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Thursday, November 02, 2017

Extend LVM with a new disk

partprobe 
cat /proc/partitions - note the un-partitioned drive (ex: there is a /dev/xvdX but not /dev/xvdX1) 
cfdisk /dev/xvdX - create new partition, type 8e (LVM) 
pvcreate /dev/xvdX1 
vgdisplay  - note the VG name (in my case is "vg_bkp_vol_1")
vgextend vg_bkp_vol_1 /dev/xvdX1 
pvscan 
lvdisplay  - note the LV path (here "/dev/vg_bkp_vol_1/lv_bkp_vol_1")
lvextend /dev/vg_bkp_vol_1/lv_bkp_vol_1 /dev/xvdX1 
lvdisplay 
vgdisplay 
resize2fs /dev/vg_bkp_vol_1/lv_bkp_vol_1 
df 

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