[plug] Raid expantion

[Craig Ringer]

> *Usually* no - generally you need to rebuild the RAID and reload your data,
> but it depends on your RAID controller.  Some might allow it, but I haven't
> come across any.  I'm assuming you want to extend your usable storage from
> 18G to 27G, not just add a hot spare?

I think the DPT (internally Adaptec) SCSI RAID controllers allow it. 
Doubt you'll find any SCSI RAID that does, but its not technically 
impossible.

Actually I think the DPT ones might let you add the drive to a /hot/ 
arrary....

-- 
Craig Ringer
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