Upgrade validation check fails to execute on shelves and sensors

Applies to

ONTAP 9

Issue

The following error message occurs during validation of an ONTAP upgrade:

::> cluster image show-update-progress
 
                                             Estimated         Elapsed
Update Phase         Status                   Duration        Duration
-------------------- ----------------- --------------- ---------------
Pre-update checks    failed                   00:10:00        00:04:21
 
Details:
 
Pre-update Check     Status            Error-Action
-------------------- ----------------- --------------------------------------         
Shelves and Sensors  Error             Error: Validation check failed to
check                                  execute properly.
                                       Action: If the problem persists after
                                       retrying, delete the package and
                                       download again

Additionally, commands like 'system node environment sensors show' or 'system node power show' return timeout errors:

::> system node environment sensors show
    
Node Sensor                 State Value/Units Crit-Low Warn-Low Warn-Hi Crit-Hi       
---- --------------------- ------ ----------- -------- -------- ------- -------
node-1a
     PSU2 FRU              normal       GOOD
     PSU1 FRU              normal       GOOD
     SP Status             normal IPMI_HB_OK
     mSATA Status          normal         OK
     mSATA Pres            normal    PRESENT
 
Warning: Unable to list entries on node node-1a. The Service
         Processor on node "node-1a" is not reachable. Verify that
         the SP or BMC is online, verify that api-service is enabled on the SP
         or BMC, verify that the partner node is running, check if pings from
         SP or BMC to partner node work, check if hw-assist keep-alives are
         normal, check that network ports are configured correctly and are
         functional (up). Then, try the command again.
 
node-1b
     PSU2 FRU              normal      GOOD
 
Warning: Unable to list entries on node node-1b. Timeout: Operation
         "environment_sensors_iterator::next_imp()" took longer than 50
         seconds to complete [from mgwd on node "node-1a" (VSID: -1)
         to mgwd at 192.168.205.7]
 
Error: show failed: Timeout: Operation
       "environment_sensors_iterator::next_imp()" took longer than 50 seconds
       to complete [from mgwd on node "node-1a" (VSID: -1) to mgwd at
       192.168.205.7]
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