lvdisplay
vgdisplay
pvdisplay


pvcreate /dev/xvdd1
pvcreate /dev/xvde1


vgextend vg_pgdata /dev/xvdd1 /dev/xvde1

lvextend -l +100%FREE /dev/vg_pgdata/lv_pgdata


-- For EXT4 partitions:
resize2fs /dev/vg_pgdata/lv_pgdata


-- For XFS:
xfs_growfs -d /dev/vg_pgdata/lv_pgdata

-- to avoid WARNING: Not using lvmetad because duplicate PVs were found
-- add in /etc/lvm/lvm.conf
global_filter = [ "a|/dev/xvd*|", "r|/dev/sd*|" ]