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Barry Whyte

5 months ago

in How I Learned to Stop Worrying and Love Storage Automation on Stephen Foskett, Pack Rat
Well given that the DMX is slower than DS8000 then what does that say? (unless you have some independent benchmark that shows otherwise you'd like to share?)

You could put SVC nodes infront of anything in the open systems world, and get thin provisioning for no extra charge - still be cheaper than paying for it on DMX or USP.
1 reply
Storagezilla How much would an SVC config cost me for 64000 devices? Indeed, how much would SVC cost me to add thin to an entry level DMX? You support what, 2000 devices per IO group 8000 per cluster total?

SVC is only cheap when you're not operating at scale. You've been living off the fat of the land in the midrange market but when we talk DMX scale the wheels fly off the SVC cart and the engine drops out.

5 months ago

in The Difference Between “Integration” and “Frankenstein” on Stephen Foskett, Pack Rat
When SVC is in the mix, we are quite happy to help diagnose from the host to the SAN through SVC and to the storage. The major players in the industry have signed up to a common support agreement when it comes to SANs, not only will we (IBM) help diagnose, but drive through to any vendor that is claiming it aint their problem. I think you might find another TLA corporation does the most finger pointing, and doesn't play ball when things haven't gone their way. Each can read their own into this...

10 months ago

in The Register Gulps Down Blocks and Files on Stephen Foskett, Pack Rat
LOL, I was going to 'congratulate' him last week, but instead ... posted that "some people are hard to please"

http://www.ibm.com/developerworks/blogs/page/st...

1 year ago

in ewan.to - Benchmarking storage on ewan.to comments
Ewan, I sympathise wtith your situation. SPC is aimed more at whats the maximum bandwidth while keeping within certain response times.

If you find the ESS still acceptable in performance, you could always front it with an SVC and investigate some mid-range products - the extra cache boost from SVC will esentially boost the performance of modern mid-range controllers - things have moved on a lot since ESS, and the mid-range DS4800 range maybe enough for your needs.

With SVC you get the FlashCopy as required, and a platform for future SVC code enhancements (lot of good and interesting things planned for next year)

The biggest benefit right now would be the online migration path off of the ESS at a time that suits you (after a small bit of downtime to remap the ESS luns through SVC.

I'm sure your IBM sales rep / business partner can provide plenty of help as required.
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