Storage Management and File System Tutorials

Learn how to list disks in Linux and check disk type, HDD or SSD status, transport interface, model, serial number, partition table, and filesystem details with tested lsblk, sysfs, udevadm, lspci, lshw, fdisk, parted, …

Steps to backup partition in LInux, clone your partition or hard drive, logical volume using fsarchiver Exclude files and directories encrypt backup

How to encrypt hard disk using LUKS in Linux. LUKS is the Linux encryption layer to secure hard disk. Using cryptsetup luksopen to encrypt partition in Linux

Steps to auto mount LUKS device using key with passphrase in fstab and crypttab in Linux. Boot LUKS encrypted partition without password using luks passphrase

Resize primary partition shrink and extend non lvm root, boot and other primary partition, change size of partition using unallocated free space fdisk & parted

In this tutorial I will share the steps to create iSCSI target using Ubuntu 22.04 VM installed on Oracle VirtualBox.

Explore comprehensive strategies to improve disk IO performance, from optimizing kernel parameters to leveraging virtualization tools. Unlock the full potential of your system and achieve faster, more efficient disk …

How to create striped logical volume, How to convert striped to linear logical volume and vice versa, How to extend the size of existing striped logical volume

Steps to encrypt root partition and entire filesystem using LUKS in Linux. Encrypt volume group and physical volume with cryptsetup CentOS/RHEL 7/8 Migrate Data

Steps to configure hybrid software raid 10 (1+0) in Linux with examples. Hybrid RAID 1+0 results from the combination of RAID-0 and RAID-1 Array in Linux.

LVM supports mirrored volumes. A mirror maintains identical copies of data on different devices. LVM ensures that data written to an underlying physical volume is mirrored onto a separate physical volume.

The Logical Volume Manager is a collection of one or more physical devices called Volume Group (VG), each physical device on the VG called a Physical Volume (PV)

Steps to configure software raid with linear raid which is similar with RAID 0 but in Linear RAID the data is stored in linear format instead of stripping

Steps to configure software raid 0 with examples in linux. With RAID 0 there is no data redundancy as the data is stored in strips but this has better speed.

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.

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

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

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

Step by Step Guide to configure software raid 4 in Linux using examples. RAID-4 stripes block-sized chunks of data across each drive in the array marked as ..

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.

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

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

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

Configure Network Bound Disk Encryption (NBDE) based LUKS Disk Encryption using Clevis and tang Server in CentOS/RHEL 7/8 Linux Boot without password clevis key

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

Steps to change LUKS device master key, cipher, key-size and hash in Linux using cryptsetup and cryptsetup-reencrypt. Backup and Restore LUKS Device

Steps to configure software raid 5 array in Linux using mdadm. RAID 5 is similar to RAID-4, except the parity info is spread across all drives in the array.

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.

different disk types, different disk interface types. HDD vs SSD vs Optical Disks. Learn all about SCSI, IDE, ATA, SATA, Fibre Channel disk interface types

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