Chapter 36. Revision History: Cluster Administration

Red Hat OpenShift Documentation Team 3.5 :experimental:

36.1. Tues Mar 06 2018

Affected Topic	Description of Change
Managing Security Context Constraints	Added a new Example Security Context Constraints Settings section.

36.2. Fri Feb 23 2018

Affected Topic	Description of Change
Managing Security Context Constraints	Noted the importance of `-z` flag usage when granting access to service accounts.
Configuring Service Accounts	Noted the importance of `-z` flag usage when granting access to service accounts.

36.3. Tues Feb 20 2018

Affected Topic	Description of Change
Managing Nodes	Replaced outdated `oadm manage-node --evacuate` commands with `oc adm drain` commands.

36.4. Fri Feb 16 2018

Affected Topic	Description of Change
Service Accounts	Changed `serviceaccounts` to `serviceaccount` in the User Names and Groups section.
Managing Nodes	Added new section on Resetting Docker Storage to free up space on nodes.
Monitoring and Debugging Routers	Added new section on Viewing Statistics.
Handling Out of Resource Errors	Adjusted the math in the Example Scenario.
Garbage Collection	Added clarifying details about the default behavior of garbage collection.

36.5. Tue Feb 06 2018

Affected Topic	Description of Change
Service Accounts	Changed `serviceaccounts` to `serviceaccount` in the User Names and Groups section.
Manging Nodes	Added new section on Resetting Docker Storage to free up space on nodes.
Monitoring and Debugging Routers	Added new section on Viewing Statistics.

36.6. Thu Jan 25 2018

Affected Topic	Description of Change
Service Accounts	Changed `serviceaccounts` to `serviceaccount` in the User Names and Groups section.
Manging Nodes	Added new section on Resetting Docker Storage to free up space on nodes.
Monitoring and Debugging Routers	Added new section on Viewing Statistics.

36.7. Mon Jan 08 2018

Affected Topic	Description of Change
Service Accounts	Changed `serviceaccounts` to `serviceaccount` in the User Names and Groups section.
Manging Nodes	Added new section on Resetting Docker Storage to free up space on nodes.
Monitoring and Debugging Routers	Added new section on Viewing Statistics.

36.8. Fri Dec 22 2017

Affected Topic	Description of Change
Service Accounts	Changed `serviceaccounts` to `serviceaccount` in the User Names and Groups section.
Manging Nodes	Added new section on Resetting Docker Storage to free up space on nodes.
Monitoring and Debugging Routers	Added new section on Viewing Statistics.

36.9. Mon Dec 11 2017

Affected Topic	Description of Change
Service Accounts	Changed `serviceaccounts` to `serviceaccount` in the User Names and Groups section.
Manging Nodes	Added new section on Resetting Docker Storage to free up space on nodes.
Monitoring and Debugging Routers	Added new section on Viewing Statistics.

36.10. Tue Nov 21 2017

Affected Topic	Description of Change
Service Accounts	Changed `serviceaccounts` to `serviceaccount` in the User Names and Groups section.
Manging Nodes	Added new section on Resetting Docker Storage to free up space on nodes.
Monitoring and Debugging Routers	Added new section on Viewing Statistics.

36.11. Fri Nov 10 2017

Affected Topic	Description of Change
Service Accounts	Changed `serviceaccounts` to `serviceaccount` in the User Names and Groups section.

36.12. Wed Oct 11 2017

Affected Topic	Description of Change
Backup and Restore	Added a new Registry Certificates Backup section.

36.13. Tue Oct 03 2017

Affected Topic	Description of Change
Managing Networking	Added more information to the VMWare vSphere section.

36.14. Mon Sep 18 2017

Affected Topic	Description of Change
Opaque Integer Resources	Moved information on opaque integer resources to Administrator Guide
Setting Limit Ranges	Added link to information on how CPU and memory are calculated.

36.15. Mon Aug 28 2017

Affected Topic	Description of Change
Image Policy	Added note clarifying the need for the image prefix to set the default registry string in the Configuring the ImagePolicy Admission Plug-in section.
Pruning Objects	Added valid units of measurement for `--keep-younger-than`.
Troubleshooting OpenShift SDN	Changed the Further Help section to Finding Network Issues Using the Diagnostics Tool and added information about the Diagnostic Tool.
Troubleshooting OpenShift SDN	Corrected `vxlan0` to `vxlan_sys_4789` in the Debugging Local Networking section.

36.16. Tue Aug 22 2017

Affected Topic	Description of Change
Managing Networking	Added admonition to the Using an Egress Router to Allow External Resources to Recognize Pod Traffic section about Amazon AWS not working with the egress router.

36.17. Mon Aug 14 2017

Affected Topic	Description of Change
Garbage Collection	Changed the `image-gc-high-threshold` default value to 85 from 90.
High Availability	Added verbiage clarifying the example outlined in the Configuring a Highly-available Service section.

36.18. Thu Jul 27 2017

Affected Topic	Description of Change
Setting Quotas	Updated the references to quota and limit ranges, as they are now listed on the Quota page.
Setting Limit Ranges	Updated the references to quota and limit ranges, as they are now listed on the Quota page.

36.19. Tue Jul 18 2017

Affected Topic	Description of Change
Managing Security Context Constraints	Updated the Add an SCC to a User, Group, or Project section to add notes on granting SCC access and clarify project access.

36.20. Wed Jul 05 2017

Affected Topic	Description of Change
Cluster Administration → Setting Quotas	Removed unsupported limits.storage parameter.

36.21. Tue Jun 13 2017

Affected Topic	Description of Change
Scheduler	Updated default scheduler policy in the Scheduler Policy section.

36.22. Thu May 25 2017

Affected Topic	Description of Change
Managing Security Context Constraints	Added a warning about pod creation on behalf of a user within the Grant Access to the Privileged SCC section.
Managing Networking	Added important box to the Using an Egress Router to Allow External Resources to Recognize Pod Traffic section.

36.23. Mon May 15 2017

Affected Topic	Description of Change
Garbage Collection	Updated the default value for the `maximum-dead-containers` setting in the Container Garbage Collection section.
Backup and Restore	Restored and updated steps for adding an etcd member.
High Availability	Removed numbering and added a title to Deploy IP Failover Pod in the Configuring a Highly-available Service section.

36.24. Tue May 02 2017

Affected Topic	Description of Change
Securing Builds by Strategy	Added that custom builds are disabled by default.

36.25. Wed Apr 12 2017

OpenShift Container Platform 3.5 Initial Release

Affected Topic	Description of Change
Managing Nodes	Fixed markup error in the examples in the Setting Maximum Pods Per Node section.
Managing Networking	Created the Managing Networking topic and added the Enabling Multicast and Enabling NetworkPolicy sections.
Managing Security Context Constraints	Added information about preserving labels and annotations, in addition to groups.
High Availability	In the Check and Notify Scripts section, added that the `defaultMode` for the mounted `configMap` files must allow execution.
	In the Check and Notify Scripts section, added that when using the `oc adm ipfailover` command, the user check script overrides the default.
	Added new options to `oc adm ipfailover` to configure the check and notify scripts and to control the period of time the check script runs.
Troubleshooting OpenShift SDN	Added that the *ipf-debug.sh* script can be used for debugging IP failover problems.

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