Hi Thank you for your reply! Using "mapper" instead of mpath did it! hm... i think the partition (mpath0p1) is just "/boot" and mpath0p2 is the rest. this would mean, everything is ok now? cheers On 1/7/08, malahal@xxxxxxxxxx <malahal@xxxxxxxxxx> wrote: > Urs Golla [urs.golla@xxxxxxxxx] wrote: > > Hi > > > > I would like to boot RHEL5 from SAN. If I install with the "mpath" > > parameter I can see the mapper/mpath0 device and the installation > > completes without any errors. > > > > It boots from SAN and everything looks ok (well, lets say its > > working). If i add this lines to /etc/lvm/lvm.conf > > > > types = [ "device-mapper", 1] > > "filter = [ "a/dev/mpath/.*/", "r/.*/" ]" > > Try "mapper" instead of "mpath" above to handle partitions on your > devices. > > > and remove the blacklist lines from /etc/multipath.conf as described > > in the "Native Multipath Failover Based on DM-MPIO for v2.6.x Linux > > Kernel and EMC(R) Storage Arrays" manual the pvscan command returns > > with " No matching physical volumes found". Why? > > > > If I remove the filter line from lvm.conf the pvscan & pvdisplay > > command returns: > > > > (...) > > PV Name /dev/mapper/mpath0p2 > > (...) > > > > Why is it using mpath0p2 and not mpath0? /dev/mapper/mpath0 does exist > > and points to the right disks, because "multipath -ll" gives me > > something like that: > > You must be having partitions on your disk (either you did or the > installer did for you). > > -- > dm-devel mailing list > dm-devel@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/dm-devel > -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel