ESX Host:- SEL Fullness

sharasha
sharasha used Ask the Experts™
on
Hi There,

I am having a ESX Host 3.5 and I am seeing the warning Message at Health Tab. "System board 1 SEL Fullness 100 Percentage
SEL.JPG
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Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
The SEL acronym stands for System Event Logs. These are logs held in the hardware. While ESX detects these, it does not control them. The logs detected by ESX can be found in the file /var/log/ipmi_sel

If these entries are reviewed and nothing of concern is found, they can be cleared via the BIOS on the Hardware -> Advanced Setup -> BMC -> BMC System Event Log.

Source
https://www-304.ibm.com/support/docview.wss?uid=isg3T1011612
Most Valuable Expert 2013
Top Expert 2013

Commented:
Your System Event Log is full!

Depending on your specific system use RSA, DRAC ot ILO etc. to clear it.

Or use VCenter - Hardware Status - Alerts and Warnings.

wmp

Author

Commented:
@hanccocka: Hi I was not able to find ipmi_sel but I found ipmi which was the folder. There was nothing present inside the folder. And if you are talking about Bios... I think we should reboot the server but this is a Production ESX host having 30 VM's running on it.

@woolmilkporc:: Hi I cleared the Event Logs in RSA but no luck
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Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
In the Server BIOS!

You cannot clear the logs from the VI Client. (that's only later in ESX/ESXi 4.x)

These are logs held in the hardware. While ESX detects these, it does not control them. l

If these entries are reviewed and nothing of concern is found, they can be cleared via the BIOS on the Hardware -> Advanced Setup -> BMC -> BMC System Event Log.

So you will need to shutdown the server, if they concern you, and Enter the BIOS to reset.

Author

Commented:
@hanccocka: Thanks for the information:- But I cannot take the ESX down so easily as it has got 30+VM servers running on it.Can you please suggest me any other way which does not require Downtime
Most Valuable Expert 2013
Top Expert 2013

Commented:
Don't panic!
When the SEL gets full the oldest entries are overwritten, that's all what happens!

Strange that this shouldn't worK:

Log in via RSA to the ASM Interface, select "Monitors" -> "Event Log" -> click "Clear Log" at the bottom, or "Save to text file ..."


wmp
VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017
Commented:
Yes, I appreciate you cannot take the server down. Because it's production and has 30+ VM, you will need to schedule it during the next maintenance window.

The logs are cleared using the Server BIOS, which means you will need to do this, in the next scheduled server reboot/shutdown. Until then, it will not be effecting service, other than giving you a Warning Alert.

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