[Ubuntu] Setting up LVM(Logical Volume Management)

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In this artical, we are grouping four SSDs into two logical drives where each group consists of two SSDs.

1. Install LVM

$ sudo apt-get update
$ sudo apt-get install lvm2

2. Configure LVM

$ sudo su`
$ pvcreate /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1
$ vgcreate vg001 /dev/sdb1 /dev/sdc1
$ vgcreate vg002 /dev/sde1 /dev/sdd1
$ vgdisplay

Check whether vg001 and vg002 exist and check the size (X.X TiB) of each group.

$ lvcreate -L [SIZE OF vg001]t -n lv001 vg001
$ lvcreate -L [SIZE of vg002]t –n lv002 vg002
$ fdisk -l

/dev/mapper/vg001-lv001 and /dev/mapper/vg002-lv002 should appear.

$ mkfs.ext4 /dev/vg001/lv001
$ mkfs.ext4 /dev/vg002/lv002
$ mkdir /data1 /data2
$ vi /etc/fstab
/dev/vg001/lv001            /data1               ext4    defaults 0       0
/dev/vg002/lv002            /data2               ext4    defaults 0       0
$ mount -a
$ df -h

Check mount status of /data1 and /data2.

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