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Linux Big Data

Linux storage of lvm (Logical Volume Manager) Logical Volume Manager (1)

First we need to understand why with LVM

Generally expand partition:Need to be adjacent。

advantage:LVM makes it easier to manage disk space。If the file system needs more space,Available space volume groups which may be assigned to a logical volume,And you can adjust the size of the file system。If a disk error began to appear,You may be replaced by a disk volume group registered as physical volumes,And the logical volume range can be migrated to a new disk。[……]

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