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Chapter 9. Upgrading your Container-Native Storage Environment

This chapter describes the procedure to upgrade your environment from OpenShift 3.4 to OpenShift 3.5.

9.1. Upgrading cns-deploy and Heketi Server
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  1. Execute the following command to update the heketi client and cns-deploy packages: 
    # yum update cns-deploy -y 
# yum update heketi-client -y
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  2. Execute the following command to delete the heketi template 
    # oc delete templates heketi
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  3. Execute the following command to install the heketi template: 
    # oc create -f /usr/share/heketi/templates/heketi-template.yaml
template "heketi" created
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  4. Execute the following command to grant the heketi Service Account the neccessary privileges: 
    # oc policy add-role-to-user edit system:serviceaccount:<project_name>:heketi-service-account
# oc adm policy add-scc-to-user privileged -z heketi-service-account
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    For example, 
    # oc policy add-role-to-user edit system:serviceaccount:storage-project:heketi-service-account
# oc adm policy add-scc-to-user privileged -z heketi-service-account
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  5. Execute the following command to delete the deployment configuration, service, and route for heketi: 
    # oc delete deploymentconfig,service,route heketi
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  6. Execute the following command to deploy the Heketi service which will be used to create persistent volumes for OpenShift: 
    # oc process heketi | oc create -f -
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    For example: 
    # oc process heketi | oc create -f -

service "heketi" created
route "heketi" created
deploymentconfig "heketi" created
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  7. Execute the following command to verify that the containers are running: 
    # oc get pods
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    For example: 
    # oc get pods
NAME                             READY     STATUS    RESTARTS   AGE
glusterfs-0h68l                  1/1       Running   0          3d
glusterfs-0vcf3                  1/1       Running   0          3d
glusterfs-gr9gh                  1/1       Running   0          3d
heketi-1-zpw4d                   1/1       Running   0          3h
storage-project-router-2-db2wl   1/1       Running   0          4d
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