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Old 02-17-2006, 09:44 AM   #1
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What is an LVM?

somebody tell me what an LVM is?

What are the advantages of using an LVM?
Old 02-17-2006, 09:56 AM   #2
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Check out, for example, (That from a quick google of "logical volume").
Old 02-17-2006, 11:07 AM   #3
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LVM = Logical Volume Management (Manager?)
A way to combine multiple partitions, drives, etc. to act as one volume
Old 02-17-2006, 11:15 AM   #4
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Here's the "big picture" in a nutshell

One word that, I believe, IBM originally coined was the concept of a storage pool. This is, simply, "a place where you can put files." Notez vous...
  • It does not say anything about which disk-volumes may contain the information.
  • It does not even imply that a single file must reside wholly upon any particular volume.
  • It does not imply that only one physical copy of a particular file may exist.
  • The concept is intentionally abstracted from the original concept that "a mount-point equals a physical disk and a file lives there."
This is what enables a data-center to liberate itself from the "one drive, per drive" mentality and to reasonably support what might be a disk-farm of hundreds of spindles, and to manage that storage space effectively on an on-going basis. Depending on the implementation, it also presents us with the opportunity of making part of the management-problem into something that a computer can help us to solve and manage.


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