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Encyclopedia > Logical Volume Manager

LVM is an implementation of a logical volume manager for the Linux kernel. It was originally written in 1998 by Heinz Mauelshagen, who based its design on that of the Veritas Volume Manager in HP-UX. In computer storage, logical volume management or LVM is a method of allocating space on mass storage devices that is more flexible than conventional partitioning schemes. ... Tux, a cartoon penguin frequently featured sitting, is the official Linux mascot. ... Kernel (computer science) - Wikipedia, the free encyclopedia /**/ @import /skins-1. ... 1998 - Wikipedia, the free encyclopedia /**/ @import /skins-1. ... The Veritas Volume Manager, VVM or VxVM is a proprietary logical volume manager from Veritas. ... HP-UX is Hewlett-Packards proprietary implementation of the Unix operating system. ...


LVM includes most of the features expected of a volume manager, including:

  • Online resizing of VGs
  • Online resizing of LVs
  • Read-only snapshotting
  • RAID0 striping of LVs.

LVM does not implement RAID1 or RAID5 mirroring of LVs. Instead, Sistina recommends using the Linux software RAID driver to mirror the underlying PVs to achieve redundancy. In computer file systems, a snapshot is a copy of a set of files and directories as they were at a particular point in the past. ... Fast, cheap, good: choose two” In computing, a redundant array of independent disks (more commonly known as a RAID) is a system of using multiple hard drives for sharing or replicating data among the drives. ... Fast, cheap, good: choose two” In computing, a redundant array of independent disks (more commonly known as a RAID) is a system of using multiple hard drives for sharing or replicating data among the drives. ... Fast, cheap, good: choose two” In computing, a redundant array of independent disks (more commonly known as a RAID) is a system of using multiple hard drives for sharing or replicating data among the drives. ...


  Results from FactBites:
 
Logical volume management - Wikipedia, the free encyclopedia (588 words)
In computer storage, logical volume management or LVM is a method of allocating space on mass storage devices that is more flexible than conventional partitioning schemes.
In particular, a volume manager can concatenate, stripe together or otherwise combine partitions into larger virtual ones that can be resized or moved, possibly while it is being used.
Volume management is a form of virtualization because it turns storage into a more easily allocatable and fluid resource.
  More results at FactBites »

 
 

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