here since this slice has no UUID). I've tried
running 'diskutil removeFromRAID' to remove this phantom slice,
but the command
diskutil removeFromRAID Unknown disk2
yields the error "Could not find the disk to remove from the
RAID" and the Device Node of "Unknown" is all I have to use
here. Is there anything that can be done to remove this extra
phantom slice, aside from removing one of the (online) drives
and rebuilding the RAID again? Thanks for any suggestions.
--
-- Michael Dunston
-- Music and Technology
-- Virginia Tech Department of Music
-- <http://www.music.vt.edu/faculty/dunston/>
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