Dell EMC XtremIO Review

The most valuable features are low latency, high I/O, and large bandwidth. When you lose one of the scale-out nodes, your hosts will see a large drop in I/O.

What is most valuable?

  • Low latency
  • High I/O
  • Large bandwidth
  • Helps my SAN perform at a high rate

How has it helped my organization?

It has improved the end-user experience:

  • More fluid VDI
  • Faster SQL searches
  • Quicker data migrations

What needs improvement?

Replication: XtremIO has none

Controller failover: When you lose one of the scale-out nodes on XtremIO, your hosts will see a large drop in I/O while it occurs and EMC is unaware of how their controllers work. As it is shown in their demos, the work load after a failure is spread across each node. But if you look at the “ACTUAL” process, the work is loaded on each node until that node gets to 100%. Then, the work goes to the next node and repeats. So, in the event of a failure, you will have several nodes at 100% and others at 25% load.

Data recovery: In the event of a dual power supply failure, the array has to be recovered from a backup.

For how long have I used the solution?

I have used EMC for two years.

What do I think about the stability of the solution?

We did have stability issues.

What do I think about the scalability of the solution?

We have not had any scalability issues.

How are customer service and technical support?

Technical support is average. EMC has no telemetry.

Which solution did I use previously and why did I switch?

We switched for performance and cost.

How was the initial setup?

The initial setup was straightforward.

What's my experience with pricing, setup cost, and licensing?

There are better solutions available.

Which other solutions did I evaluate?

We evaluated Pure Storage, Nimble Storage, NetApp, IBM, and Cisco.

What other advice do I have?

Don’t use this product. There are better solutions out there.

**Disclosure: I am a real user, and this review is based on my own experience and opinions.
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