If the logical volume is currently mounted, you must close the. In our previous article we told you what lvm is and what you may want to use it. The following command removes the logical volume devtestvgtestlv from the volume group testvg. Many mainstream linux distributions use this technology as their default disk system centos, fedora, and sabayon.
To install a new hard drive follow the steps above to create a new. Without properly initialized physical volumes, you cannot create volume groups or logical volumes. If the nonroot lvm volume, volume group, and physical volume used for the lv are no longer required on the system, then it could be removeddeleted using. Resize or remove logical volumes with lvm 14th february, 2017 by kelly kirkham when working with logical volumes in linux for file systems, one of the big advantages that it brings is the ease of resizing volumes along with the ability to do so on the fly. Logical volume management is an innovative system that allows linux users to stripe partitions, create mirrors, create snapshots, and resize volumes on the fly. In order to remove a disk, you must first move the extents on the lvm physical volume to a different disk or set of disks. Logical volumes cannot be deactivated or removed while they are open e. X before following the below steps make sure to take backup of the data and proceed.
Confirmation will be requested before deactivating any active logical volume prior to removal. Removing an origin logical volume will also remove all dependent snapshots. Learn to create logical volumes in linux based operating system. Logical volumes are the dynamic volumes that are created from volume group.
Removing logical volumes red hat enterprise linux 4. In addition, in a clustered environment you must deactivate a logical volume before it can be removed. In this video you will learn how to increase the size of a logical volume which are formatted in xet4 and xfs file system in red hat enterprise linux 7. The physical volume commands are for adding or removing hard drives in. In this tutorial, i will show you how to remove the inactive logical volume in redhat 6. This book describes the lvm logical volume manager, including information on running. How to create a physical volume in linux using lvm. Removing a logical volume a logical volume must be closed before it can be removed.
You can use the lvdisplay for detailed information on the logical volumes currently in existence on your system. Pdf, and rpm versions on the red hat enterprise linux documentation cd and online at. If the logical volume is currently mounted, you must close the volume with the umount command before removing it. If the logical volume is currently mounted, unmount the volume. How to remove a logical volume in redhat centos askmetutorials. If the logical volume is currently mounted, unmount the volume before removing it. A physical volume is any physical storage device, such as a hard disk drive hdd, solid state drive ssd, or partition, that has been initialized as a physical volume with lvm. Removing a disk from a logical volume red hat enterprise. Removing logical volumes red hat enterprise linux 4 red.
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