Fujitsu M10-1: Changing Memory Configurations Considerations
(Doc ID 1981987.1)
Last updated on MARCH 25, 2021
Applies to:
Fujitsu M10-1 - Version All Versions and laterInformation in this document applies to any platform.
Symptoms
Fujitsu M10-1 system can't see sections of memory after physically altering the memory configuration.
Changes
System (OVM) cannot identify sections of memory, when:
- it is an M10-1, and
- domain configuration is NOT “factory default” (which means, domain configuration is changed from the default), and
- memory interleave is changed by “modifying memory configuration”
Modifying memory configuration means either:
- Number of DIMMs in either group (group-A / B) is changed from 4 to 8, or 8 to 4, or
- Capacity of 8 DIMMs in either group (group-A / B) is changed from the same capacity to the different capacities (such as “eight 8GB DIMMs” to “four 8GB DIMMs and four 16GB DIMMs”), or from the different capacities to the same capacity)
Because M10-4/4S is always working with multiples of 8 DIMMs with the same capacity this issue won’t happen.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |