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