[linux-lvm] Remove a LUN from a LVM mirror cause logical volume not response
hal.martin at gmail.com
Mon Oct 24 13:29:14 UTC 2011
I don't have experience doing exactly what you're doing, but have you
checked that multipath is failing over correctly when your SAN is
missing a LUN?
Can you post the output of that command with '-vvvv' added?
On Mon, Oct 24, 2011 at 8:48 AM, Matecki, Lukas <Lukas.Matecki at lvr.de> wrote:
> Second try this time with the right subject, sry Monday -.-
> Hallo List,
> We are using LVM with SAN and multipathd. I try to setup mirroring with LVM. So I do pv create on a mpath device. vgcreate, add the pv to the vg, create a lv and setup a mirror with this:
> lvconvert -m1 vg<name>/lv<name> /dev/mapper/mpath0 --mirrorlog core
> My intention is to create a logical volume which can handle SAN Disk failure.
> But in this shown setup i get a error (unavailable logical volume) when one of the san LUNS is missing.
> Can this system work or did i need to setup a mdadm device before pvcreate ?
> Hope you can help me because Redhat can't... them sitting two weeks on this error / miss configuration without any solution...
> linux-lvm mailing list
> linux-lvm at redhat.com
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
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