Lenovo ThinkSystem SR860 V2 Maintenance Manual page 191

Procedure
Step 1. If any of the modules to be installed is PMEM, make sure to complete the following procedure
before physically installing the module:
1. Back up stored data in PMEM namespaces.
2. Disable PMEM security with one of the following options:
• LXPM
Go to UEFI Setup ➙ System Settings ➙ Intel Optane PMEMs ➙ Security ➙ Press to
Disable Security, and input passphrase to disable security.
• Setup Utility
Go to System Configuration and Boot Management ➙ System Settings ➙ Intel Optane
PMEMs ➙ Security ➙ Press to Disable Security, and input passphrase to disable
security.
3. Delete namespaces with command corresponding to the operating system that is installed:
• Linux command:
ndctl destroy-namespace all -f
ndctl destroy-namespace all -f
• Windows Powershell command
Get-PmemDisk | Remove-PmemDisk
4. Clear Platform Configuration Data (PCD) and Namespace Label Storage Area (LSA) with the
following ipmctl command (for both Linux and Windows).
ipmctl delete -pcd
Notes: See the following links to learn how to download and use impctl in different operating
systems:
• Windows:
• Linux: https://datacentersupport.lenovo.com/us/en/solutions/HT508642
5. Reboot the system.
Step 2. Install the memory module into the slot.
https://datacentersupport.lenovo.com/us/en/videos/YTV101407
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Chapter 4 Hardware replacement procedures
183