• When relocating HPE Persistent Memory modules to another DIMM slot on the compute module.
• When relocating HPE Persistent Memory modules to another compute module.
• When reinstalling HPE Persistent Memory modules after replacing the compute module system board.
IMPORTANT: When data must be preserved, Hewlett Packard Enterprise strongly recommends that
you perform a manual backup of all user data on the HPE Persistent Memory modules before
performing relocation procedures.
Requirements for relocating HPE Persistent Memory modules or a set of HPE Persistent Memory
modules when the data must be preserved
• The destination compute module hardware must match the original compute module hardware
configuration.
• All System Utilities settings in the destination compute module must match the original System Utilities
settings in the original compute module.
• If HPE Persistent Memory modules are used with Persistent Memory Interleaving set to Enabled in the
original compute module, do the following:
◦ Install the HPE Persistent Memory modules in the same DIMM slots in the destination compute
module.
◦ Install the entire interleaved set (all the DIMMs and HPE Persistent Memory modules on the processor)
on the destination compute module.
If any of the requirements cannot be met during relocation, do the following:
◦ Manually back up the persistent memory data before relocating HPE Persistent Memory modules to
another compute module.
◦ Relocate the HPE Persistent Memory modules to another compute module.
◦ Sanitize all HPE Persistent Memory modules on the new compute module before using them.
Requirements for relocating encrypted HPE Persistent Memory modules or a set of HPE Persistent
Memory modules when the data must be preserved
• If HPE Persistent Memory modules are encrypted with local key management, either manually retrieve the
HPE Persistent Memory module passwords from the compute module (user-generated passwords only) or
export a password file to a USB key.
Hewlett Packard Enterprise recommends exporting the password file to a USB key.
• Follow the requirements for relocating HPE Persistent Memory modules or a set of HPE Persistent
Memory modules when the data must be preserved.
• Do one of the following:
◦ If HPE Persistent Memory modules are encrypted with local key management, either manually enter
the HPE Persistent Memory module passwords in the System Utilities or import the password file from
the USB key.
◦ If HPE Persistent Memory modules are encrypted with remote key management, enroll the HPE iLO in
the key management server to provide access to the data on the HPE Persistent Memory modules.
Removal and replacement procedures 49
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