What Is LVM (Logical Volume Manager)?- LVM is a storage manager that allows you to create a single or multiple logical storage volumes across multiple physical disks or partitions. There are 3 basic concepts use
Sys admins can use the current version of LVM (2.03.21as of 2023) and the device mapper driver in the Linuxkernelframework (2.6 kernel) to designate existing storage devices (hard disks) as physical volumes and place them into volume groups. The combined storage space that is created can t...
GRUB Legacy (GRUB 1). This deprecated version of GRUB is still found on some olderLinux distributions. GRUB 2. This GRUB version supports new PC architectures (such asARM) andfilesystems(such asReiserFS),RAIDenvironments, and LVM. Most of the current distributions use GRUB 2. For example, ...
Shrink an Existing LVM Partition When shrinking your LVM partition, it’s important to do so in the correct order – the filesystem must be resized before the logical volume, otherwise you lose data or even break the whole filesystem. Ext4 requires to be unmounted while shrinking. We can un...
Here learn about the shell which is an important part of the Linux operating system. The shell in the Linux operating system is used as a command line interpreter. It works between user input and Linux Kernel.
The Logical Volume Manager, or LVM, is a Linux-based program that provides storage virtualization for system administrators. Since it's far more flexible than disk partitioning, it's become a common alternative. Although it's primarily used in large-scale settings, like when balancing the needs...
Subvolumes behave like a partition but are not the real disk partition. They can be compared to something like Volumes used in LVM (Logical Volume Manager). Subvolumes make resizing quick and flexible as compared to real partitions. Interestingly, a Btrfs snapshot is also a subvolume that sha...
Guided LVMis similar to its encrypted counterpart in that it allows you to use a software volume for Devuan. This is especially useful for users who are using multiple drives and they want those drives to seamlessly talk to each other. ...
We support, for now, only full disk setup. The options related to this (LVM, LVM+encryption and ZFS) are all under the “Advanced features” screen. Select ‘Advances features’ and ‘Erase disk and install Ubuntu’ You will find there the Experimental ZFS support option. Choose this option...
This is a watershed release for us. RHEL 9 is a bold step towards Red Hat developing a commercial Linux distribution from CentOS Stream. The CentOS Stream project has allowed us to increase transparency in how we build the distribution; it has also allowed us to reduce the time it takes to...