Re: Reshaping RAID-0?

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On 04/02/2011 23:32, Patrick J. LoPresti wrote:
Well, it has been 11 months since I last asked
(http://www.spinics.net/lists/raid/msg27676.html), and some recent
patches mention this in the context of "imsm", whatever that is...

So, is it possible to add a disk to a Linux md RAID-0 array and
re-stripe?  If so, what is the procedure and the required kernel/mdadm
version(s)?

If not, and if I want to contribute to an implementation effort, where
would I begin?

Thanks!

I think the capability is in mdadm 3.2, a developer-only release about 4 days ago, or it's in Neil Brown's 3.2 devel branch. Take a closer look at the list archives for the last few days.

As for using it, it'll be the usual syntax, e.g. `mdadm /dev/mdX --add /dev/newdisc; mdadm /dev/mdX --grow --raid-disks=3`.

Hope this helps.

Cheers,

John.

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