LVM

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Notes on LVM

  1. PV commands => working on physical disk
  2. VG commands => virtual groups
  3. LV commands => logical volumes

Test environment 

DISK_DIR=/var/tmp/disks
mkdir -p ${DISK_DIR} &&
for i in 1 2 3 4 5; do
    dd if=/dev/zero of=${DISK_DIR}/disk${i} bs=100M count=1 &&
    losetup /dev/loop${i} ${DISK_DIR}/disk${i} &&
    pvcreate ${DISK_DIR}/disk${i} &&
done
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