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New multifabric NEM for Sun Blade 6000
Thursday, August 28. 2008
You may have noticed, that the Sun Blade Servers donīt have Ethernet or FC on board. They just have 4 PCI-E connections to the outside world (2 to the NEM slots, 2 to the PEM slots). Sun announced an really interesting new NEM.
24 ports in total, 10 Gigabit-Ethernet Ports, 10 10-Gigabit-Ethernet-Ports and 4 SAS Ports for outside connections to SAS drive enclosures (albeit not supported in the initial release). You will find further specification on the website for the Sun Blade 6000 10GbE Multi-Fabric Network Express Module By using this module every blade has 1 GBE and one 10GBE port and you can put up to two modules in a Blade 6000. So you have a redundant production network connectivity, redundant admin network connectivity and still two free PEM slots for Infiniband or FC.
24 ports in total, 10 Gigabit-Ethernet Ports, 10 10-Gigabit-Ethernet-Ports and 4 SAS Ports for outside connections to SAS drive enclosures (albeit not supported in the initial release). You will find further specification on the website for the Sun Blade 6000 10GbE Multi-Fabric Network Express Module By using this module every blade has 1 GBE and one 10GBE port and you can put up to two modules in a Blade 6000. So you have a redundant production network connectivity, redundant admin network connectivity and still two free PEM slots for Infiniband or FC.
Posted by Joerg Moellenkamp
in English, Sun/Oracle
at
07:27
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This is excellent news.
If there are 20 ports per NEM, I would imagine that you will lose 2 10GB ports as uplinks, am I right in my assumptions?
If there are 20 ports per NEM, I would imagine that you will lose 2 10GB ports as uplinks, am I right in my assumptions?
This NEM isnīt a switch. Each blade get a 10 GB port and a 10 GbE Port. The SATA ports are a different story, but they arenīt supported at the moment anyway ...
Slight corrections (from somebody in Constellation engineering @ Sun) -- All of our Constellation blades have 1Gbps Ethernet MACs on them -- the NEMs provide a pass through for the physical link.
The Multifabric NEM mentioned here provides 10Gbps capability in addition to the 1Gbps PHYs, and those 10Gbps NICs appear to each CPU blade as a PCI Express device. The 10Gbps interfaces are in addition -- no 1Gbps interfaces are lost.
You also have a pair of SAS ports on these guys.
The Multifabric NEM mentioned here provides 10Gbps capability in addition to the 1Gbps PHYs, and those 10Gbps NICs appear to each CPU blade as a PCI Express device. The 10Gbps interfaces are in addition -- no 1Gbps interfaces are lost.
You also have a pair of SAS ports on these guys.
+1
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