I just did a reboot. now i have tons of errors like: device-mapper: table: 253:7: multipath: error getting device device-mapper: ioctl: error adding target to table On Jan 7, 2008 5:02 PM, Urs Golla <urs.golla@xxxxxxxxx> wrote: > 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