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Building Blocks of Storage ManagementFile-systemsLogical Volume(LV){{Formatted LV's become filesystemsA virtual storage device that may span multiple physicaldevices. Allocatable chunks (PEs) are assembled into“Logical Extents” that form the addressable space.Volume Group(VG){A collection of Physical Volumes that are divided into discreteallocatable chunks called “physical extents” (PEs).Physical Volume(PV)Physical Device{{An LVM concept that identifies physical devices for LVM use.Disks (IDE [hda], SCSI, SATA & SAS [sda], etc...)Partitions (ex: hda1, sda1, cciss/c0d0p1, etc...)LUNs (FCOE, SAN, etc...)loopback
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