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June 23, 2008

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Nick Triantos

Hi Chad,

"EMC has 23 supported configurations. The next closest is 8. Now, of course, others have one platform, we have many - but that fits our philosophy that customers are different, and means we need to do more work to cover a broader set)"

What that tells me is that I would have to have like to like configurations across sites. How would SRM work with a DMX in production and a Clariion at the Recovery site...with RecoverPoint deployed.

Great blog!!!

Cheers
Nick

Chas Hockenbarger

What I want to know is how you get the hardware repairs through your purchasing department? Surely your CFO forces you to cost-justify the cost of your new hardware against the new dishwasher, microwave, or washing machine!?! :-)

Chad Sakac

Nick - thanks for the comment. I'm an avid reader of yours as well (I'd encourage others to check it out - http://blogs.netapp.com/storage_nuts_n_bolts/)

(I wish I could make mine look half as sharp as yours :-)

I'm doing a post on our "right-around the corner" Replication Manager release (adds similar functionality as the soon to be released SnapManager for Virtual Infrastructure, and I hope you'll not mind if I use your great SMVI post as a template of a good posting (I'll of course credit you ;-)

Answer is that homogeneous ("like to like") configurations across the families (Celerra-Celerra, CLARiiON-CLARiiON and DMX-DMX) are supported.

Recoverpoint also has a Site Recovery Manager SRA (see table 11 in the compatibility matrix, so you can use it in exactly the heterogeneous use case that you describe (DMX-CLARiiON).

If anyone wants to see Recoverpoint in action (it does a lot more than just replicate the data also), there are constant webcasts (as there is for all things VMware/EMC) here: http://info.emc.com/mk/get/RE?reg_src=web&P.ctp_program_execution.Source_ID=AMA00006771

There's also a customer that was using it pre-GA in the beta here:
http://www.emc.com/collateral/demos/microsites/mediaplayer-video/video-hosted-solutions.htm

Right now, we qualed it with IBM as well - but in theory, it is totally heterogeneous, and we are working to qual with all of the serious storage players, including NetApp.

Nick Triantos

Thanks Chad. I saw the IBM DS entry in there. Sticks out like a sore thumb

Nick Triantos

BTW...

Wouldn't DMX production-RecoverPoint-Clariion DR - scenario with SRM require a fabric splitter given that it appears than only Clariion with Flare 26 has an embedded spliter and that the host based splitter requires RDM only on windows 32/64bit systems?

Cheers

Nick Triantos

BTW...

Wouldn't DMX production-RecoverPoint-Clariion DR - scenario with SRM require a fabric splitter given that it appears than only Clariion with Flare 26 has an embedded spliter and that the host based splitter requires RDM only on windows 32/64bit systems?

Cheers

Chad Sakac

Nick, you are absolutely correct. With the caveat of the host splitter and RDMs (we don't see too many customers doing that in VMware configs except where they want to replicate very specific VMs and no others - usually for tight WANs), this configuration requires a fabric splitter.

This can be either a Cicso MDS with an SSM; or a Brocade 7600 or a Brocade 48000 with a FA4-18 blade.

Most of the customers like the ones you've described have these enterprise-class switches already, so it's a matter of adding the SSMs or the FA4-18 blades. Heterogenous replication configurations (like SAN virtualization for heterogeneous mobility) is something generally used by larger customers

The CLARiiON integrated Recoverpoint splitter is used for homogeneous CX-to-CX replication scenarioes (with or without Site Recovery Manager) where they want high degrees of WAN compression, very large numbers of consistency groups, and continuous remote replication and local CDP also. I.e. when they want more than they get with the "out of the box" replicaion of Mirrorview. It's also quite price competitive, for a lot of bang for the buck.

Chad Sakac

@Nick - one followup - it won't be long before even those DMX-CX/NS configurations won't require a fabric splitter.... Hint, hint...

victor

Informative post, this post has created eagerness to go your through upcoming posts.
Keep up good work.

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