LVM needs 3 devices for a mirror device: two for the mirror devices and one for the disk log.
The error message is not very straightforward, however, this should be fixed upstream if it really needs a fix.
For further information please read the lvcreate(8) manual page.
LVM needs 3 devices for a mirror device: two for the mirror devices and one for the disk log.
The error message is not very straightforward, however, this should be fixed upstream if it really needs a fix.
For further information please read the lvcreate(8) manual page.