In my case I had a network outage in my lab which resulted in the VCA, NSX Manager, Platform Services Controller, nearly everything to crash or hang.  Upon restart of the VCA and PSC I received the some errors associated with /dev/mapper/log_vg-log partition.  Asking me to fix the error manually. The problem was if I follow the instructions to enable the shell so I can run fsck, I simply get an unknown command error. Here is what I had to do to get moving again. Hit Control-D or Reboot the vCSA using the vSphere Client. When the GRUB bootloader appears, press the spacebar to disable autoboot.Read More →