LVM

Logical Volume Manager Related Topics

A Guide on LVM Snapshots with ext4 on CentOS 7.0

lvm merge

LVM is a logical volume manager for the Linux kernel that manages disk drives and similar mass-storage devices. These logical volumes can be composed of different physical hard disks but will appear as one partition on which a file system [...]

Adrian Dinu 12:18 pm

How to Configure LVM in Linux (pvcreate, lvcreate, vgcreate)

configure lvm linux

Logical Volume Management (LVM) creates a layer of abstraction over physical storage, allowing you to create logical storage volumes. With LVM in place, you are not bothered with physical disk sizes because the hardware storage is hidden from the software [...]

Deep 1:30 pm

How to Resize & Reduce for Shrinking Lvm Partition on Redhat/CentOS

shrink lvm partitionshrink lvm partition

Logical Volume Manager(LVM) allows the Linux kernel to manage large disk drives effectively. This allows users to create partitions from more than one disk and allows them to extend the filesystem size online within few seconds. In this article, we [...]

Bobbin Zachariah 8:20 pm

How to Display Physical / Volume Group / Logical Volume in LVM

Logical Volume Manager (LVM) for Linux provides a flexible and efficient way of disk management. Virtual partitions are created by using LVM. These virtual partitions can easily be resized in comparison to normal disk partitions. This article provides an overview of LVM and [...]

Raghu 2:57 pm

Create LVM On New Disk In Redhat Linux

First of all, make a partition using fdisk command and then toggle that partition to LINUX LVM (8e) label.Then create a physical volume using pvcreate command as follows: #pvcreate /dev/hda10 To display the size of the physical volume: #pvdisplay /dev/hda10 To [...]

Bobbin Zachariah 12:02 pm

Step by Step Guide to Create LVM Mirroring in Linux

In the computer world, storage is the most important factor. If data is lost, then everything is lost for the organization or company. Initially, data is stored in normal disks, it does not have the flexibility to manage the data and [...]

Bobbin Zachariah 9:47 pm

How to Extend and Resize LVM Partition in Linux

extend resize lvm linux

Logical Volume Manager(LVM) allows the Linux kernel to manage large disk drives effectively. This allows users to create partitions from more than one disk and allows them to extend the filesystem size online within a few seconds. In this article, [...]

Bobbin Zachariah 11:51 am

Creating Logical Volume On Existing Volume Group In Linux

Create logical volume on existing VG (Volume group) First make sure you have proper space to create new lv. From the below output, you can see there is enough space to have a new lv: #vgdisplay /dev/vg01 --- Volume group [...]

Bobbin Zachariah 11:22 am

How to Backup LVM Configuration on Linux (vgcfgbackup & vgcfgrestore)

LVM Backup

Due to several reason a volume group may become corrupted after unintended user intervention. LVM will not be aware of this situation unless the alternate is already on the volume group, and may allow to add the alternate path to [...]

Bobbin Zachariah 9:14 pm