EMC brings deduplication to its server Flash caching

The storage giant said it will offer in-line cache deduplication for its VFCache server software.

In the latest round of storage moves revolving around solid state drives, Flash and the data center, EMC said that it will offer in-line cache deduplication on EMC VFCache.

VFCache is EMC's server flash caching product. The news, which EMC delivered at VMware's VMworld powwow in San Francisco, is the latest in a string of Flash related announcements in recent weeks. For instance, NetApp rolled out new Flash server software and hardware and IBM bought its way into the solid state drive market . Meanwhile, Fusion-io continues to roll along and noted that its ioTurbine software supports VMware environments as well as Linux-based virtualization.

In a nutshell, the storage industry is racing to support so-called hot data, which requires drives and technologies that can be accessed quickly. 


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EMC, parent of VMware, is aiming to leverage its interoperability in VMware environments with the VFCache move. EMC said that VFCache will work with VMware's vSphere vMotion cloud environment to move virtual machines around on the fly.

The storage giant is touting a 3X performance boost with VFCache. With VFCache deduplication EMC said that it can improve cost per gigabyte and boost life expectancy of storage systems.

Among the key points:

  • VFCache will plug into vSphere vMotion to allow admins to maintain and migrate VMware environments.
  • EMC said it will integrate VFCache with its storage portfolio such as VMAX and VNX. The idea is that storage administrators will get one dashboard to spot issues and health of a system.
  • VFCache will support multiple PCIe cards per server.
  • EMC said VFCache and its deduplication tools are available.

EMC has been steadily rolling out Flash hardware and software including all-Flash arrays, the acquisition of XtremIO and Project Thunder, a network attached storage appliance that runs on PCIe Flash. 

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