C25 Boot issue

  • 0
  • 1
  • Question
  • Updated 2 years ago
  • Answered
Hi, 

Can anyone provide any support to fix the below issue in C25 controller. 

VFS: Cannot open root device "sda1" or unknown-block(0,0)Please append a correct "root=" boot option; here are the available partitions:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)


it is not giving me option to selection "Controller Rescue"
Photo of Sachu

Sachu

  • 220 Points 100 badge 2x thumb

Posted 2 years ago

  • 0
  • 1
Photo of Jason

Jason, Employee

  • 3,608 Points 3k badge 2x thumb
Hello Sachu, 

If  you reboot the controller with a serial console connection, do you see the Controller and Controller Rescue ?  This article has steps to take once at that menu.  

https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-revert-the-controller-image-Using-R...

If you cannot get to that menu, I would suggest giving a call to GTAC and opening a case to look further into this. 

https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-contact-Extreme-Networks-Global-Tec...

Regards, 
Jason
(Edited)