How to check and clear case intrusion event on SKY-821E3?

Purpose:

Case intrusion event will be asserted if someone open the top cover of the system, no matter the system is power on or off. When the event asserted, MNR LED on front panel will lights up as well for indicating system managers this event.

Assemble the top cover back will not de-assert this event or clear the LED, but must have the manager to clear it by commands.  The article guides how to clear the event on different servers.

Target Audience:

SKY/FWA series servers which with Advantech BMC code running.

Prerequisites:

Install "ipmitool" utility in your Linux OS before run it.

• How to install ipmitool?

https://advantech-ncg.zendesk.com/hc/en-us/articles/360033313052-How-to-Install-IPMItool-

Explanation:

1. Check whether case intrusion event triggered, messages below indicate the event triggered.

# ipmitool sdr elist
...
CASE_INTRUSION | 08h | ok | 23.0 | General Chassis intrusion
...

# ipmitool sel elist | grep -i case
...
 c | 01/22/2024 | 08:50:49 | Physical Security CASE_INTRUSION | General Chassis intrusion | Asserted
...

2. Clear case intrusion event.

Be sure you have assemble the top cover back before doing this command, or the event will not be successfully cleared.

#ipmitool raw 0x04 0x00 0x20 0x00

Check the event successfully cleared

# ipmitool sdr elist

...
CASE_INTRUSION | 09h | ok | 23.0 |
...

# ipmitool sel elist | tail -1
 d | 01/22/2024 | 08:56:28 | Physical Security CASE_INTRUSION | General Chassis intrusion | Deasserted