Avamar Switching

Avamar RAIN configurations are composed of at least 5 individual nodes all connected together to create a single array with a single point of management.  These arrays are linked together with what EMC calls a “cube switch” which is simply an IP switch/hub like you would find in any data closet.  Typically when you purchase an Avamar array these switch(es) are included as part of the configuration.  Everything gets networked together when the Avamar array is installed and you’re off to the races.  Simple enough right? 

Honestly I never put much thought into what brand of switch was being used or any of the speeds and feeds associated with it.  What’s more, no one ever asked, even after over a year and a half of selling Avamar.  Finally the question came up from one of our clients so I had to get my learn on.  After a few calls to various contacts at EMC we had our answers.  So, since I’m always up for sharing the knowledge here is some info on the Avamar Cube switch for any of you who are interested:

Manufacturer:              Allied Telesis

Model:                                 AT-9924 (dumbed down to basically a hub)

Type:                                   Multilayer IPv4 and IPv6 Gigabit switch

Ports:                                    24

Power:                                 Dual Power Supplies – 75W maximum

Heat (BTU):                     256 BTU/hr

Size:                                        1 U each

Switching Capacity:   48Gbps

If you want to see the entire data sheet you can check it out here:  http://centre.com/media/datasheets/9900_family_ds.pdf

Now something more important to note is that you do not HAVE to use these EMC cube switches when you implement Avamar into your network.  This is good news for many companies that have strict restrictions on what types of networking devices can be installed.  As long as you have 2 available gigabit Ethernet connections available per Avamar node you can connect Avamar directly to your existing infrastructure.  More than like you would want to VLAN this traffic off but even that is not required.


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