A Complete Guide on Linux LVM

Unlock Advanced Storage Management with Logical Volume Manager (LVM)

Dive into the world of Logical Volume Manager (LVM), a powerful storage virtualization technology. This course provides a comprehensive understanding of LVM, empowering you to efficiently manage and optimize your storage resources. Learn to create flexible, scalable, and resilient storage solutions.

Understanding LVM Features & Architecture

• What is LVM? Explore the core concepts and benefits of using LVM for improved storage flexibility and efficiency.
• LVM Architecture Overview: Gain a clear understanding of how LVM works, including its key components and their interactions.

Key LVM Components

• Physical Volumes (PVs): Learn how to create and manage physical storage devices within LVM.
  • Creating Physical Volumes
  • Scanning for Block Devices
  • Displaying Physical Volumes
  • Preventing Allocation on a Physical Volume
  • Resizing a Physical Volume
  • Removing Physical Volumes
• Volume Groups (VGs): Discover how to group physical volumes together to create flexible storage pools.
  • Creating Volume Groups
  • Adding Physical Volumes to a Volume Group
  • Displaying Volume Groups
  • Scanning Disks for Volume Groups
  • Removing Physical Volumes from a Volume Group
  • Activating & Deactivating Volume Groups
  • Changing the Parameters of a Volume Group
  • Removing Volume Groups
  • Splitting a Volume Group
  • Combining Volume Groups
  • Backing up Volume Group Metadata
  • Renaming a Volume Group
  • Moving or Migrating a Volume Group to Another System
• Logical Volumes (LVs): Create and manage virtual partitions that can be resized and moved independently of the underlying physical storage.
  • Different Types of Logical Volumes:
    • Linear Logical Volumes: Simple, contiguous allocation.
    • Striped Logical Volumes: Improved performance through data striping.
  • LV Creation Options: Master various options for creating logical volumes to suit your needs.

Practical LVM Administration

• Hands-on Practice: Reinforce your learning with practical lab sessions covering all aspects of LVM administration.
• Recovering Metadata: Learn how to recover metadata of physical volumes.
• Faulty Disk Recovery: Recover a faulty disk using LVM techniques.

Advanced LVM Techniques

• Thin Provisioning: Optimize storage utilization by allocating space on demand.
  • What is Thin Provisioning? Understand the principles of thin provisioning.
  • How it Works? Learn the mechanics of thin provisioning and how it efficiently allocates storage.
  • Providing Storage to New Clients: Discover how to seamlessly provide storage to new clients using thin provisioning.
  • Setup Thin Pool and Volumes: Master the setup process for thin pools and volumes.
  • Creating a Thin Pool
  • Creating Thin Volumes
  • Creating File System
  • Over Provisioning: Understand the benefits and risks of over-provisioning with thin provisioning.
• LVM Snapshots: Create point-in-time copies of logical volumes for backup and recovery.
  • Snapshot of Logical Volume and Restore: Learn how to create snapshots and restore them.
  • Creating LVM Snapshot
  • Restoring Snapshot or Merging
• Snapshot Practice: Practice creating and restoring snapshots.

LVM Volume Attributes

• Physical Volume (PV) Attributes: Understand and configure the attributes of physical volumes.
• Volume Group (VG) Attributes: Learn how to manage and optimize volume group attributes.