Extending PV/VG/LV on iSCSI

Extend iSCSI storage

Stop LV on all nodes except one

Rescan iSCSI node on one host

# iscsiadm -m node -R

Resize PV

# pvresize /dev/<disk/part>

Execute vgs and verify extended size visible as free space

Extend LV

# lvextend -l +100%FREE /dev/<vg>/<lv>

On all other nodes run

# iscsiadm -m node -R
# pvscan