What is the difference between LVM and LUN - Server Fault A LUN is generally a disk array level reference to an amount of raw disk space that's been formatted and allocated to a specific server or group of servers It might be spread out over multiple physical disks, but will be presented by the disk array as a single "logical" drive to the target server LVM stands for "Logical Volume Manager", and is generally a piece of operating system software
Whats the difference between a LUN and a Volume? So by volume you can consider a LUN, a partition or even a file (loop-back mounted volume, DB volume), depending on the context C: and D: is, usually, a mounted disk partition This means that the kernel expose to the programs the volume as a filesystem Oh, and you can mount the same filesystem in 2 places at once at the same time
Logical Unit Number (LUN) - Computer Weekly Eine LUN ein wichtiger Begriff im Storage-Umfeld und dient zur eindeutigen Zuordnung, Verwaltung und Kontrolle von Speicherressourcen in SANs
What is the difference between LUN and array ? Arent they same? A LUN (Logical Unit Number) is a number used to uniquely identify any device that is attached to a SCSI device chain, or anything that emulates a SCSI device chain Some devices that could be attached to a device chain and would be assigned a LUN include: A single hard disk An array of hard disks A tape drive A CD-ROM drive It's important to remember that while SCSI is mostly deprecated
Virtualisation and the LUN: Storage configuration for VMs Providing storage in a physical environment required storage administrators to match LUN storage partitions to the performance and availability characteristics needed for each server But with the