- Ceph Cookbook
- Table of Contents
- Ceph Cookbook
- Credits
- Foreword
- About the Author
- About the Reviewers
- www.PacktPub.com
- Preface
- 1. Ceph – Introduction and Beyond
- 2. Working with Ceph Block Device
- Introduction
- Working with Ceph Block Device
- Configuring Ceph client
- Creating Ceph Block Device
- Mapping Ceph Block Device
- Ceph RBD resizing
- Working with RBD snapshots
- Working with RBD Clones
- A quick look at OpenStack
- Ceph – the best match for OpenStack
- Setting up OpenStack
- Configuring OpenStack as Ceph clients
- Configuring Glance for Ceph backend
- Configuring Cinder for Ceph backend
- Configuring Nova to attach Ceph RBD
- Configuring Nova to boot instances from Ceph RBD
- 3. Working with Ceph Object Storage
- Introduction
- Understanding Ceph object storage
- RADOS Gateway standard setup, installation, and configuration
- Creating the radosgw user
- Accessing Ceph object storage using S3 API
- Accessing Ceph object storage using the Swift API
- Integrating RADOS Gateway with OpenStack Keystone
- Configuring Ceph federated gateways
- Testing the radosgw federated configuration
- Building file sync and share service using RGW
- 4. Working with the Ceph Filesystem
- 5. Monitoring Ceph Clusters using Calamari
- Introduction
- Ceph cluster monitoring – the classic way
- Monitoring Ceph clusters
- Introducing Ceph Calamari
- Building Calamari server packages
- Building Calamari client packages
- Setting up Calamari master server
- Adding Ceph nodes to Calamari
- Monitoring Ceph clusters from the Calamari dashboard
- Troubleshooting Calamari
- 6. Operating and Managing a Ceph Cluster
- Introduction
- Understanding Ceph service management
- Managing the cluster configuration file
- Running Ceph with SYSVINIT
- Running Ceph as a service
- Scale-up versus scale-out
- Scaling out your Ceph cluster
- Scaling down your Ceph cluster
- Replacing a failed disk in the Ceph cluster
- Upgrading your Ceph cluster
- Maintaining a Ceph cluster
- 7. Ceph under the Hood
- Introduction
- Ceph scalability and high availability
- Understanding the CRUSH mechanism
- CRUSH map internals
- Ceph cluster map
- High availability monitors
- Ceph authentication and authorization
- Ceph dynamic cluster management
- Ceph placement group
- Placement group states
- Creating Ceph pools on specific OSDs
- 8. Production Planning and Performance Tuning for Ceph
- Introduction
- The dynamics of capacity, performance, and cost
- Choosing the hardware and software components for Ceph
- Ceph recommendation and performance tuning
- Ceph erasure coding
- Creating an erasure coded pool
- Ceph cache tiering
- Creating a pool for cache tiering
- Creating a cache tier
- Configuring a cache tier
- Testing a cache tier
- 9. The Virtual Storage Manager for Ceph
- 10. More on Ceph
- Introduction
- Benchmarking the Ceph cluster
- Disk performance baseline
- Baseline network performance
- Ceph RADOS bench
- RADOS load-gen
- Benchmarking the Ceph block device
- Benchmarking Ceph RBD using FIO
- Ceph admin socket
- Using the ceph tell command
- Ceph REST API
- Profiling Ceph memory
- Deploying Ceph using Ansible
- The ceph-objectstore tool
- Index
If you are managing a large cluster, it's good practice to keep your cluster configuration file (/etc/ceph/ceph.conf) updated with information about cluster monitors, OSDs, MDSs, and RGW nodes. With these entries in place, you can manage all your cluster services from a single node.
To better understand this, we will update the Ceph configuration file on ceph-node1 and add details of all monitor, OSD, and MDS nodes.
Since we have three monitor nodes, add their details to the /etc/ceph/ceph.conf file from ceph-node1.
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