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In Linux, Logical Volume Manager (LVM) is a storage management framework that provides a more flexible approach to managing disk storage than traditional partitioning. LVM works by creating an abstraction layer between physical storage devices and the file system, allowing you to create logical volumes that can span multiple physical disks. With LVM, you can create volume groups from one or more physical disks, and then create logical volumes within these volume groups. Logical volumes behave like traditional disk partitions, but they have several advantages: • Logical volumes can be resized dynamically while online, without the need to unmount filesystems or reboot the system. This flexibility allows you to adapt to changing storage needs without downtime. • Logical volumes can be easily extended by adding more physical disks to the volume group. This scalability allows you to grow your storage without disrupting your existing data. • LVM provides features like snapshots, which allow you to create point-in-time copies of logical volumes for backup or testing purposes. To illustrate the importance of LVM, consider a scenario where you have a Linux server with two physical disks, and you want to create a logical volume for your web server's data. Initially, you create a logical volume that spans both disks, giving you more storage capacity than a single disk could provide. Later, as your web server's data grows, you can add a third disk to the volume group and extend the logical volume to include this new disk, increasing its size without any downtime.