{"id":"lvm-flexible-storage-management","text":"LVM provides flexible, non-disruptive storage management through a three-layer abstraction (PV → VG → LV) that enables spanning multiple disks into unified volume groups, online extension without downtime, and a consistent command vocabulary (pvcreate, vgcreate, lvcreate, lvextend, lvreduce, vgextend) for all operations.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"lvm-flexible-storage-management","truth_value":"IN","reason":"premise"}]}}