Hi Lars, > It'd be helpful if you actually reported which distribution you're > talking about ;-) > luckily you know my situation. > But looking at your version, I guess you might be running SLES9. In > which case SP2 should help address your troubles: > http://portal.suse.com/sdb/en/2005/04/sles_multipathing.html > > Please try and get access to the beta via your support contact. > I'm going to try soon. > > If I insert aliases in multipath.conf and modify udev.rules > I can see > > symbolick links wichi can be used in failover or multibus > (tested) but > > they are not seen by the LVM2 (even modifying the filter in > lvm.conf and > > specifying "types"). > > With those changes LVM2 is supposed to recognize them. Not sure why it > doesn't for you. > > > What devices should the LVM scan to use multipathed PVs? > > Either the /dev/disk/by-*/ files, or /dev/dm-*; either will do. It's > just important that it only uses those paths and doesn't use the raw > disks (/dev/sdX). > /dev/disk/by-*/ can be scanned but they don't work properly on top of multipath since they are linked directly to the "basic devices" /dev/sd*. I really don't understand why /dev/dm-* cannot be scanned properly by the LVM2... Fabrizio