> On Monday May 21, [EMAIL PROTECTED] wrote:
> > One could start a RAID 4/5/6 array over a degraded RAID1 for each
> > component, (i.e., a degraded RAID1).
That was supposed to say "a degraded RAID5+1".
On Tue, May 22, 2007 at 10:40:15AM +1000, Neil Brown wrote:
> This doesn't really have anything to do with the metadata used - it is
> primarily an implementation issue (though you would need to be careful
> picking up the pieces after a crash).
Right. Doing it all automatically would be great, but involves some
kernel work.
What I was suggesting is that one administratively stop an array
built conventionally, and manually start a degraded RAID1 for each
component. It seems that is possible using "--build". Then one can
manually assemble the RAID5+1 from those RAID1s, and proceed with the
disk-by-disk replacement while the array is online. Looks as if that
ought to be possible. I'll have to give it a try, as soon as I have an
afternoon to tinker [say, ... mid-summer :-/].
Many thanks, Neil.
-Bill
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