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? -Hal On Mon, Oct 24, 2011 at 8:48 AM, Matecki, Lukas <Lukas.Matecki@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... > > Greetings > > Luke > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
