Re: ZFS the perfect FS? if only...

From: Elliot Finley <efinley_at_efinley.com>
Date: Fri, 11 May 2007 11:41:13 -0600
On Fri, 11 May 2007 00:09:52 +0200, you wrote:

>Elliot Finley wrote:
>> If you could start with a 3 drive zraid2 as the underlying pool
>> storage and later add drives to the existing zraid2 as space was
>> needed, then ZFS would be the ultimate FS (at least for me).
>> 
>> Any takers?  How hard would this be?
>
>Isn't zraid2 like RAID6, e.g. includes 2 "parity" components? How do you
>propose to redistribute the parity blocks after a disk is included in
>already functioning RAID5 or RAID6 volume?
>
>(hint: http://en.wikipedia.org/wiki/RAID5#RAID_5)

The new 3Ware cards do Online Capacity expansion.  So it's obviously
not impossible.
Received on Fri May 11 2007 - 16:13:06 UTC

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