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P2/README.md

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+## OPENSHIFT DYNAMIC STORAGE
+2.03  
+```
+oc adm top nodes  
+oc adm node-logs -u crio node-name
+oc debug node/node-name
+skopeo inspect
+oc get events
+oc whoami -t
+
+```
+
+2.05 In this lab we will attach a PV to a deployment  
+```
+lab install-storage start
+source /usr/local/etc/ocp4.config
+oc login -u kubeadmin -p ${RHT_OCP4_KUBEADM_PASSWD}
+Create a project called install-storage
+Create an app with 
+name postgresql-persistent \
+registry.redhat.io/rhel8/postgresql-12:1-43 \
+-e POSTGRESQL_USER=redhat \
+-e POSTGRESQL_PASSWORD=redhat123 \
+-e POSTGRESQL_DATABASE=persistentdb
+
+Add a persistent storage with
+name postgresql-storage
+class nfs-storage
+rwo
+size 10Gi
+mount path /var/lib/psql
+claim name postgresql-storage
+
+Populate data to pvc with ~/DO280/labs/install-storage/init_data.sh
+Check ~/DO280/labs/install-storage/check_data.sh 
+Remove deploy and all
+
+Create another app with the same vars called postgresql-persistent2
+Attach pv again
+Delete all deploy and pvc
+cd
+```
+
+### SOLUTION
+
+oc new-app --name postgresql-persistent \
+   --docker-image registry.redhat.io/rhel8/postgresql-12:1-43 \
+   -e POSTGRESQL_USER=redhat \
+   -e POSTGRESQL_PASSWORD=redhat123 \
+   -e POSTGRESQL_DATABASE=persistentdb
+oc set volume dc/ --add --name postgresql-storage -t pvc --claim-size 10G --claim-class nfs-storage --claim-mode rwo --claim-name postgresql-storage -m /var/lib/psql 
+oc get pvc
+oc get pv
+oc delete all -l app=postgresql-persistent
+
+
+oc new-app --name postgresql-persistent2 \
+   --docker-image registry.redhat.io/rhel8/postgresql-12:1-43 \
+   -e POSTGRESQL_USER=redhat \
+   -e POSTGRESQL_PASSWORD=redhat123 \
+   -e POSTGRESQL_DATABASE=persistentdb
+
+oc delete all -l app=postgresql-persistent
+oc delete pvc postgresql-storage

pushea

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+#!/bin/bash
+git add *
+git commit -m "commit"
+git push