read the named devices.
.IP \[bu] 2
-LVM udev rules and systemd services are used to intiate automatic device
+LVM udev rules and systemd services are used to initiate automatic device
scanning.
.IP \[bu] 2
for metadata with the command pvscan \-\-cache.
.IP \[bu] 2
-lvmetad ignores older metadata formats, e.g. lvm1, and should not be
-used if they exist.
+lvmetad does not cache older metadata formats, e.g. lvm1, and will
+be temporarily disabled if they are seen.
.IP \[bu] 2
To notify lvmetad about a device that is no longer present, the major and