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Document URL: https://docs.openshift.org/latest/install_config/install/prerequisites.html Section Number and Name: 02: System Requirements Describe the issue: When building more Pre-Production & Production level environments, customers often need to break down /var/ into various unique partitions/block devices/logical volumes in order to build a more sustainable environments. For example, a common breakdown of those partitions might look like: /var/lib/etcd /var/log/ /var/lib/docker/ / However, there are other directories that have the potential to fill up and cause issues, and require maintenance. Suggestions for improvement: We would like to have a table added that breaks down the directories written to by the various components of OpenShift, where they write to by default, a description of the types of data written (logs, app data, containers, etc.) and how to reconfigure them to write elsewhere where possible. Additional information: This could be contained either within the Installation Guide > Prerequisites, or elsewhere in the Admin Guide, with a Link in the Prerequisites doc.
The following information was added to the Scaling and Performance Guide which breaks down the different kinds of Storage: https://docs.openshift.com/container-platform/3.7/scaling_performance/optimizing_storage.html. This was added for the 3.7 docs. I am going to close this bug, but feel free to reopen if this information is not enough.