Upgrade Dell PowerFlex to v3.6.x

Collect and record PowerFlex information

Collect and record information about your system's components and CloudLink Center before commencing upgrade procedures.

1. Gather the datacenter and vCenter names:
   1. Log on to the customer vCenter server.
   2. Click the Home icon at the top of the window and select Hosts and Clusters.
   3. Record the datacenter name.
   4. Record the vCenter name.
      The vCenter name is displayed above the datacenter name.
2. Gather and record additional PowerFlex cluster and component information:
   1. Use a console application to log in to the primary MDM SVM.
   2. Log in to the PowerFlex CLI:

      scli --login --username admin --password <PASSWORD>

   3. Perform a query to obtain cluster information:

      scli --query_cluster

   4. Gather SDS IP addresses:

      scli --query_all_sds

   5. Gather SDC IP addresses:

      scli --query_all_sdc

3. Verify the state of the PowerFlex system:
   1. Log in to the PowerFlex GUI using the primary MDM IP address and admin user credentials.
   2. On the Dashboard, verify the following:
      • There is no rebuild or rebalance running in the background (display should show 0.0 KB/s)
      • Adequate capacity exists for the upgrade
      • No SDSs or SDCs are disconnected
      • SDS devices are error-free
      • The MDM cluster, including tiebreakers, is not in Degraded state
      • There are no active alerts shown in the Alerts view
4. Verify available disk space:
   1. Use a console application to log in to each MDM and each tiebreaker.
   2. On each one, run the following command to display available disk space:

      df -h

      Each MDM and tiebreaker must have at least 1.2 GB of available disk space.