Years of development have enabled Ceph to build an extensive feature set, bringing high quality and performance storage to Linux. However, clients that don't run Linux (and that are therefore unable to natively talk to Ceph) have a limited scope as to where Ceph can be deployed. Recently, a number of new enhancements have been developed to allow Ceph to start to talk to some of these non-Linux-based clients, such as the Internet Small Computer Systems Interface (iSCSI) and Network File System (NFS). This chapter will look in detail at the various methods by which Ceph storage can be exported to clients and the strengths and weaknesses of each. In all methods, a Linux server is used as a proxy to translate the I/O requests from these clients into native Ceph I/Os, and as such, a working knowledge of how to use these protocols in Linux is beneficial...
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Mastering Ceph
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Mastering Ceph
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Overview of this book
Ceph is an open source distributed storage system that is scalable to Exabyte deployments. This second edition of Mastering Ceph takes you a step closer to becoming an expert on Ceph.
You’ll get started by understanding the design goals and planning steps that should be undertaken to ensure successful deployments. In the next sections, you’ll be guided through setting up and deploying the Ceph cluster with the help of orchestration tools. This will allow you to witness Ceph’s scalability, erasure coding (data protective) mechanism, and automated data backup features on multiple servers. You’ll then discover more about the key areas of Ceph including BlueStore, erasure coding and cache tiering with the help of examples. Next, you’ll also learn some of the ways to export Ceph into non-native environments and understand some of the pitfalls that you may encounter. The book features a section on tuning that will take you through the process of optimizing both Ceph and its supporting infrastructure. You’ll also learn to develop applications, which use Librados and distributed computations with shared object classes. Toward the concluding chapters, you’ll learn to troubleshoot issues and handle various scenarios where Ceph is not likely to recover on its own.
By the end of this book, you’ll be able to master storage management with Ceph and generate solutions for managing your infrastructure.
Table of Contents (18 chapters)
Preface
Planning for Ceph
Deploying Ceph with Containers
BlueStore
Ceph and Non-Native Protocols
Section 2: Operating and Tuning
RADOS Pools and Client Access
Developing with Librados
Distributed Computation with Ceph RADOS Classes
Monitoring Ceph
Tuning Ceph
Tiering with Ceph
Section 3: Troubleshooting and Recovery
Troubleshooting
Disaster Recovery
Assessments
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