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Powerpath/VE

M

ManateeMatt

Limp Gawd
Joined
May 27, 2009
Messages
145
A simple question for all who have EMC SANs.

Is powerpath worth it? Did you notice a big improvement between when you had it and when you didn't?
 
nothing at this point, we don't have anything setup at all right now. I was wondering if it would be worth it to get it now and be done with it.
 
You can always add it later. It just depends. The nice thing is that you now don't have to go to Enterprise Plus licensing for it, you can do it with just Enterprise. I recommend it to some clients and not to others...just depends on the workload. You will get better performance with it. The multipathing in vSphere isn't bad but PP/VE is much better.
 
What is the rough estimate on the cost of it. I've never priced it out, and, what ability is there to "demo" it in a production environment. I am curious what the impact would be.
 
I just received pricing from my Dell/EMC team and for 28 CPU licenses it came in at $25,333 or $904.75/CPU
 
RiDDLeRThC said:
I just received pricing from my Dell/EMC team and for 28 CPU licenses it came in at $25,333 or $904.75/CPU
Click to expand...

Pretty damn pricey. Better have some good justification for it depending on the expected speed of the ROI and how agressive the p2v strategy is. I guess that assumes its a new project. I would think if you were 'finishing' or had a significant load in the environment already which was creating heavy path utilization, then it might be easier to justify. Up front it seems kind of difficult to me.
 
defuseme2k said:
Pretty damn pricey. Better have some good justification for it depending on the expected speed of the ROI and how agressive the p2v strategy is. I guess that assumes its a new project. I would think if you were 'finishing' or had a significant load in the environment already which was creating heavy path utilization, then it might be easier to justify. Up front it seems kind of difficult to me.
Click to expand...

I've heard clients say they can't justify the cost. Budgets are still kind of tight these days.

However, now that RR is supported it's best to try that first. If you need more, PP is a great option.
 
Is RR supported? I was told by EMC that we cannot use RR. Even though when I look at my paths the Active and Active I/O paths are on the same controller.
 
RiDDLeRThC said:
Is RR supported? I was told by EMC that we cannot use RR. Even though when I look at my paths the Active and Active I/O paths are on the same controller.
Click to expand...

RR is supported by VMware, it was experimental previous to vSphere. With ALUA the ESX(i) hosts can see the active optimized and unoptimized paths assuming you don't have a truely active/active array.

I would listen to your vendor, if they say don't use it, don't use it. Although I am suspicious of "people" in general, so if I were you I'd find the best practice guide for your array on their website and read it for yourself.
 
RiDDLeRThC said:
I just received pricing from my Dell/EMC team and for 28 CPU licenses it came in at $25,333 or $904.75/CPU
Click to expand...

That's pretty much right on for pricing. You can sometimes push hard and get a better discount on it (since it's licenses and not gear), especially if it's part of an array deal. But, it's not a cheap option. I wish it were.
 
NetJunkie said:
That's pretty much right on for pricing. You can sometimes push hard and get a better discount on it (since it's licenses and not gear), especially if it's part of an array deal. But, it's not a cheap option. I wish it were.
Click to expand...

It was supposed to be apart of the array deal but somehow slipped through the cracks. Now getting a budget for it will be impossible.
 
RiDDLeRThC said:
We have an AX4 and a CX4. The AX4 is on the latest FLARE release. The CX4 will be on the latest release once installed.

Thanks for the blog post, i will read up on it.
Click to expand...

The AX4 tops out at FLARE 28 so it can't do ALUA. ALUA came in FLARE 28.5.
 
NetJunkie said:
The AX4 tops out at FLARE 28 so it can't do ALUA. ALUA came in FLARE 28.5.
Click to expand...

OOF. I wish I were more familiar with their arrays. Always pays to listen to the vendor assuming you trust the particular person. Sounds like the guy was right :(.
 
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