How to Create LVM in Linux CentOS 7 / RHEL 7 / Oracle Linux 7

Storage technology plays a important role in improving the availability, performance, and ability to manage Linux servers. One of the most useful and helpful technology to linux system administrator is Linux Logical Volume Manager(LVM), version 2 (or LVM 2). LVM is a widely-used technique and extremely flexible disk management scheme for deploying logical rather than […]

How to Add a New Hard Disk Without Rebooting on CentOS 7/ RHEL 7

Normally when you have added new storage to a running Virtual machine, you probably won’t see the new storage automatically. This is because the SCSI bus to which the storage devices are connected needs to be rescanned to make the new hardware visible. As a system administrator, to maintain the linux server uptime is very […]

4 lvcreate Command Examples on Linux

Logical volume management (LVM) is a widely-used technique and extremely flexible disk management scheme. It basically contain three basic command : a. Creates the physical volumes using pvcreate b. Create the volume group and add partition into volume group using vgcreate c. Create a new logical volume using lvcreate The following examples focus on the […]

How to Remove Volume Group and Physical Volume on LVM

Basically, adding and removing LVM will always involves these three logical “layers” which are Physical volumes (pv), Volume groups (vg) and Logical volumes (lv). This post assumed that the Logical volumes haven’t created. In certain situation, linux administrators are required to remove the existing Physical Volume or Volume Group only. It is possible to perform […]

How to Remove a Logical Volume on CentOS 6.3/RHEL6

In previous post, i have cover the steps to create additional Logical volume manager (LVM). In certain situation, linux administrator is required to remove the existing logical volume. It is possible to perform the required task if that system administrator has the right skill on linux. Otherwise, they will put themselves and the organization in […]

How to Create Additional LVM on CentOS 6.3

This post will covers the steps to create additional Logical volume manager (LVM) on CentOS 6.3. This will very useful when the production system facing run out of disk space to store data. Sometimes there is another request for them to create additional LVM for new system or to store data. It is possible to […]

How to Create Additional LVM on RHEL 6/CentOS 6

Most of the linux administrator facing run out of disk space to store data and sometimes there is another request for them to create additional logical volume manager(LVM) for new system or to store data. It is possible to perform this task if that system administrator has the right skill on linux. Otherwise, they will […]

How to Increase the Size of Logical Volume (LVM) on Linux

There are eight(8) functional steps to resize the logical volume in linux. 1. Increase A VMware Disk Size (VMDK) Formatted As Linux LVM 2. In VM OS, Create Partition 3. Reboot the VM 4. Format the new partition 5. Creates the physical volumes using pvcreate 6. Add physical volumes to a volume group using vgextend. […]

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