Access data in lvm2 drive

Prerequisite: The system should have lvm2 installed. On debian this can be achieved by sudo apt install lvm2.

For mounting a lvm2 drive, we need to activate the associated LVM group. The following command can list all available LVM group:

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sudo vgscan

Scanning will show the name of different LVM volumes. More details about any of LVM volume can be obtained by vgs or vgdisplay commands. A particular LVM volume can be activated by vgchange command. Successful activating of LVM volume with make device files in /dev for each drive in the volume.

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sudo vgchange -ay <lvm_volume_name>

The required drive can be mounted in any folder by using mount command.

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sudo mount /dev/<lvm_volume_name>/<lvm_drive_name> target_folder

After accessing the required file, the drive can be unmounted by sudo umount target_folder. The LVM group is deactivated with following command:

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sudo vgchange -an

LVM group should always be deactivated before removing the concerned removable drive.