Thursday, April 8, 2010

World's Largest DVR


The Godzilla of DVRs is here, sending millions of people fleeing -- to their TVs.

SnapStream's monster DVR system can record a whopping 50 channels at once. This requires the storage capacity of more than 125 TB (equivalent to 326 TiVo Premier boxes). As the name suggests, don't expect this device to fit comfortably into your entertainment system -- you'll need a 25U half rack!

Though all you need is a coax cable to hook it up, it does need two 15 amp power plugs and a 10 GB Ethernet (or up to 8 bonded 1GB ports) uplink.

The secret behind this technology is the clustering technology.

One SnapStream node is designated as the master and another can be designated to perform other functions. The “master” node doles out work to the various nodes. The network meshes the nodes together, allowing them to talk to each another, correctly balance workload and use each others' storage. The interconnect on this SnapStream Cluster is via an HP Procurve 2910 switch, with two 1 GB copper Ethernet ports bonded via LACP per server.

With the grand unveiling taking place at the National Association of Broadcasters Show in Las Vegas next week, it appears SnapStream is targeting the broadcasting/media market for now, but this capability will undoubtedly have the security industry chomping at the bit.

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