[linux-lvm] LVM2 not function

[Ken Fuchs]

>Please run "vgscan -ay" as this command will activate
>all the VGs and hence the LVs in your system.

The correct sequence of commands is:

vgscan
vgchange -a y

>>  I used LVM come with Redhat9 on my desktop computer.  Recent days I
>>want to upgrade my kernel to 2.6.0-test11 which needs LVM2 to work with
>>the device-mapper.  To be more up to date, I also recreated the lvs to
>>use lvm2 metadata.  But when I rebooted the computer, new created lv
>>can't mount.  It said it's not a valid block device.  So I check the
>>status with "lvm lvscan", it showed that these lv turned to be inactive.
>> So I removed and recreated these lv.  Right after creation, these lvs
>>were ACTIVE and mountable, but after reboot, they became inactive and
>>unusable again.  Does anyone have clue?

Sincerely,

Ken Fuchs <kfuchs at winternet.com>