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March 06, 2017


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A couple more thoughts:

SDS allows scaling compute and storage independently. Large customers need that, like the ones with 20PB you mention. Don't need more compute or "fat" compute to extend storage capacity and vice versa.

The second one is organizational :-). Some LE customers I encounter still have the server, storage, network silo'ed IT management organizations. SDS will let the IT storage org continue their operational model by replacing SAN with SDS and providing same kind of SLA oriented storage services. HCI is targeted more at the server admin (rather vSphere admin :-) ).

Mike B

vSAN is an excellent product and it doesn't suprise me that it is blazing the path for HCI growth however I am not sure if the vCenter management integration is a great benefit or a reflection of the the limited number of configuration choices. The lack of ability to access or scale the datastore outside the cluster prevents vSAN from being able to completely push the traditional SAN solutions outside of the datacenter. I wonder how the growth of vSAN will affect the Tintri IPO this year as in my mind they seem to target the same customer who wants fast, reliable storage and is willing to sacrifice flexibility for ease of use.

I am very excited to watch ScaleIO grow. I see ScaleIO being the HCI solution that enables entire datacenters to run without a traditional SAN. As ScaleIO grows and gains more exposure I think customers who are looking at their VMAX or VNX lease ending soon will turn to ScaleIO as a potential successor. I can see ScaleIO in combination with products similar to DDVE and Unity VSA powering the storage services of the fully software defined datacenter.

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