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Re-image MARS 20 Issue

jhalterman805
Level 1
Level 1

When I try to re-image my MARS 20 appliance with the recovery ISO downloaded from the CCO and I burn the ISO as it says when booting from the DVD it gets to the menu to select how I want to re-image and it locks up.  Has anyone ever seen this and how did you fix it.  I have had 3 different appliances and they all do the same thing.

1 Accepted Solution

Accepted Solutions

Dustin Ralich
Cisco Employee
Cisco Employee

Hi James.

When I try to re-image my MARS 20 appliance with the recovery ISO downloaded from the CCO and I burn the ISO as it says when booting from the DVD it gets to the menu to select how I want to re-image and it locks up.  Has anyone ever seen this and how did you fix it.  I have had 3 different appliances and they all do the same thing.

You are connected via the appliance's Direct Console (VGA + PS/2 keyboard), right? If you are using a USB keyboard, try a PS/2 keyboard instead.

Also, if this is a CS-MARS 20 model, make sure you are selecting option '1. Distributed Mars - Local Controller', not option #3 (that option only applies to the generation 2 hardware models).

If neither of the above is the cause, then it sounds like a problem with the burnt disc.

  • Verify the MD5 checksum of your local copy of the .ISO image file matches what is shown on cisco.com.
  • Re-burn the ISO image to a new disc, force a "slow" burn speed (4x or less), try another brand of media as well (I have run into a few cases where when other media brands were used, these types of issues went away).

View solution in original post

2 Replies 2

Dustin Ralich
Cisco Employee
Cisco Employee

Hi James.

When I try to re-image my MARS 20 appliance with the recovery ISO downloaded from the CCO and I burn the ISO as it says when booting from the DVD it gets to the menu to select how I want to re-image and it locks up.  Has anyone ever seen this and how did you fix it.  I have had 3 different appliances and they all do the same thing.

You are connected via the appliance's Direct Console (VGA + PS/2 keyboard), right? If you are using a USB keyboard, try a PS/2 keyboard instead.

Also, if this is a CS-MARS 20 model, make sure you are selecting option '1. Distributed Mars - Local Controller', not option #3 (that option only applies to the generation 2 hardware models).

If neither of the above is the cause, then it sounds like a problem with the burnt disc.

  • Verify the MD5 checksum of your local copy of the .ISO image file matches what is shown on cisco.com.
  • Re-burn the ISO image to a new disc, force a "slow" burn speed (4x or less), try another brand of media as well (I have run into a few cases where when other media brands were used, these types of issues went away).

It was the keyboard.  USB is not enabled on the MARS-20.  Thanks for the response!