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Category: Storage

How to add Hot Spare Volume to the existing mdadm software RAID array

December 29, 2020December 29, 2020 No Comments

Having a Hot Spare significantly increases the security of our data in a RAID array. In the case of a single disk failure, a Hot Spare jumps in the place of a faulty drive. Working as a temporary replacement, a […]

Grzegorz Juszczak Linux, Storage

Install Nextcloud with Docker on Debian 10 Buster

April 23, 2019November 26, 2019 14 Comments

Nextcloud is a lightweight, open-source StaaS (Storage as a Service) platform, written i PHP and JavaScript, which provides file sync, file sharing and creative collaboration services. The software can be installed on local hardware as a perfect alternative for commercial […]

Grzegorz Juszczak Linux, Storage, Virtualization

CentOS 7 Installation with LVM RAID 1 – Mirroring

March 31, 2018June 9, 2018 3 Comments

CentOS 7 may offer us a possibility of automatic RAID configuration in Anaconda installer, that is during OS installation, once it detects more than one physical device attached to the computer. Mentioned RAID is generally the LVM-RAID setup, based on […]

Grzegorz Juszczak Linux, Storage

RAID 1 configuration on HP Proliant Gen 9 server using HP SSA

October 31, 2017March 16, 2020 1 Comment

HPE Smart Storage Administrator is a tool that allows to quickly configure and manage storage controllers on HPE Proliant servers. HPE SSA offers simple, intuitive and easy to use GUI interface to quickly create, modify and erase storage arrays based […]

Grzegorz Juszczak Storage

Mount WebDAV remote storage in Fedora Linux using davfs2 driver

February 5, 2017March 2, 2017 No Comments

WebDAV (Web Distributed Authoring and Versioning) is an extension of the Hypertext Transfer Protocol (HTTP) that allows clients to perform remote Web content authoring operations. The WebDAV protocol provides a framework for users to create, change, copy, move, lock and […]

Grzegorz Juszczak Linux, Storage

Install and Configure OpenStack Mitaka with GlusterFS on CentOS 7

August 15, 2016October 16, 2016 14 Comments

OpenStack can use diffirent backend technologies for Cinder Volumes Service to create volumes for Instances running in cloud. The default and most common backend used for Cinder Service is LVM (Logical Volume Manager), but it has one basic disadventage – […]

Grzegorz Juszczak Cloud Computing, Storage

Extend LVM Volume Group with the new Hard Disk

April 9, 2016April 10, 2016 No Comments

One of the benefits of LVM (Logical Volume Manager) is the possibility to extend LVM based storage by adding new Physical Volumes which together form LVM Volume Group. Adding new Physical Volume increases the capacity of the whole Volume Group […]

Grzegorz Juszczak Linux, Storage

Backup and Restore Logical Volume using LVM Snapshot

April 9, 2016April 11, 2016 No Comments

LVM (Logical Volume Manager) gives us the ability to create Snapshots. LVM Snapshot is a logical volume that temporarily preserves the original data of changing logical volume, so it’s data can be backed up preserving consistency. Snapshot must be created […]

Grzegorz Juszczak Linux, Storage

GlusterFS Storage Setup on Two CentOS 7 Servers and Client

January 25, 2016July 31, 2016 5 Comments

GlusterFS is a simple and easy to configure scalable network attached storage. GlusterFS is a distributed storage consisting of nodes (servers including storage bricks), which export their own local file system as a volume. Volumes can be mounted on client […]

Grzegorz Juszczak Linux, Storage

How to Create LVM Volume Group and Logical Volume

November 14, 2015September 19, 2016 No Comments

Logical Volume Manager (LVM) is a device mapper target that provides logical volume management for the Linux kernel. LVM allows to create Logical Volumes from underlying Physical Hard Disks (Physiacal Volumes). Logical Volumes can be easily extended and shrunk according […]

Grzegorz Juszczak Linux, Storage

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