Jump To Close Expand all Collapse all Table of contents Ceph Block Device Preface I. Block Device Commands Expand section "I. Block Device Commands" Collapse section "I. Block Device Commands" 1. Prerequisites Expand section "1. Prerequisites" Collapse section "1. Prerequisites" 1.1. Execute pre-installation requirements 1.2. Install Ceph Common Package 1.3. Enable access to the Ceph cluster 2. Creating a Block Device Image 3. Listing Block Device Images 4. Retrieving Image Information 5. Resizing a Block Device Image 6. Removing a Block Device Image II. Snapshots Expand section "II. Snapshots" Collapse section "II. Snapshots" 7. Cephx Notes 8. Snapshot Basics Expand section "8. Snapshot Basics" Collapse section "8. Snapshot Basics" 8.1. Create Snapshot 8.2. List Snapshots 8.3. Rollback Snapshot 8.4. Delete a Snapshot 8.5. Purge Snapshots 9. Layering Expand section "9. Layering" Collapse section "9. Layering" 9.1. Getting Started with Layering 9.2. Protecting a Snapshot 9.3. Cloning a Snapshot 9.4. Unprotecting a Snapshot 9.5. Listing Children of a Snapshot 9.6. Flattening a Cloned Image III. librbd Settings Expand section "III. librbd Settings" Collapse section "III. librbd Settings" 10. Cache Settings 11. Read-ahead Settings IV. Librbd (Python) Expand section "IV. Librbd (Python)" Collapse section "IV. Librbd (Python)" 12. Example: Creating and writing to an image V. Kernel Module Operations Expand section "V. Kernel Module Operations" Collapse section "V. Kernel Module Operations" 13. Get a List of Images 14. Map a Block Device 15. Show Mapped Block Devices 16. Unmapping a Block Device Legal Notice Settings Close Language: English Format: Multi-page Single-page PDF Format: Multi-page Single-page PDF Language and Page Formatting Options Language: English Format: Multi-page Single-page PDF Format: Multi-page Single-page PDF Red Hat Training A Red Hat training course is available for Red Hat Ceph Storage Part III. librbd Settings Previous Next