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Re: [linux-lvm] Cannot access logical volume (open count=1)



I'm learning as I go here, I had never heard of Linux LVM until yesterday. This is a plain vanilla fedora installation. /dev/sdb2 contains the root and swap logical volumes. /dev/sdb1 is home. kpartx -a /dev/sdb creates /dev/sdb1 and /dev/sdb2, and kpartx -d /dev/sdb deletes both of them. Neither state made a bit of difference as far as accessing 'home'.

Pvscan shows one pv: /dev/sdb2.

BTW, I forgot to mention that I'm booting from the latest Ubuntu rescure remix CD (10.10). My Fedora CD won't boot - it loops during boot. Someone suggested Knoppix, but that loops also.


On 2/10/2011 5:53 PM, Ray Morris wrote:
   Check whether the LV has a partition on it.
(fdisk -l /dev/vg*/home)  If so, use kpartx -dvv
to close it.

The disk (sdb) has one vg and three lv's on it
/proc/mounts shows /dev/sdb1 mounted
   If /dev/sdb1 is mounted, does that mean there's
a /dev/sdb2 which is a PV?


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