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September 12, 2008

Comments

Remember that "Keyser Söze" was also "Verbal Kint" in the movie. Based on his blog, those seem like two very apt characterizations of Mr. Chuck Hollis.

Thanks for the hilarious imagery, Val! Between your Usual Suspects references and Alex's Douglas Adams reference, I'm liking NetApp's people more and more!

Thanks guys. Between politics and movies, I may never run out of analogies and metaphors for our cozy little industry! :)

Val,

You forgot to mention all the negative comment sentiment calling bull**** on EMC's claims over at the Register's article on this (linked at my name below)

Perhaps the icing on this poison cake from EMC is the most recent comment today:
http://chucksblog.typepad.com/chucks_blog/2008/09/odds-and-ends.html#comment-130726354

"Now, just to upset the apple-cart and in fair disclosure; our Exchange 2003 environment currently sits on DMX-3 146 Gig drives in a RAID-1 format. Why, because Microsoft and EMC told us so. Throw the protected BCVs into the mix and our utilization in this environment is terrible!!!"

Truly priceless.

Thanks Roger.

That is such a great customer quote! I took the liberty of highlighting it in your comment above so that it gets the attention it so rightfully deserves.

Curtis - if you're still following this, enjoy! It completely reinforces your perspective on this whole matter.

Hey, I'm the customer who said that and it is indeed true but I'm not sure EMC can shoulder the whole blame; there are a huge number of people involved in producing such a terrible utilisation. Not just EMC, but Microsoft and HP are all in the mix. But put it like this, I don't have any disk bottle neck issues :) So at least that environment doesn't keep me up at night.

I commented a couple of times on the whole utilisation thread but I guess from a customer point of view....I don't care to a certain extent about my RAW to Utilisable disk figures; what I really care about is how much the Utilisable disk costs me and how it performs.

Basically, I get really annoyed when someone quotes me a cost for RAW, then tells my senior exec that cost and I then have to explain that actually the cost to store data on that disk is actually twice what he thought; yes he thought he was buying 400 Terabytes of disk but no, he can't copy 400 Terabytes of video files onto it. I then have to do the full spiel on RAID levels, the difference between base 2 and base 10 etc, etc. BTW I picked HD video files because they tend not to dedupe very well, so I can't use any vendor's special sauce to dedupe it.

Good points Martin. At NetApp we have a saying "disks can do two things well - store lots of data or serve lots of iops - but rarely both at the same time".

MS Exchange is a particularly challenging application due to all its random reads, but we believe our RAID(6)DP solutions yield the highest possible safe storage efficiency compared to RAID 1/0-based competitive offerings. Add in NetApp snapshot vs EMC BCV storage efficiency, and the capacity savings compound.

The good news is 64-bit memory addressing lets Exchange 2007 cache much more I/O than Ex2k3, meaning the short-stroking for random-reads is reduced.

At the other end of the spectrum - your HD video example is useful for lay people. Streaming workloads are less stressful for disks heads to serve, thereby letting customers enjoy more performance per GB than a random-access workload like Exchange.

"disks can do two things well - store lots of data or serve lots of iops - but rarely both at the same time"

This is so true and it needs repeating again and again. The sheer increase in the size of disks has left all the focus on price per terabyte; lay people often look at the cost of the disk they put in their PC and then compare to what enterprise disk costs. It's never pretty! It's time for all storage vendors to be more open and perhaps a little bit cleverer about how they market; clarifying the differences in performance, helping us guys in the storage teams get the message across.

And it depends what you are doing with the HD video...

Val you have excelled yourself. You make out like NetApp are a poor innocent bystander. If you can't take the heat - get out of the kitchen. You guys play your own dirty tricks but it does look like EMC have got under your skin. Keep blogging Chuck.

Hi Steve, and welcome to Exposed!

Look around this and other NetApp blogs lately to see we are in fact loving the heat - and are enjoying bringing the fight for truth right back to EMC's face!

The beauty of these blogs (from all sides) is the transparency they bring to the discussion. In the past, these "discussions" were held with a nudge-and-a-wink inside the old boys networks of various country clubs - where no balanced opinions were available to be heard.

Therefore, I fully concur with your desire to keep Chuck and other like-minded EMC bloggers active and vocal.

Finally, please do indulge us all with examples of the "dirty tricks" you have witnessed. Exposed's readers want to know!

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