* activating spares
@ 2010-03-10 7:43 Keld Simonsen
2010-03-10 9:18 ` Neil Brown
0 siblings, 1 reply; 2+ messages in thread
From: Keld Simonsen @ 2010-03-10 7:43 UTC (permalink / raw)
To: linux-raid
Hi
I made a raid10,f2 arrray (actually 2 arrays) with only one
active disk, one missing. This was after 2 disks were found faulty,
and I then copied the data from my faulty raid to the new raid, and
installed my other new 2 TB disk. I added the new disk with
mdadm /dev/md9 --add /dev/sdg1
and it was then listed as a spare. I wanted to activate it, and thought
that --add ing it would automatically start resyncing, but no...
I then tried to force resyncing by
mdadm -A /dev/md9 --update resync
but it did not work either. Now I am lost. How do I activate the spare?
kernel 2.6.12 mdadm v1.12.0
best regards
keld
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: activating spares
2010-03-10 7:43 activating spares Keld Simonsen
@ 2010-03-10 9:18 ` Neil Brown
0 siblings, 0 replies; 2+ messages in thread
From: Neil Brown @ 2010-03-10 9:18 UTC (permalink / raw)
To: Keld Simonsen; +Cc: linux-raid
On Wed, 10 Mar 2010 08:43:43 +0100
Keld Simonsen <keld@keldix.com> wrote:
> Hi
>
> I made a raid10,f2 arrray (actually 2 arrays) with only one
> active disk, one missing. This was after 2 disks were found faulty,
> and I then copied the data from my faulty raid to the new raid, and
> installed my other new 2 TB disk. I added the new disk with
> mdadm /dev/md9 --add /dev/sdg1
> and it was then listed as a spare. I wanted to activate it, and thought
> that --add ing it would automatically start resyncing, but no...
> I then tried to force resyncing by
> mdadm -A /dev/md9 --update resync
> but it did not work either. Now I am lost. How do I activate the spare?
>
> kernel 2.6.12 mdadm v1.12.0
Wow, that's OLD!..
Maybe try a newer kernel, it has probably been fixed.
Yes, --adding the device could cause it to store recovery. I do recall there
have been a few different situations that caused that not to work, but I
don't recall the details.
If you have a service contract, complain to your vendor. If not, upgraded to
something a bit less than 5 years old ;-)
sorry I cannot be more helpful.
NeilBrown
>
> best regards
> keld
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2010-03-10 7:43 activating spares Keld Simonsen
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