OK, It stopped with the below error.
Upgrading: cxpanel
Upgrading cxpanel..
Starting cxpanel download..
Processing cxpanel
Downloading...
157730/157730 [============================] 100%
Finished downloading
Extracting...Done
Module cxpanel successfully downloaded
Setting operator panel web root and enabling dev state....
Done
Setting callevents = yes....
[PDOException]
SQLSTATE[HY000]: General error: 126 Incorrect key file for table './asteris
k/kvstore.MYI'; try to repair it
ma [-f|--force] [-d|--debug] [--format="..."] [-R|--repo="..."] [args1] ... [argsN]