Dell EMC NVDIMM-N Persistent Memory User Guide

Read Only Mode NVDIMM-N

Press PowerON button on the server

Follow the guidance in Section 4 to setup BIOS.

Enable the Persistence Memory, enable “NVDIMM Interleave”, enable “NVDIMM Read-Only”.

When OS is up and running,

$ su

Mount /dev/pmem0 and /dev/pmem1

# mount -t xfs -o dax /dev/pmem0 /mnt/nvdimm0

To see whether it is writable on /dev/pmem0 and /dev/pmem1

# touch /mnt/nvdimm0/write.txt  
# shutdown