OpenStack Object Storage (Swift) Essentials by Kapadia Amar & Rajana Kris & Varma Sreedhar

Author:Kapadia, Amar & Rajana, Kris & Varma, Sreedhar
Language: eng
Format: epub
Publisher: Packt Publishing - ebooks Account
Published: 2015-05-30T00:00:00+00:00

Routine management

The Swift cluster consists of several proxy server nodes and a storage server node, and these nodes run many processes and services to keep the cluster up and running and to provide overall availability. Any kind of general server management tools or applications, such as Nagios, can be run to track the state of the general services, CPU utilization, memory utilization, disk subsystem performance, and so on. Looking at the system logs is a great way to detect impending failures. Along with this, there are some tools used to monitor Swift services in particular. Some of them are Swift Recon, Swift StatsD, Swift Dispersion, and Swift Informant.

Nagios is a monitoring framework that comprises several plugins that can be used to monitor network services (such as HTTP and SSH), processor load, performance, and CPU and disk utilization. It also provides remote monitoring capabilities by running scripts, remotely connected to the monitored system, using SSH or SSL. Users can write their own plugins, depending on their requirements, to extend these monitoring capabilities. These plugins can be written in several languages such as Perl, Ruby, C++, and Python. Nagios also provides a notification mechanism, where an administrator can be alerted when problems occur on the system.

The following figure shows you how to integrate a monitoring solution based on Nagios:

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