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Re: [linuxiran] Logical Volume Manager
From: |
Zoup |
Subject: |
Re: [linuxiran] Logical Volume Manager |
Date: |
Wed, 30 Jun 2004 14:13:14 -0800 |
User-agent: |
KMail/1.6.2 |
On Tuesday 29 June 2004 23:03, Arash Bijanzadeh Wrote:
> Hi All,
> Sorry for silly question but can anybody tell me what is "Logical Volume
> Manager"?!
>
> Best
> Arash
Dear arash :)
Historically, a partition size is static. This requires a system installer to
have to consider not the question of "how much data will I store on this
partition", but rather "how much data will I *EVER* store on this partition".
When a user runs out of space on a partition, they either have to
re-partition (which may involve an entire operating system reload) or use
kludges such as symbolic links.
The notion that a partition was a sequential series of blocks on a physical
disc has since evolved. Most Unix-like systems now have the ability to break
up physical discs into some number of units. Storage units from multiple
drives can be pooled into a "logical volume", where they can be allocated to
partitions. Additionally, units can be added or removed from partitions as
space requirements change.
This is the basis of a Logical Volume Manager (LVM).
http://tldp.org/HOWTO/LVM-HOWTO/
--
Love is sentimental measles.