ESX Server may not want to load its operating system if it was abruptly stopped or has crashed. It usually returns the following error message:
“Kernel Panic: VFS unable to mount :: root fs on 0:00”
To correct this problem, please follow the following procedure:
For ESX 3.x
- Restart the server
- Select “Console-mode service troubleshooting” The GRUB boot
- Connect with the user account root
- Enter the command ” esxcfg-boot-p” To update the PCI settings
- Enter the command ” esxcfg-boot-b” To update the startup parameters
- Enter the command ” esxcfg-boot-r” To update the boot files
- Restart the server with the command ” shutdown-r 0 »
- Choose a classic start (default)
For ESX 4.x
- Restart the server
- Select “Troubleshooting User” The GRUB boot
- Connect with the user account root
- Enter the command “esxcfg-boot-b” To update the startup parameters
- Restart the server with the command ” shutdown-r 0 »
- Choose a classic start (default)