Celerra: Upgrade fails with 'upgrade_cfg failed.'

Product:

Celerra

 

Issue:

Upgrade fails with "upgrade_cfg failed."
usage: /nas/sbin/upgrade_cfg Current_Version Target_Version Upgrade_Policy_Full_Name Cfg_File_Full_Name
example: /nas/sbin/upgrade_cfg 5.6.3 5.6.8 /nas/sys/cmd_svc_upg.cfg /nas/site/cmd_svc.cfg

upgrade_cfg failed.
[ 41/86 ]  do miscellaneous steps 3

Cause:

The /nas/sys/nas_install_version file is blank.

 

Resolution:

Create the file or modify it so that it reads as follows: 

INSTALL_VERSION:<nas_code version being installed>

That is, run:

cat /nas/sys/nas_install_version
INSTALL_VERSION:6.0.40-8

 

Also refer to Knowledgebase solution ID 75150 for more information on the issue.