Re: migrating from RAID5 to RAID10

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>> Do you currently run RAID5 with just 2 drives, in degraded mode, or
>> maybe you meant something else?
>
> No, it is not degraded, it's a clean 2-drive RAID5. I know it doesn't
> make much sense as it is ;-)  the intent was to grow the array later,
> relying on mdadm's grow feature. Right now, I'm guessing that it
> operates like a RAID1 for all practical purposes.

Actually No. If it is RAID-5 as you claim, then currently it is
effectively a RAID-0.

RAID-5 is Striping with Distributed Parity and requires a *minimum* of
3 disks. Two disks, regardless of how you got there, is considered a
degraded state.


-- 
Drew

"Nothing in life is to be feared. It is only to be understood."
--Marie Curie
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