I have also this problem with 11.10. My root device is just a normal SSD, but the /home logical volume and an additional logical volume is a lvm which currently only has /dev/md0 as physical disks. /dev/md0 is a raid 1 with /dev/sda1 and /dev/sdc1 in it.
** Attachment added: "bootchart" https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/880266/+attachment/2662566/+files/xpc-oneiric-20120107-3.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/880266 Title: oneiric boot sequence very slow with lvm To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/880266/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs