I have two Cisco Firepower 2110 in HA Configuration. I tried to perform version upgrade from 6.4. to 6.6. I got Device2 (Standbyd device) upgraded to 6.6. But the Device1 (Primary) failed the update. And the Device1 i showing up in maintenance mode a...

I am trying to upgrade from version 6.4 til 6.6.5 and the upgrade failes due low disk space on FTD.  I have deleted old updates files , temp files manually. But i cannot free up additional disk space. /ngfwSize: 51GFree: 13GUsed: 38GPercent: 75%  Err...