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* Posts by DrDedupe

12 posts • joined 16 Dec 2009

Shrewd El Reg plotter shows storage bods in revealing numbers

DrDedupe
Facepalm

Interesting Chris but a bit misleading. EMC revenue includes VMware, documentum, RSA, etc. By the same token I assume that the bulk of Symantec's revenue do not come from storage software. Why not compare revenues from storage products alone? This would be more relevant.

Larry Freeman

NetApp Senior Technologist

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Storage company promises INFINITE IMMORTALITY

DrDedupe
Boffin

Re: Not being picky at all

The key phrase here being a single volume - want more capactiy..add more volumes. Sure this can be said of any storage vendor, but not at 20PB a pop.

DrDedupe

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Isilon Maverick flyboy in EMC World flyby

DrDedupe
Alert

Re: Mavericks touched a nerve with some net app folks, eh?

Not so much touched a nerve, but left me wondering why after 12 years and with DD under the engineering umbrella of EMC why Isilon can't figure out how to dedupe. Everyone is asking for dedupe - WORM, not so much.

DrDedupe

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DrDedupe
WTF?

Really??

"There appears to be no chance of NetApp's mainstream FAS arrays approaching this level of performance"

I really hope this doesn't turn into benchmark-athon. Fact is that NetApp and Isilon offer similar products and both attract customers for the same workloads. My question is: Still no dedupe?? Maverick?? Really?? OK 3 questions...

DrDedupe

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HP storage biz ready for battle again

DrDedupe
FAIL

Where is the old HP innovation?

StoreOnce is a crown jewel of HP's storage lineup? Lets see, its a very fast VTL with dedupe - just like EMC's, Dell's, Sepaton's and just about every other VTL. Remember - "World's Fastest" is a fleeting term in this industry. But wait - they've also integrated dedupe into HP Data Protector - just like Avamar, Legato, Commvault and a host of others. Ho-hum. Finally, there is the HP idea of integrating dedupe across all storage tiers. Let me be the first to point out to Ms Whitman and Mr Scott that an idea is not a product.

I'd like to think that HP is on the forefront as they claim but the facts speak otherwise.

Larry Freeman aka DrDedupe

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Isilon and a question of Big Data

DrDedupe

Dedupe and Big Data = Diminishing Returns

Wayne,

You are missing the bigger point. the law of diminishing returns applies to dedupe and scale-out storage. There is no reason to dedupe a PB of data if that PB contains lots of dissimilar objects. Instead, intelligently group objects with similar characteristics and dedupe the groups much more efficiently. Like my Dad used to say, there are two ways to fix a problem, you can use a sledgehammer or use your brain.

DrDedupe

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DrDedupe
Happy

If you are smart, dedupe will work with all data - big or otherwise

First of all, congrats on your new position Rob-

Next, on the topic of dedupe and scale-out, yes its true that dedupe will not scale infinitely - at some point the return is not worth the investment made in creating billions of metadata hashes with longer and longer lookup times. Anyone promoting global deduplication is likely confusing marketing hype with technical reality.

The solution for scale-out dedupe will be to store similar data in manageable storage volumes. Object-oriented file storage will play an important role here by grouping similar files into common repositories. The probability of finding dupes goes up, and the time to find the dupes goes down. Simple, huh?

DrDedupe

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Startup offers penalty-free file data reduction

DrDedupe
Stop

In the interest of fair reporting

Chris allow me to point out a few things here:

1) "Scaling back" colour and resolution attributes may not be desirable, especially in regulatory and compliance instances.

2) the 5%-10% savings attributed to NetApp dedupe is based on one customer's comment, hardly represents an installed base of tens of thousands of dedupe Users.

3) Penalty-free? Dedupe's value in primary storage is providing reasonable capacity savings without degrading performance. Dissecting files, rescaling, and removing duplicate images, seems like some mighty heavy lifting to me - why no mention of the performance penalty?

Larry Freeman aka DrDedupe

(a NetApp Employee)

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NetApp deduping virtual tape in limbo

DrDedupe
Thumb Up

Don't forget SnapVault

@ JL 1

Good comments and good perspective on what's happing with VTL's. As far as NTAP, don't forget a little feature called SnapVault. You could go so far as to say that SnapVault and dedupe combine the best attributes of Inline and Postprocess (and the best of Source and Target dedupe?). I wrote about this a while back...

http://blogs.netapp.com/drdedupe/2008/08/the-great-debat.html

PS full disclosure I am an employee of NTAP

DrDedupe

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DrDedupe

NetApp is following the market

VTL's are losing steam. According Data Domain guru Frank Slootman "People think Data Domain is a VTL, but 90% of the systems we sell are IP-connected, not with a Fibre Channel protocol. "

NetApp is just following the market, disk-backup is far from dead - but VTL might be...

DrDedupe

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Exchange 2010 dumps single instance storage

DrDedupe
Thumb Up

Microsoft did the right thing

Let the storage hardware vendors take care of SIS and dedupe. BTW DrDedupe reported on this in Sept-

http://blogs.netapp.com/drdedupe/2009/09/exchange-2010-dismisses-sis.html#comments

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