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Are the X-IO ISE devices good?

Posted on 2014-09-08
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Last Modified: 2014-10-08
We are about to buy an X-IO ISE 240. Good, bad, ugly?

We don't need a lot of bells and whistles. Small company for about 400 people and 20TB usable needed.

Just need some LUNs presented to esxi cluster.
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Question by:Paul Wagner
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by:Aaron Tomosky
ID: 40311303
Never heard of them so I did a little reading, pretty hard to find a single review actually. All I see is their press release repeated everywhere. Personally I think 13k iops is pretty low for the claim: "ideal for server and desktop virtualization, cloud computing, and other applications with multi-tenant workloads"

Just my 2 cents, no actual experience with them.

Remember that whatever you buy, get a second to replicate to. Take a minute to look at nimble while you're are it.
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by:Paul Wagner
ID: 40313706
X-IO boasts 13,500 IOPS from a 10k SAS drive. Is that actually possible?
Also, is that going to be fast enough to run about 200 XenDesktop machines?
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Aaron Tomosky earned 500 total points
ID: 40313737
It's not from one drive, it's an array so yeah. 10k drives are around 150 iops ( http://blog.whatwoulddando.com/2012/02/05/4-vdi-and-iops/) so that's a lot of drives or there is some flash cache in there. With vdi it's not just while things are running It's the initial boot storm you have to worry about as well as a write heavy environment.

This calculator says you should be good with 4kiops
http://www.unidesk.com/resources/iops-calculator
Cisco quotes 20k iops for 150 desktops turned on at the same time. I like their quote about don't you prefer an ssd on your own single user computer?
http://blogs.cisco.com/datacenter/vdi-the-missing-questions-9-how-many-storage-iops/
Citrix has a good writeup as well
http://blogs.citrix.com/2010/10/31/finding-a-better-way-to-estimate-iops-for-vdi/
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by:Paul Wagner
ID: 40316209
No boot storm. Everyone just disconnects from their session at the end of the day and pick up where they left off in the morning. Rebooting only occurs if they have an issue.

Thanks for the calculator! I was looking for something like that.

SSD seems to have low write speeds so I'm not necessarily impressed when used in a VDI... but I'm also not a proclaimed storage ninja, so I could be wrong.

Still looking to see if anyone knows about X-IO's reputation. Good stuff? Worth a buy? Etc.

I'll give Aaron partial points since it kind of answered some of my concerns.
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