27 PowerEdge R730 and R730xd Technical Guide
Memory sparing allocates one rank per channel as a spare. If excessive correctable
errors occur in a rank or channel, they are moved to the spare area while the
operating system is running to prevent the errors from causing an uncorrectable
failure.
Memory thermal
throttling
This feature helps to optimize power/performance and can also be used to
prevent DIMMs from overheating.
For information on memory mirroring and sparing configurations, see the
Dell PowerEdge R730 and
R730xd Owner’s Manual
on Dell.com/Support/Manuals. Memory RAID is not supported.