Dne 13. 08. 19 v 9:11 Christoph Pleger napsal(a):
Hello,
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@host:/home/linux# /sbin/dmsetup info -c -o name --noheadings /dev/vg/lv20
Device does not exist.
Command failed
root@host:/home/linux# lvdisplay -c /dev/vg/lv20
/dev/vg/lv20:vg:3:1:-1:0:4194304:512:-1:0:-1:253:19
root@host:/home/linux# mount /dev/vg/lv20 /mnt
root@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?
Hi
Have you tried strace ?
Are you using this only in singly machine with properly running udev ?
Kernel version, lvm version, distribution... ?
Zdenek
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