January 2019
Intermediate to advanced
606 pages
15h 1m
English
book
Ceph: Designing and Implementing Scalable Storage Systems
by Michael Hackett, Vikhyat Umrao, Karan Singh, Nick Fisk
Content preview from Ceph: Designing and Implementing Scalable Storage Systems
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Configuration management
Many Ceph admins exploit configuration management software to ensure correct and consistent application of packages and config files. Popular systems include Puppet, Chef, Ansible, and cfengine. Such systems are invaluable for ensuring that all systems remain consistent and up to date throughout their life cycle, especially when configuration settings are changed and hosts come and go.
Typical configuration management systems allow one to distribute an entire file to multiple managed systems. It is also usually possible to employ templating, a scheme by which a skeleton outline of a file is distributed to remote systems with embedded markup that allows variable interpolation, conditional inclusion of text, iterators, ...
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