Merge pull request openshift#7593 from bfallonf/day_two_guide_2

Added day2 guide

Author: Brice Fallon-Freeman

_topic_map.yml

@@ -521,6 +521,23 @@ Topics:
 - Name: Certificate Management
   File: certificate_management
 ---
+Name: Day Two Operations Guide
+Dir: day_two_guide
+Distros: openshift-origin,openshift-enterprise
+Topics:
+- Name: Overview
+  File: index
+- Name: Run-once tasks
+  File: run_once_tasks
+- Name: Environment health checks
+  File: environment_health_checks
+- Name: Host-level tasks
+  File: host_level_tasks
+- Name: Project-level tasks
+  File: project_level_tasks
+- Name: Docker tasks
+  File: docker_tasks
+---
 Name: Cluster Administration
 Dir: admin_guide
 Distros: openshift-origin,openshift-enterprise,openshift-dedicated,atomic-*

day_two_guide/docker_tasks.adoc

@@ -0,0 +1,32 @@
+[[day_two_docker_tasks]]
+= Docker tasks
+{product-author}
+{product-version}
+:data-uri:
+:icons:
+:experimental:
+:toc: macro
+:toc-title:
+:prewrap!:
+
+toc::[]
+
+{product-title} uses Docker to run applications in pods that are composed by any number of containers.
+
+As a cluster administrator, sometimes Docker requires some extra configuration in order to efficiently run elements of the {product-title} installation.
+
+[[day-two-guide-increasing-docker-storage]]
+== Increasing Docker storage
+
+include::day_two_guide/topics/increasing_docker_storage.adoc[]
+
+[[day-two-guide-managing-docker-certs]]
+== Managing Docker certificates
+
+include::day_two_guide/topics/managing_docker_certs.adoc[]
+
+[[day-two-guide-managing-docker-registries]]
+== Managing Docker registries
+
+include::day_two_guide/topics/managing_docker_registries.adoc[]
+

day_two_guide/environment_health_checks.adoc

@@ -0,0 +1,62 @@
+[[day_two_environment_health_checks]]
+= Environment health checks
+{product-author}
+{product-version}
+:data-uri:
+:icons:
+:experimental:
+:toc: macro
+:toc-title:
+:prewrap!:
+
+toc::[]
+
+This topic contains steps to verify the overall health of the {product-title}
+cluster and the various components, as well as describing the intended behavior.
+
+Knowing the verification process for the various components is the first step to
+troubleshooting issues. If experiencing issues, you can use the checks provided
+in this section to diagnose any problems.
+
+[[day-two-guide-complete-deployment-health-check]]
+== Checking complete environment health
+
+include::day_two_guide/topics/complete_deployment_health_check.adoc[]
+
+[[day-two-guide-host-health]]
+== Host health
+
+include::day_two_guide/topics/host_health.adoc[]
+
+[[day-two-guide-network-connectivity]]
+== Network connectivity
+
+include::day_two_guide/topics/network_connectivity.adoc[]
+
+[[day-two-guide-storage]]
+== Storage
+
+include::day_two_guide/topics/storage.adoc[]
+
+[[day-two-guide-docker-storage]]
+== Docker storage
+
+include::day_two_guide/topics/docker_storage.adoc[]
+
+[[day-two-guide-api-service-status]]
+== API service status
+
+include::day_two_guide/topics/api_service_status.adoc[]
+
+////
+[[day-two-guide-controller-role-verification]]
+== Controller role verification
+
+include::day_two_guide/topics/controller_role_verification.adoc[]
+////
+
+[[day-two-guide-verifying_mtu]]
+== Verifying correct Maximum Transmission Unit (MTU) size
+
+include::day_two_guide/topics/verifying_mtu.adoc[]
+

day_two_guide/host_level_tasks.adoc

@@ -0,0 +1,75 @@
+[[day_two_host_level_tasks]]
+= Host-level tasks
+{product-author}
+{product-version}
+:data-uri:
+:icons:
+:experimental:
+:toc: macro
+:toc-title:
+:prewrap!:
+
+toc::[]
+
+== Adding a host to the cluster
+
+For information on adding master or node hosts to a cluster, see the
+xref:../install_config/adding_hosts_to_existing_cluster.adoc#install-config-adding-hosts-to-cluster[Adding
+hosts to an existing cluster] section in the Install and configuration guide.
+
+== Master host tasks
+
+[[day-two-guide-deprecating-master]]
+=== Deprecating a master host
+
+include::day_two_guide/topics/deprecating_master.adoc[]
+
+[[day-two-guide-master-backup]]
+=== Creating a master host backup
+
+include::day_two_guide/topics/master_backup.adoc[]
+
+[[day-two-guide-restore-master]]
+=== Restoring a master host backup
+
+include::day_two_guide/topics/restore_master.adoc[]
+
+== Node host tasks
+
+[[day-two-guide-deprecating-node]]
+=== Deprecating a node host
+
+include::day_two_guide/topics/deprecating_node.adoc[]
+
+[[day-two-guide-node-backup]]
+=== Creating a node host backup
+
+include::day_two_guide/topics/node_backup.adoc[]
+
+[[day-two-guide-restore-node]]
+=== Restoring a node host backup
+
+include::day_two_guide/topics/restore_node.adoc[]
+
+[[day-two-guide-node-maintenance]]
+=== Node maintenance
+
+See xref:../admin_guide/manage_nodes#admin-guide-manage-nodes[Managing nodes] or
+xref:../admin_guide/manage_pods#admin-guide-manage-pods[Managing pods] topics
+for various node management options. These include:
+
+* xref:../admin_guide/manage_nodes#marking-nodes-as-unschedulable-or-schedulable[Marking Nodes as Unschedulable or Schedulable]
+* xref:../admin_guide/manage_nodes#evacuating-pods-on-nodes[Evacuating Pods on Nodes]
+* xref:../admin_guide/manage_pods#managing-pods-poddisruptionbudget[Setting Pod Disruption Budgets]
+
+////
+include::day_two_guide/topics/node_maintenance.adoc[]
+////
+
+[[day-two-guide-etcd-backup]]
+== etcd tasks
+
+include::day_two_guide/topics/etcd_backup.adoc[]
+
+
+

day_two_guide/index.adoc

@@ -0,0 +1,14 @@
+[[day-two-guide-index]]
+= Overview
+{product-author}
+{product-version}
+:data-uri:
+:icons:
+:experimental:
+
+This section is built for {product-title} administrators with a fresh
+installation.
+
+While the xref:../admin_guide/index.adoc#admin-guide-index[{product-title}
+Cluster administration guide] is focused more on configuration, this guide will
+describe an overview of common daily maintenance tasks.

day_two_guide/project_level_tasks.adoc

@@ -0,0 +1,34 @@
+[[day_two_project_level_tasks]]
+= Project-level tasks
+{product-author}
+{product-version}
+:data-uri:
+:icons:
+:experimental:
+:toc: macro
+:toc-title:
+:prewrap!:
+
+toc::[]
+
+[[day-two-guide-project-backup]]
+== Project backup
+
+include::day_two_guide/topics/project_backup.adoc[]
+
+[[day-two-guide-pvc-backup-restore]]
+== PVC backup
+
+include::day_two_guide/topics/pvc_backup_and_restore.adoc[]
+
+[[day-two-guide-pruning-images]]
+== Pruning images and Containers
+
+See the
+xref:../admin_guide/pruning-resources.adoc#admin-guide-pruning-resources[Pruning
+Resources] topic for information about pruning collected data and older versions
+of objects.
+
+////
+include::day_two_guide/topics/pruning_images_and_containers.adoc[]
+////

day_two_guide/run_once_tasks.adoc

@@ -0,0 +1,34 @@
+[[day-two-run-once]]
+= Run-once tasks
+{product-author}
+{product-version}
+:data-uri:
+:icons:
+:experimental:
+:toc: macro
+:toc-title:
+:prewrap!:
+
+toc::[]
+
+
+After installing {product-title}, your system might need extra configuration to
+ensure your hosts consistently run smoothly.
+
+While these are classified as run-once tasks, you can perform any of these at
+any time if any circumstances change.
+
+[[day-two-guide-ntp-synchronization]]
+== NTP synchronization
+
+include::day_two_guide/topics/ntp_synchronization.adoc[]
+
+[[day-two-guide-entropy]]
+== Entropy
+
+include::day_two_guide/topics/entropy.adoc[]
+
+[[day-two-guide-default-storage-class]]
+== Checking the default storage class
+
+include::day_two_guide/topics/default_storage_class.adoc[]