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Ceph Cookbook
Table of Contents
Ceph Cookbook
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
eBooks, discount offers, and more
Why Subscribe?
Preface
What this book covers
What you need for this book
Who this book is for
Sections
Getting ready
How to do it…
How it works…
There's more…
See also
Conventions
Reader feedback
Customer support
Downloading the example code
Errata
Piracy
Questions
1. Ceph – Introduction and Beyond
Introduction
Ceph Releases
Ceph – the beginning of a new era
Software Defined Storage (SDS)
Cloud storage
Unified next generation storage architecture
RAID – the end of an era
RAID rebuilds are painful
RAID spare disks increases TCO
RAID can be expensive and hardware dependent
The growing RAID group is a challenge
The RAID reliability model is no longer promising
Ceph – the architectural overview
Planning the Ceph deployment
Setting up a virtual infrastructure
Getting ready
How to do it…
Installing and configuring Ceph
Creating Ceph cluster on ceph-node1
How to do it…
Scaling up your Ceph cluster
How to do it…
Using Ceph cluster with a hands-on approach
How to do it…
2. Working with Ceph Block Device
Introduction
Working with Ceph Block Device
Configuring Ceph client
How to do it…
Creating Ceph Block Device
How to do it…
Mapping Ceph Block Device
How to do it…
Ceph RBD resizing
How to do it…
Working with RBD snapshots
How to do it…
Working with RBD Clones
How to do it…
A quick look at OpenStack
Ceph – the best match for OpenStack
Setting up OpenStack
How to do it…
Configuring OpenStack as Ceph clients
How to do it…
Configuring Glance for Ceph backend
How to do it…
Configuring Cinder for Ceph backend
How to do it…
Configuring Nova to attach Ceph RBD
How to do it…
Configuring Nova to boot instances from Ceph RBD
How to do it…
3. Working with Ceph Object Storage
Introduction
Understanding Ceph object storage
RADOS Gateway standard setup, installation, and configuration
Setting up the RADOS Gateway node
How to do it…
Installing the RADOS Gateway
How to do it…
Configuring RADOS Gateway
How to do it…
Creating the radosgw user
How to do it…
See also…
Accessing Ceph object storage using S3 API
How to do it…
Configuring DNS
Configuring the s3cmd client
Accessing Ceph object storage using the Swift API
How to do it
See also…
Integrating RADOS Gateway with OpenStack Keystone
How to do it…
Configuring Ceph federated gateways
How to do it…
Testing the radosgw federated configuration
How to do it…
Building file sync and share service using RGW
Getting ready…
How to do it…
See also…
4. Working with the Ceph Filesystem
Introduction
Understanding Ceph Filesystem and MDS
Deploying Ceph MDS
How to do it…
Accessing CephFS via kernel driver
How to do it…
Accessing CephFS via FUSE client
How to do it…
Exporting Ceph Filesystem as NFS
How to do it…
ceph-dokan – CephFS for Windows clients
How to do it…
CephFS a drop-in replacement for HDFS
5. Monitoring Ceph Clusters using Calamari
Introduction
Ceph cluster monitoring – the classic way
Monitoring Ceph clusters
How to do it…
Checking the cluster's health
Monitoring cluster events
The cluster utilization statistics
Checking the cluster's status
The cluster authentication entries
Monitoring Ceph MON
How to do it…
Checking the MON status
Checking the MON quorum status
Monitoring Ceph OSDs
How to do it…
OSD tree view
OSD statistics
Checking the crush map
Monitoring PGs
Monitoring Ceph MDS
How to do it…
Introducing Ceph Calamari
Building Calamari server packages
How to do it…
Building Calamari client packages
How to do it…
Setting up Calamari master server
How to do it…
Adding Ceph nodes to Calamari
How to do it…
Monitoring Ceph clusters from the Calamari dashboard
Troubleshooting Calamari
How to do it…
6. Operating and Managing a Ceph Cluster
Introduction
Understanding Ceph service management
Managing the cluster configuration file
How to do it…
Adding monitor nodes to the Ceph configuration file
Adding an MDS node to the Ceph configuration file
Adding OSD nodes to the Ceph configuration file
Running Ceph with SYSVINIT
Starting and stopping all daemons
How to do it…
Starting and stopping all daemons by type
How to do it…
Starting daemons by type
Stopping daemons by type
Starting and stopping a specific daemon
How to do it…
Starting a specific daemon
Stopping a specific daemon
Running Ceph as a service
Starting and stopping all daemons
How to do it…
Starting and stopping all daemons by type
How to do it…
Starting daemons by type
Stopping daemons by type
Starting and stopping a specific daemon
How to do it…
Starting a specific daemon
Stopping a specific daemon
Scale-up versus scale-out
Scaling out your Ceph cluster
Adding the Ceph OSD
How to do it…
Adding the Ceph MON
How to do it...
Adding the Ceph RGW
Scaling down your Ceph cluster
Removing the Ceph OSD
How to do it…
Removing Ceph MON
How to do it…
Replacing a failed disk in the Ceph cluster
How to do it…
Upgrading your Ceph cluster
How to do it…
Maintaining a Ceph cluster
How to do it…
How it works…
7. Ceph under the Hood
Introduction
Ceph scalability and high availability
Understanding the CRUSH mechanism
CRUSH map internals
How to do it…
How it works…
Ceph cluster map
High availability monitors
Ceph authentication and authorization
Ceph authentication
Ceph authorization
How to do it…
Ceph dynamic cluster management
Ceph placement group
How to do it…
Placement group states
Creating Ceph pools on specific OSDs
How to do it…
8. Production Planning and Performance Tuning for Ceph
Introduction
The dynamics of capacity, performance, and cost
Choosing the hardware and software components for Ceph
Processor
Memory
Network
Disk
Ceph OSD Journal partition
Ceph OSD Data partition
Operating System
OSD Filesystem
Ceph recommendation and performance tuning
Global cluster tuning
Monitor tuning
OSD tuning
OSD General Settings
OSD Journal settings
OSD Filestore settings
OSD Recovery settings
OSD Backfilling settings
OSD scrubbing settings
Client tuning
Operating System tuning
Ceph erasure coding
Erasure code plugin
Creating an erasure coded pool
How to do it…
Ceph cache tiering
Writeback mode
Read-only mode
Creating a pool for cache tiering
How to do it…
See also…
Creating a cache tier
How to do it…
Configuring a cache tier
How to do it…
Testing a cache tier
How to do it…
9. The Virtual Storage Manager for Ceph
Introduction
Understanding the VSM architecture
The VSM Controller
The VSM Agent
Setting up the VSM environment
How to do it…
Getting ready for VSM
How to do it…
Installing VSM
How to do it…
Creating a Ceph cluster using VSM
How to do it…
Exploring the VSM dashboard
Upgrading the Ceph cluster using VSM
How to do it…
VSM roadmap
VSM resources
10. More on Ceph
Introduction
Benchmarking the Ceph cluster
Disk performance baseline
Single disk write performance
How to do it…
Multiple disk write performance
How to do it…
Single disk read performance
How to do it…
Multiple disk read performance
How to do it…
Results
Baseline network performance
How to do it…
See also…
Ceph RADOS bench
How to do it…
How it works…
RADOS load-gen
How to do it…
How it works…
There's more…
Benchmarking the Ceph block device
Ceph rbd bench-write
How to do it…
How it works…
There's more…
See also…
Benchmarking Ceph RBD using FIO
How to do it…
See also…
Ceph admin socket
How to do it…
Using the ceph tell command
How to do it…
How it works…
Ceph REST API
How to do it…
Profiling Ceph memory
How to do it…
Deploying Ceph using Ansible
Getting ready
How to do it…
There's more…
The ceph-objectstore tool
How to do it…
How it works…
Index
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