From the course: Cert Prep: LPIC-1 Exam 101 (Version 5.0)

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Basic features of logical volume management (LVM)

Basic features of logical volume management (LVM) - Linux Tutorial

From the course: Cert Prep: LPIC-1 Exam 101 (Version 5.0)

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Basic features of logical volume management (LVM)

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- [Narrator] LVM stands for logical volume management. LVM version one was created 1998. LVM version two, which is the version we use today, was released with the two point six kernel in 2003. LVM two comprises of 42 commands and another 18 built-in so it's not a simple system. Not every distribution uses LVM by default. With LVM a volume size can be dynamically expanded or reduced. When expanding the disk the volume does not have to be unmounted and the system can continue to run while the operation is underway. To reduce the size of the volume, it needs to be unmounted. Small tons of unused space from several disks can be combined to create a usable volume. For instance, if there is five gigabytes of free space on five different disks, it can be combined into one usable volume. LVM supports disk spanning. It can combine two disks into one drive. If data redundancy is needed LVM can store and update up to six…

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