- #HP DL360 G6 MEMORY POPULATION RULES INSTALL#
- #HP DL360 G6 MEMORY POPULATION RULES FULL#
No mixing DIMM voltage all DIMMs must be the same voltage. The paired slots will be 1,4 2,5 3 6 on a 3DPC system or 1,4 2,5 on a 2DPC system #HP DL360 G6 MEMORY POPULATION RULES INSTALL#
Always install DIMMs in channels 1 and 2 for each installed processor. To order additional (single) hard drive blanks, use either: P/N 666987-B21: HPE SFF Hard Drive Blank Kit or P/N 666986-B21: HPE LFF Hard Drive Blank Kit. NOTE: Pre-configured models come populated with some hard drive blanks. DIMMs in channels 1 and 2 will be installed in pairs. Observe the general DIMM slot population guidelines (on page 45). NOTE: HPE ProLiant D元60 Servers offer both SFF and LFF versions in CTO.
For lock-step mode, channel 3 must be unpopulated. 
Channels 1 and 2 are populated identically
For memory mirroring mode, channel 3 must be unpopulated. Heaviest load (DIMM with most ranks) within a channel goes furthest from the chipset. Populate DIMMs from heaviest load (quad-rank) to lightest load (single-rank) within a channel. You can only install two UDIMMs per channel if available, the third slot in the channel must remain empty. You can only install two quad-rank DIMMs per channel. You can only have up to eight (8) ranks installed per channel. It is not required, but it is recommended to load the channels similarly if possible. To maximize performance, balance the total memory capacity between all installed processors. If only one processor is installed in a 2CPU system, only half of the DIMM slots are available. Do not install DIMMs if the corresponding processor is not installed. Do not mix Unbuffered memory (UDIMMs) with Registered memory (RDIMMs). DIMM slots that are white should be populated first. Memory channel 3 consists of the three (3) DIMMs that are furthest from the processor. Memory channel 1 consists of the three (3) DIMMs that are closest to the processor. There are three (3) DIMM slots for each memory channel eighteen (18) total slots. There are three (3) channels per processor six (6) channels per server. For servers with eighteen (18) memory slots:. #HP DL360 G6 MEMORY POPULATION RULES FULL#
Some DIMM installation guidelines are summarized below: ProLiant iLO management The D元60 G6 provides a high performance system, ideal for the full range of scale out applications. This means that there are strict limitations on the amount and type of memory that you can use and there are strict guidelines for how much memory can be used in a server given a CPU/Memory combination.įrom the Quick Specs document of the D元60 G6: Reply back with your setup, and we can help optimize.Can’t say I should not have known this (because it’s in the quick specs of both servers) but the new D元60G6 and D元80G6 have different memory management than the previous generation. RAM can be seen by both CPUs, but you have to popular on both sides if you have two CPUs. using 3 to 6 DIMMs per CPU is going to be faster than running with all 18 slots populated. There are also memory channel population tips that affect bus speed. results are best if an equal amount of RAM is assigned to both CPUs. Memory-processor compatibility information SmartMemory Memory subsystem architecture Persistent memory and NVDIMM terminology DIMM ranks DIMM identification NVDIMM identification Memory configurations General DIMM and NVDIMM-N slot population guidelines Identifying.
Performance is maximized if you balance across each CPU's DIMM banks. High-performance fan option Processor and fan option Memory options. 
Installing the additional CPU opens the other 9 slots up for use. You can only use half of them because the server only has one CPU installed.
Here's a technical deep-dive on the Nehalem/Westmere CPU architecture that explains the memory side of things.Īt present, you have 9 available DIMM slots out of the 18 slots on the server. HP also has an interactive Memory Configuration Tool to help step you through the process and your options. This is documented primarily in the Quickspecs for the system, but I'll try to give some specific guidelines. Can you share what's currently populated and what your final RAM amount/goal is? The HP ProLiant D元60 G7 server (and other Nehalem-and-newer CPU systems) have a set of memory DIMM population guidelines.
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