Wiki/lvm.md

Logical Volume Manager (LVM)

Physical Volume Commands

• pvs: Report information about Physical Volumes.
• pvcreate: Initialize a disk or partition for use by LVM.
• pvdisplay: Display attributes of a Physical Volume.
• pvremove: Remove a Physical Volume.
• pvresize: Resize a disk or partition in use by LVM2.
• pvscan: Scan all disks for Physical Volumes.

Create LVM on new HD

• Create Physical Volume: pvcreate /dev/<disk>
  • If you get Device excluded by a filter, it means that you have to delete the partitions on that device first
• Create Volume Group: vgcreate <volGroupName> /dev/<device>
• Create Virtual Volume: lvcreate -n <volName> -L <size> <volGroupName>
  • To make the volume use up all available space of the VG use -l +100%FREE instead of -L
• Create file system: mkfs.ext4 /dev/<volGroupName>/<volName>

Fstab Mount

• /dev/mapper/<volGroupName>-<volName>