[linux-lvm] dmsetup says "Device does not exist", though it exists
zkabelac at redhat.com
Tue Aug 13 13:54:12 UTC 2019
Dne 13. 08. 19 v 9:11 Christoph Pleger napsal(a):
> I have a volume group with 20 logical volumes. Only the last one of these
> volumes has a strange problem with dmsetup, shown by these commands and output
> on the command line:
> root at host:/home/linux# /sbin/dmsetup info -c -o name --noheadings /dev/vg/lv20
> Device does not exist.
> Command failed
> root at host:/home/linux# lvdisplay -c /dev/vg/lv20
> root at host:/home/linux# mount /dev/vg/lv20 /mnt
> root at host:/home/linux# ls /mnt
> lost+found data1 data2
> That is, dmsetup says "Device does not exist" about a logical volume, though
> the volume exists and is operating normally. What is the possible problem here?
Have you tried strace ?
Are you using this only in singly machine with properly running udev ?
Kernel version, lvm version, distribution... ?
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