Just an update for everyone on this (and for the archives), Did some digging, and had a look at the device mapper config
# dmsetup -C info
Name Maj Min Stat Open Targ Event UUID
mpath0 253 0 L--w 1 1 0
VolGroup00-LogVol01 253 3 L--w 1 1 0 LVM-2sahQifzg9s9k0xSkpnzpGCYd7JNVXzUof6XmQ0fhzJ6jIbQLciAbm6lJLwK0Aex
VolGroup00-LogVol00 253 2 L--w 1 1 0 LVM-2sahQifzg9s9k0xSkpnzpGCYd7JNVXzUt3sJ3nwvJF8cr6ebv5AdnY0j4Ajl6U0I
mpath0p1 253 1 L--w 0 1 0
Those 2 multipath devices shouldn't have been there, and indeed mpath0p1 were my 2 recalcitrant disks.
# dmsetup -C remove mpath0p1
# dmsetup -C remove mpath0
And they were both gone (you need to start at the bottom of the tree when removing them).
A quick fdisk of my disks to create sdb1 and sdc1 partitions, and my array will be synched in 204 mins...:)
Thanks to everyones help for pointing me in the right direction.. It was a trip I would have preferred not to have made, but like all trips like that, it's been illuminating.
Thanks again.
Graham
----- Original Message ----
From: Neil Brown <neilb@xxxxxxx>
To: jahammonds prost <gmitch64@xxxxxxxxx>
Cc: Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>; linux-raid@xxxxxxxxxxxxxxx
Sent: Sunday, 25 February, 2007 11:40:26 PM
Subject: Re: trouble creating array
On Sunday February 25, gmitch64@xxxxxxxxx wrote:
>
>
> Any ideas how to find out what has it open? I can happily write all over the disk with dd... I can create and delete the partition, and it's all good... I will try deleting the sd{b,c}1 partitions, reboot, and see what happens.
>
ls -l /sys/block/*/holders/* ??
NeilBrown
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