Sign In Start Free Trial
Account

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying Ceph Cookbook
  • Table Of Contents Toc
  • Feedback & Rating feedback
Ceph Cookbook

Ceph Cookbook

By : Karan Singh, Hackett, Umrao
4.2 (9)
close
close
Ceph Cookbook

Ceph Cookbook

4.2 (9)
By: Karan Singh, Hackett, Umrao

Overview of this book

Ceph is a unified distributed storage system designed for reliability and scalability. This technology has been transforming the software-defined storage industry and is evolving rapidly as a leader with its wide range of support for popular cloud platforms such as OpenStack, and CloudStack, and also for virtualized platforms. Ceph is backed by Red Hat and has been developed by community of developers which has gained immense traction in recent years. This book will guide you right from the basics of Ceph , such as creating blocks, object storage, and filesystem access, to advanced concepts such as cloud integration solutions. The book will also cover practical and easy to implement recipes on CephFS, RGW, and RBD with respect to the major stable release of Ceph Jewel. Towards the end of the book, recipes based on troubleshooting and best practices will help you get to grips with managing Ceph storage in a production environment. By the end of this book, you will have practical, hands-on experience of using Ceph efficiently for your storage requirements.
Table of Contents (15 chapters)
close
close

Using the ceph tell command

Another efficient way to change the runtime configuration for the Ceph daemon without the overhead of logging in to that node is to use the ceph tell command.

How to do it...

The ceph tell command saves you the effort of logging into the node where the daemon is running. This command goes through the monitor node, so you can execute it from any node in the cluster:

  1. The syntax for the ceph tell command is as follows:
        # ceph tell {daemon-type}.{id or *} injectargs 
--{config_setting_name} {value}
  1. To change the osd_recovery_threads setting from osd.0, execute the following:
        # ceph tell osd.0 injectargs '--osd_recovery_threads=2'
  1. To change the same setting for...

Unlock full access

Continue reading for free

A Packt free trial gives you instant online access to our library of over 7000 practical eBooks and videos, constantly updated with the latest in tech
bookmark search playlist font-size

Change the font size

margin-width

Change margin width

day-mode

Change background colour

Close icon Search
Country selected

Close icon Your notes and bookmarks

Delete Bookmark

Modal Close icon
Are you sure you want to delete it?
Cancel
Yes, Delete

Confirmation

Modal Close icon
claim successful

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY