2. Reseat the memory modules, and then restart the server.
3. Check the POST error log:
• If a memory module was disabled by a systems-management interrupt (SMI), replace the memory
module.
• If a memory module was disabled by the user or by POST, reseat the memory module; then, run the
Setup utility and enable the memory module.
4. Run memory diagnostics. When you start a solution and press F1, the Lenovo XClarity Provisioning
Manager interface is displayed by default. You can perform memory diagnostics with this interface.
From the Diagnostic page, go to Run Diagnostic ➙ Memory test or PMEM test.
Notes: When PMEMs are installed, run diagnostics based on the mode that is set presently:
• App Direct Mode:
– Run Memory Test for DRAM memory modules.
– Run PMEM Test for PMEMs.
5. Reverse the modules between the channels (of the same processor), and then restart the server. If the
problem is related to a memory module, replace the failing memory module.
6. Re-enable all memory modules using the Setup utility, and then restart the server.
7. (Trained technician only) Install the failing memory module into a memory module connector for
processor 2 (if installed) to verify that the problem is not the processor or the memory module connector.
8. (Trained technician only) Replace the system board.
Migrated PMEMs are not supported
If this warning message appears, complete the following steps:
Intel Optane PMEM interleave set (DIMM X) is migrated from another system (Platform ID: 0x00), these migrated PMEMs are not supported nor warranted in this system.
1. Move the modules back to the original system with the exact same configuration as the previous one.
2. Back up stored data in PMEM namespaces.
3. 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.
4. Delete namespaces with command corresponding to the operating system that is installed:
• Linux command:
ndctl destroy-namespace all -f
• Windows Powershell command
Get-PmemDisk | Remove-PmemDisk
5. 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: https://datacentersupport.lenovo.com/us/en/videos/YTV101407
• Linux: https://datacentersupport.lenovo.com/us/en/solutions/HT508642
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ThinkSystem SR860 V2Setup Guide
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