Nutanix AOS Upgrade Tips

January 20, 2019 at 1:30 pm Leave a comment

Recently we were upgrading our Nutanix Cluster which was running an AOS version 4.5.2.3 to the latest 5.9. The process was seamless and non interruptive.  I have listed the commands  we have used along with Nutanix Engineer during the process for future reference.

 

Initial Check prior to AOS Upgrade

  • ncli cluster info
  • ncli host ls
  • ncli ru ls
  • ncli ms ls
  • ncc –version
  • cluster status | grep -v UP
  • nodetool -h 0 ring | grep -i normal | wc -l
  • svmips | wc -w

Once the output of above checks are fine Use the Software Upgrade feature from PRISM to upgrade the AOS.

To check the upgrade / pre-upgrade status and on which node is being picked up.& Confirm the versions after upgrade

  • allssh ls -ltra ~/data/logs | grep -i preupgrade
  • tail -F ~/data/logs/preupgrade.out
  • use upgrade_status (to verify the status , less verbose mode)
  • ncli –version
  • stargate –version
  • watch -d genesis status (to check the services status after the CVM reboot)

Optional: To delete the previously uploaded ISO

  • cd ~/software_downloads/nos ( use it with allssh to run it on all the CVM’s)

Finally after AOS upgrade sometime the curator replication process and it takes some time to complete . Until it completes we cannot proceed with the other update , thus you could check via the below command;

  • curator_cli get_under_replication_info

 

 

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Entry filed under: Nutanix.

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