On 26/10/2011 03:43, NeilBrown wrote:
The following series - on top of my for-linus branch which should appear in 3.2-rc1 eventually - implements hot-replace for RAID4/5/6. This is almost certainly the most requested feature over the last few years.
Fantastic news - well done, and thanks for all your work (and to the other md developers too, of course).
I hope to submit this together with support for RAID10 (and maybe some minimal support for RAID1) for Linux-3.3. By the time it comes out mdadm-3.3 should exist will full support for hot-replace.
Hot-replace for RAID1 is surely just a normal "add", a resync, a "fail", and a "remove"? So support here should be mainly about the consistency, such as supporting the same "replaceable" tag. RAID10, I imagine, would be more complicated.
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