[OpenIndiana-discuss] fuiture small expansion of raidz1 possible?

[Doug Hughes]

On 2/11/2014 5:57 PM, Brogyányi József wrote:
> And on a similar note: Suppose I have a signgle disk with data, and I
> decide I can just afford a raidz1 of 4 disks, so I buy 3 more.... can I
> somehow migrate the data on the original single disk onto a 3 disk
> raidz1 and then add the original disk to that raidz?
>
You do realize that this will be effectively a RAID-0 reliability with 
RAID-5 performance? It's an interesting concept, but I'd be very worried 
about a single block error causing data loss and real problems.

Maybe your window is short enough that you don't mind the risk.

>
> Hi
> Here is the technik:
> http://www.dev-eth0.de/creating-raidz-with-missing-device/
> It must work.
> Brogyi
>
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