Steps to Crash Machine using NMI Switch and configure DUMP

 

Below are steps to configure custom paging file (Restart required) :

 

1. Go to System Properties or type Sysdm.cpl in run command & open system properties directly.
2. Or from System Properties, please click on Advanced System Settings.
3. Under Performance, click on Settings
4. Click on Advanced Tab and then under Virtual Memory , click on Change.
5. Uncheck the “Automatically manage paging file size for all drives”
6. Select Custom Size on C: drive and then set the Initial size and Maximum Size to RAM size in MB + 1024 MB i.e. 66560

 

Below are steps to configure Complete memory dump settings.

 

1. In the same Advanced System Settings.
2. Under Startup and Recovery, click on Settings
3. Under Writing debugging information select Complete memory dump.
4. Under Dump file, keep %SystemRoot%\MEMORY.DMP
5. Uncheck options Automatically restart
6. Click OK to save.

 

Configure NMI switch.

 

Below are the steps to configure the server to take the dump using NMI switch when the issue occurs. The NMI switch should be present on the server.

 

Below is the registry entry that must be made to allow NMI memory dumps to be invoked (reboot required).

 

HKLM\System\CurrentControlSet\Control\CrashControl

    Value Name: NMICrashDump

    Value Type: REG_DWORD

    Value Data: 1 (Decimal)

 

 

Restart the server after configuring the above settings to take effect of the changes.

 

Step to crash the system through HP ILO & capture Memory dump.

Procedure (Login to HP ILO)

              1. Click Information in the navigation tree, and then click the Diagnostics tab.

              2. Click Show System Diagnostics.

              3. Click Generate NMI.

iLO prompts user to confirm the request.

CAUTION: Generating an NMI to the system might cause data loss and data corruption.

Click Yes, generate NMI.