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March 17, 2011


Nick Triantos

I do have a question...

Why would EMC publish a report on Desktop virtualization for 2250 desktops and only show bootstorm for 1,000 of them..?

That point should immediately jump out to anyone reading that report. You can guess how long it would take to boot 2250 desktops...and it ain't 45 minutes...or 50 or 60 or 70 or 80...it's over 1 1/2 hours.

James Harless

Isn't it unrealistic to be booting 2500 desktops simultaneously? Wouldn't you stagger booting to happen outside of business hours and in increments of a few hundred at a time?

Vaughn Stewart

@James - Great question. I would suggest to you that one needs to consider scale and the capabilities of the desktop software to deploy pools of desktops.

I think we agree that one could micro manage a small number of desktops. I challenge the ability of one to micro manage thousands or tens of thousands of seats as the means to do so would require one to significantly increase the number of points to manage.

Operational nightmare.

Tom Bisson

Vaughn, it was great session to the Cisco team! Thanks for all the update.


Correct me if I'm wrong, but it seems like you are referring to two different EMC technologies: Fully Automated Storage Tiering (FAST) and FAST Cache which acts as an array cache expansion by simply adding EFDs with no downtime of the array. FAST tiering does occur on a scheduled basis to move hot data to high-performance drives and vice versa for cold data but FAST Cache is globally available to the entire array and acts in real-time to absorb peaks such as VDI bootstorms. Your chart is demonstrating the effects of FAST Cache, not FAST.

Vaughn Stewart

@JeremyKeen - Good catch, i will recise the post for accuracy around the data EMC has provided as validation of their tiering technology when used with VMware View.

I do not claim to understand why they would design such an architecture; however, I do believe I have demonstrated there is a better way to meet the storage requirements in a virtualized desktop environment.

Thanks again

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