storage

Step-by-Step Tutorial: Configure Software RAID 1 in Linux

Steps to configure software raid 1 mirroring in linux with and without spare disk with examples in RHEL, CentOS and other Linux distros using mdadm (see [mdadm command](/mdadm-command-in-linux/)).

Deepak Prasad9 min read
storage

How to mount filesystem in certain order one after the other in CentOS/RHEL

Mount filesystem in certain order during reboot one after the other using systemd unit file or /etc/fstab using RequiresMountsFor x-systemd.requires- mounts-for

Deepak Prasad9 min read
storage

Linux lvm snapshot backup and restore tutorial RHEL/CentOS 7/8

Step by step guide linux lvm snapshot backup and restore with examples RHEL/CentOS 7/8. Create, merge, extend, remove LVM snapshot. backup root file system

Deepak Prasad18 min read
storage

Beginners guide to how LVM works in Linux (architecture)

LVM stands for Logical Volume Manager which is made up of Physical Volume, Volume Group ad Logical Volume. It can be easily extended or even reduced at times

Deepak Prasad12 min read
storage

How to create filesystem on a Linux partition or logical volume

Steps to create filesystem on a linux partition of on a logical volume using mkfs. Create mount point and mount the filesystem to access and store the data.

Deepak Prasad5 min read
storage

5 easy steps to resize root LVM partition in RHEL/CentOS 7/8 Linux

Steps to resize root LVM partition. Increase or decrease root logical volume partition size with examples in RHEL/CentOS 7/8 Linux. Extend or shrink root LVM

Deepak Prasad8 min read
storage

How to configure iSCSI target and initiator on CentOS/RHEL 7/8 Linux

How to configure iscsi target and initiator multipath SAN on CentOS / RHEL 7 Linux. Configure iscsi target with targetcli and initiator with iscsiadm

Deepak Prasad8 min read
storage

Tutorial: What is GlusterFS shared storage and types of volumes

What is GlusterFS Tutorial Replication Types of Volumes. Distributed Volume Replicated Volume. RHEL CentOS 8 glusterfs shared storage. gluster file system linux

Deepak Prasad6 min read
storage

5 easy steps to recover LVM2 partition, PV, VG, LVM metdata in Linux

Steps to recover LVM2 partition accidently deleted or removed. Restore PV (physical volume), restore VG (volume group) and restore LVM metadata in Linux

Deepak Prasad11 min read
storage

How to boot Linux host from LVM snapshot using BOOM (CentOS/RHEL 8)

Step by Step guide to boot CentOS/RHEL 8 or 7.5 and higher Linux with LVM snapshot using BOOM. with examples. Merge LVM snapshot and delete boom profile later.

Deepak Prasad8 min read
storage

DRBD Tutorial | Setup Linux Disk Replication | CentOS 8

Step-by-Step DRBD Tutorial to install and configure DRBD Storage device on CentOS 8. Perform Linux disk replication runtime. How to perform DRBD configuration

Deepak Prasad15 min read
storage

Configure glusterfs distributed replicated volume RHEL/CentOS 8

Steps to install and configure shared storage with glusterfs distributed replicated volume in RHEL/CentOS 8 Linux. Configure Red hat Storage in Red Hat 8

Deepak Prasad9 min read
storage

Install & configure glusterfs replicated volume RHEL/CentOS 8

GlusterFS Tutorial to install and configure glusterfs replicated volume shared storage with redundancy in RHEL/CentOS 8 Linux GlusterFS Replication Volume Type

Deepak Prasad9 min read
storage

How to fix 'pvs shows unknown device' in RHEL/CentOS 7/8

Troubleshoot and fix LVM Error pvs couldnt find device with uuid and pvs shows unknown device Recover or Restore lost physical volume redhat linux

Deepak Prasad4 min read