Tag Archives: virtualization

VLP RDIMMs for virtualization on Blade Servers

Why Netlist 16GB VLP RDIMM outperforms the competition

UPDATE: 07/06/2012 – VMware certifies Netlist as sole memory vendor

Netlist claims their 16GB VLP RDIMM has improved performance and reliability/robustness vs. the competitors’ products. And is also cheaper to make.

VMware has certified Netlist 16GB VLP RDIMM memory modules for use with VMware products – it is the only VLP memory product certified by VMware.

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Memory for VMware virtualization servers

VMware certification limited to Netlist HyperCloud and VLP only

Netlist becomes the only memory certified by VMware on it’s virtualization products.

I cannot find a VMware testimonial in favor of LRDIMMs.

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Memory options for the IBM System x3650 M4 server – 32GB memory modules

For 32GB memory modules – the problem with 32GB RDIMMs

32GB RDIMM will only be available in 4-rank (4-rank).

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Memory options for the IBM System x3650 M4 server – 16GB memory modules

For 16GB memory modules use at 1 DPC and 2 DPC

If the memory you need is going to require 1 DPC, or 2 DPC, you are better off buying the IBM RDIMMs.

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Memory options for the HP DL360p and DL380p servers – 32GB memory modules

For 32GB memory modules – the problem with 32GB RDIMMs

Currently HP does not list a 32GB RDIMM in the docs (although it may still offer it).

http://h18004.www1.hp.com/products/quickspecs/14225_na/14225_na.html
Overview
HP SmartMemory

The reason is that the 32GB RDIMM will only be available in 4-rank (4-rank).

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Memory options for the HP DL360p and DL380p servers – 16GB memory modules

For 16GB memory modules use at 1 DPC and 2 DPC

If the memory you need is going to require 1 DPC, or 2 DPC, you are better off buying the HP Smart Memory RDIMMs.

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Installing memory on 2-socket servers – memory mathematics

Background – 2-sockets, memory channels and DPC

On a 2-socket server (2 processors on the motherboard), each Romley processor has 4 memory channels (up from 3 of pre-Romley). On each memory channel if you use 3 DPC (3 DIMMs per channel) you have:

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