Markus W Kilbinger writes:
> >>>>> "Greg" == Greg Oster <oster@cs.usask.ca> writes:
> 
>     Greg> Well... if you have hot-swap drives, then you could just
>     Greg> stuff the new drive in place of the old one, and not worry
>     Greg> about doing a copyback.. (i.e. the new drive you put in
>     Greg> becomes the hot spare).
> 
> Hmm, how to come!? The old/new drive still has state 'failed', the
> spare is 'used_spare'. So, what will happen if another drive fails in
> this stage? 

You stuff another drive into the box, hot-add it, and rebuild to it :)

> How will the 'failed' drive become the new spare _without_ reboot?

You stuff a fresh drive into that slot, and when a different drive fails, 
rebuild to the fresh drive.  Not quite the same as a spare, but works much
the same. :)

>     Greg> If you don't have hot-swap drives, then you'll have to take
>     Greg> things off-line anyway, and at that point you can just
>     Greg> shuffle the disks around :)
> 
> Yeah, but that's what I want to avoid in my (academic) scenario... ;-)
> 
>     -> send-pr?
> 
>     Greg> If you'd like. There may already be a PR, but I don't recall
>     Greg> for sure.. I do know that this issue is on my RAIDframe
>     Greg> "todo" list..
> 
> Ok, that's sufficient! ;-)

:)


Later...

Greg Oster