<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body bgcolor="#ffffff" text="#000000"> Thanks so much! now it does work ok. Best regards Mariano <blockquote cite="mid462DDC87.5040808@redhat.com" type="cite"> <pre wrap="">Mariano Gonzalvo wrote: </pre> <blockquote type="cite"> <pre wrap="">Hi, I'm trying to configure lvm2 on top of drbd. I've configured drbd (/dev/drbd0 and /dev/drbd1) and put them as primary node, but when I try to create a physical volume this is what it does happens pvcreate /dev/drbd0 Physical volume "/dev/drbd0" successfully created pvdisplay --- NEW Physical volume --- PV Name /dev/md4 VG Name PV Size 129,45 GB Allocatable NO PE Size (KByte) 0 Total PE 0 Free PE 0 Allocated PE 0 PV UUID MtxjHy-8zfW-i9nq-TJA4-b6F9-jtcW-FkanLB /dev/md4 is the raid device over was configured drbd0. Why /dev/md4 it's taken as PV Name? </pre> </blockquote> <pre wrap=""> It's trying to be helpful! Normally people build MD devices out of other devices and so LVM uses the MD in preference to other devices it finds with the same UUID. You'll need to exclude the MD device in the /etc/lvm/lvm.conf filters entry. something like: filter =[ "r/md4/" ] </pre> </blockquote> </body> </html>