Dell PowerFlex Appliance with PowerFlex 3.x Administration Guide

Upgrading Java on the PowerFlex gateway and PowerFlex GUI presentation server

Upgrade Java to OpenJDK on the PowerFlex gateway and PowerFlex GUI presentation server.

1. For the PowerFlex gateway, shut down the gateway service, type: # systemctl stop scaleio-gateway.
2. Install or upgrade the OpenJDK dependencies on the PowerFlex gateway and PowerFlex GUI presentation server.
   1. Change directory to /root/install, type: # cd /root/install.
   2. List the dependencies, type: # ls
   3. Check for the copied OpenJDK dependency for javapackages.tar.gz.
   4. Decompress the file, type: # tar -zxf JavaPackages.tar.gz# tar -zxf JavaPackages.tar.gz.
   5. Install or upgrade OpenJDK dependency packages, type:

      #cd JavaPackages/
      #rpm -Uvh *.rpm

3. Remove existing oracle java, by querying the java package information, type: # rpm -qa | grep -i jre.
4. Capture the existing Java version and delete it, type: #rpm -e <java_version>.
5. Install new OpenJDK, type: #rpm -ivh /root/install/java-1.8.0-openjdkheadless-1.8.0.xxx.bxx-x.el7_9.x86_64.rpm.
6. Verify the version, type: # java -version.
   The version is OpenJDK 64-bit server VM build 25.XXX-b09, mixed mode.

   NOTE:The upgrade will automatically upgrade LockBox and restart the service.
7. Validate the gateway service is running, type: # systemctl status scaleio-gateway.service.
8. Validate the LockBox credentials, type:

   # cd /opt/emc/scaleio/gateway/bin
   # ./FOSGWTool.sh --query_esx_credentials

   Example of the command output:

   Default ESX credentials exist.
   Specific ESX credentials configuration:
   Ip: 192.168.100.1-192.168.100.20
   

9. Validate the gateway is working:
   1. Log in to PowerFlex gateway GUI.
   2. Retrieve the system topology, enter the MDM details.
   3. Verify all PowerFlex clusters details are listed here.