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What is LVM and why is it required? |
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Answer» LVM (Logical Volume Management) is basically a tool that provides logical volume management for the Linux kernel. It is being introduced simply to make physical storage device management easier. It also includes allocating disks, striping, mirroring, resizing logical volumes. Its main advantages are increased abstraction, FLEXIBILITY, and CONTROL. It simply allows for flexible disk space management. It is especially required to resize the size of the file system ONLINE. In Linux, the size of the LVM PARTITION can be extended USING “lvextend” command and can be reduced using “lvreduce” commands, respectively. |
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