Random IOM resets

[Cy Hauptmann]

Ok .. I'm confused ... I'm getting random resets on my IOM modules ... it's always the x/2 IOM that reset and and becomes inaccessible. 

What can cause this?                  

[Brian Morrissey]

There are a couple of possibilities, the logs would most likely have to be analyzed to determine the cause.  There are a few commands which you can run from the cli which might give some hints to the reboot cause.

connect local-mgmt X (X being either a or b depending on which FI the affected IOM is connected to)

connect iom X (X being the chassis number)

show platform software cmcctrl ohms all

show platform software cmcctrl uboot logs

[padramas]

Hello ,

I would recommend you to open a TAC service request with UCSM and Chassis X tech support bundle as we need more information to root cause IOM resets.

Padma

[Cy Hauptmann]

I'm wondering if it's my FI as it's only occuring on one side .... the reset are random, it usually consists of 3 chassis at any given time.