Mastering Proxmox - Third Edition

Logical Volume Management

Logical Volume Management (LVM) provides a method of storage space allocation by using one or more disk partitions or drives as the underlying base storage. LVM storage requires a base storage to be set up and function properly. We can create LVM storage with local devices as backing or network backing with iSCSI devices. LVM allows scalable storage space since the base storage can be on the same node or on a different one. LVM storage only supports the RAW virtual disk image format. We can only store virtual disk images or containers on LVM storage.

For more details on LVM, refer to the following link:

http://en.wikipedia.org/wiki/Logical_Volume_Manager_(Linux)

If the LVM disk array is configured using local direct-attach ...