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RHEL – Installing multiple OS versions using Logical Volume Manager

Posted 10-10-2012 at 07:56 AM by iamswift
Updated 10-11-2012 at 01:02 AM by iamswift

Introduction:
Logical Volume Manager is a very good tool available in Linux to play around with disks and its sizes. This tool is very powerful that it virtually eliminates the requirement for fdisk based partition after the initial setup. Nowadays only two main partitions are created. One for “boot” and another for “LVM”. LVM internally has volume groups and logical volumes which act as independent partitions.

This article talks about how a free / available...

iamswift

LQ Newbie

Posted in Technical

Views 1922 Comments 0 iamswift is offline

RHEL – Create new logical volume from root volume

Posted 10-10-2012 at 04:51 AM by iamswift
Updated 10-11-2012 at 01:01 AM by iamswift

Tags create new logical volume, from root partition, split logical volume

Introduction:
We know that modern systems can have multiple hard disks and each hard disk can be divided as partitions. The idea behind partition is that it gives flexibility in managing the disks. Let’s say we have multiple operating systems to be installed in the same machine, partition provides solution for this. Each partition can have its own operating system. Apart from this advantage, partitions also help in grouping the type of files that are stored.
The Linux Logical Volume...

iamswift

LQ Newbie

Posted in Technical

Views 1901 Comments 0 iamswift is offline

In place upgrade from RHEL 5.x to RHEL 6.x

Posted 08-17-2012 at 02:25 AM by iamswift
Updated 10-11-2012 at 01:02 AM by iamswift

Tags inplace, rhel5, rhel6, upgrade

Inplace upgrade from RHEL 5.x to RHEL 6.x

Recently I contacted RH for in-place upgrade from RHEL 5 to RHEL 6 and got the standard reply from RH that this kind of upgrade is not supported.
I pressed for any document that gives steps carried out when the “upgradeall” option is selected while upgrading from RHEL 5 to RHEL 6 but got the same reply, saying in-place upgrade is not supported across major releases.
Below is the list of steps I followed to get in-place upgrade...

iamswift

LQ Newbie

Posted in Technical

Views 37833 Comments 0 iamswift is offline