-- Rich Turner <rich@storix.com>
The following is a situation where LVM fails.
Previously, I installed a system and created a physical volume on an
entire disk. I am now re-installing the system and have created a
physical volume on a partition on the same disk. The partition was
created with sfdisk. I am able to create volume groups and logical
volumes with no problem.
The problem arises after a reboot of the system. vgscan fails to find
any volume groups. pvscan finds physical volumes on both the disk and
the partition. It appears LVM fails when creating a physical volume on a
partition of a disk when there was previously a physical volume on the
same entire disk.
Using LVM 1.0.1
(1) 1.0.1 is pretty badly out of date; suggest updating to
1.0.6 or 2.X.
(2) Running pvcreate on a full device (e.g., /dev/hda) then
again on /dev/hdaX will end up overwriting a portion of
the contents in your first PV with the second one. LVM
did exactly what you wanted it to. How is the a bug.
--
Steven Lembark 2930 W. Palmer
Workhorse Computing Chicago, IL 60647
+1 773 252 1080
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