The document outlines an agenda for a webinar on Logical Volume Managers presented by GLC Networks. The webinar will include an introduction to LVM, a review of prerequisite knowledge of storage, partitioning and file systems, an overview of how LVM provides a flexible way to manage file systems compared to traditional partitioning, and a live practice session. Attendees will be able to ask questions. GLC Networks is an Indonesian company that provides training, consulting and products in areas including networking, Linux and Mikrotik and regularly hosts webinar events.

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Logical Volume
Manager (LVM)
GLC webinar, 24 Jun 2021
Achmad Mardiansyah
achmad@glcnetworks.com
GLC Networks, Indonesia
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Agenda
● Introduction
● Review prerequisite knowledge
● Traditional File System
● Volume Manager
● Live practice
● Q & A
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introduction
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What is GLC?
● Garda Lintas Cakrawala (www.glcnetworks.com)
● Based in Bandung, Indonesia
● Areas: Training, IT Consulting
● Certified partner for: Mikrotik, Ubiquity, Linux foundation
● Product: GLC radius manager
● Regular event
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Trainer Introduction
● Name: Achmad Mardiansyah
● Base: bandung, Indonesia
● Linux user since 1999, mikrotik user since 2007, UBNT
2011
● Mikrotik Certified Trainer
(MTCNA/RE/WE/UME/INE/TCE/IPv6)
● Mikrotik/Linux Certified Consultant
● Website contributor: achmadjournal.com, mikrotik.tips,
asysadmin.tips
● More info:
http://au.linkedin.com/in/achmadmardiansyah
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Past experience
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● 2021 (Congo DRC, Malaysia): network support,
radius/billing integration
● 2020 (Congo DRC, Malaysia): IOT integration,
network automation
● 2019, Congo (DRC): build a wireless ISP from
ground-up
● 2018, Malaysia: network revamp, develop billing
solution and integration, setup dynamic routing
● 2017, Libya (north africa): remote wireless migration
for a new Wireless ISP
● 2016, United Kingdom: workshop for wireless ISP,
migrating a bridged to routed network

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About GLC webinar?
● First webinar: january 1, 2010 (title:
tahun baru bersama solaris - new year
with solaris OS)
● As a sharing event with various topics:
linux, networking, wireless, database,
programming, etc
● Regular schedule
● Irregular schedule: as needed
● Checking schedule:
http://www.glcnetworks.com/schedule
● You are invited to be a presenter
○ No need to be an expert
○ This is a forum for sharing: knowledge,
experiences, information
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Please introduce yourself
● Your name
● Your company/university?
● Your networking experience?
● Your mikrotik experience?
● Your expectation from this course?
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Prerequisite
● This presentation some prerequisite knowledge
● We assume you already know:
○ Storage, partition
○ File Hierarchy Standard (FHS)
○ Filesystem
○ Mounting
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Review prerequisite knowledge
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Storage (harddisk)
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Disk partition
● Disk label / partition table:
○ DOS
○ GPT
● Harddisk starts from outer cylinder
● DVDrom starts from inner cylinder
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File system
File system
● A system that controls how data is
stored and retrieved
● Part of operating system
● Designed based storage: disk, tape,
cdrom, network,
● Example:
○ Microsoft: DOS/FAT, NTFS
○ Linux: ext2, ext3, ext4, XFS
○ BSD: UFS, ZFS
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File hierarchy standard (FHS)
● FHS defines the directory structure and directory contents in Linux
distributions
● FHS is maintained by the Linux Foundation
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Traditional partition
● Based on physical parameters (sector) → Not flexible
● Steps: Partitioning, formatting, mounting
○
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Logical Volume Manager
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Logical Volume Manager
A flexible way to manage file system
● Benefits:
○ volume can consist of more than one disk
○ easy resize operations
○ easy replacement of failing disk
○ advanced options: snapshot
○ easy to add new volume (up to 256 LV)
● Creating LVM storage
○ physical volume (PV) -> Volume group (VG) ->
Logical volume (LV)
○ mkfs /dev/VG/LV -> create filesystem on LV
●
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LIVE practice
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preparation
● SSH client
● SSH parameters
○ SSH address
○ SSH port
○ SSH username
○ SSH password
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Q & A
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Interested? Just come to our training...
● Topics are arranged in systematic and logical way
● You will learn from experienced teacher
● Not only learn the materials, but also sharing experiences, best-practices, and
networking
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End of slides
● Thank you for your attention
● Please submit your feedback: http://bit.ly/glcfeedback
● Like our facebook page: https://www.facebook.com/glcnetworks
● Slide: http://www.slideshare.net/r41nbuw
● Recording (youtube): https://goo.gl/28ABHU
● Stay tune with our schedule
● Any questions?
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