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Right now the volume quota only works against remote persistent volumes and not local host volumes. In OSE, OSD 3.2 and Online, local storage usage can be limited. We need to document: 1) a new feature in the OpenShift security context constraints for disabling emptyDir usage. This is relevant to enterprise/origin and (I believe Dedicated) users. 2) that for OpenShift Online users, emptyDir is disabled, show the expected error message, and inform them how to work around the problem for Online (this may go away by the time online beta goes GA so check). Dev for this feature is: Devan Goodwin Trello Card is: https://trello.com/c/kyzO6BFG/482-5-limit-local-storage-usage-by-users-beta QA for this feature is: Likely Guide: Dev Guide in the new app and volumes sections: https://docs.openshift.com/enterprise/3.1/dev_guide/index.html The pull request for upstream docs is here: https://github.com/openshift/openshift-docs/pull/1529
Work in progress: https://github.com/openshift/openshift-docs/pull/1740
@Devan, Can you please help clarify whether EmptyDir volumes is disabled in OpenShift Online? Looks like we have conflicting information between these 2 PRs: https://github.com/openshift/origin/pull/7351 https://github.com/openshift/openshift-docs/pull/1529 Thanks!
Apologies this situation has been a bit confusing and has changed a lot since I started. https://github.com/openshift/openshift-docs/pull/1529 was what we expected was going to happen, we didn't think there would be time for empty dir to be working in online. However due to delays that situation has changed and we pursued a better solution in https://github.com/openshift/origin/pull/7351 and that just merged last night. I believe 1529 can be reverted now, emptyDir volume quotas should be in the code for launch so we expect to allow emptyDir volumes in online.
I will submit a PR to revert 1529.
Filed docs PRs to revert the "online restrictions", a since removed feature to block emptyDir volume usage as a cluster admin, and my attempt at docs for the quota feature, feel free to use, or reject that as necessary if it overlaps with what you're working on. https://github.com/openshift/openshift-docs/pull/1760 https://github.com/openshift/openshift-docs/pull/1759 https://github.com/openshift/openshift-docs/pull/1758
Merged the latest changes and closed https://github.com/openshift/openshift-docs/pull/1740 in favor of: https://github.com/openshift/openshift-docs/pull/1760 https://github.com/openshift/openshift-docs/pull/1759 https://github.com/openshift/openshift-docs/pull/1758
Thanks Ashley and Devan. Chao Yang - requesting QE for this docs work.
Verification is passed PR 1758,1759,1760 can descripe the EmtpyDir volume function clearly