This message can be related to the system's message of the day (/etc/motd)
1- Check the content of the MOTD file:
From unix prompt
Blade 7, UnsupportedDisk configuration.
Please check /var/log/messages for details
Remove /etc/motd to get rid of this message
2- Remove this message from motd file and login again.
The chassis will not display this message again
Workaround
n/a