Dell EMC XtremIO Flash Review
This is the first time I have witnessed 400,000 IOPS in any kind of enterprise lab.


Originally posted at vcdx133.com.

Today I completed the initial performance testing of my EMC XtremIO PoC system. I wanted to take a shot at it myself before the EMC SMEs come in to tune and optimise the configuration. In a single word, “Wow!” This is the first time I have witnessed 400,000 IOPS in any kind of enterprise lab. I look forward to seeing what additional tricks the experts can make my “X-bricks” perform.

Business Requirement for XtremIO

I can imagine people reading this and asking, “Why? It is so expensive!”. Well, the organisation I work for uses monolithic storage (EMC Symmetrix VMAX) which has been sized for capacity, and after 2 years of use we are feeling the impact of performance degradation as we consume the total capacity of the solution. My business requirement is to create a small but powerful “High Performance” cluster of compute, network and storage that will provide low latency, high I/O resources for my business critical applications that are currently suffering. This XtremeIO PoC is an attempt to meet that business requirement; I am also seriously considering hyper-converged infrastructure and server-side flash-cache acceleration as well.

Iometer Test Configuration

  • 3 x HS22 blades with 2 x 4C Intel Xeon X5570 2.9GHz CPU, 96GB RAM and QLogic HBAs per blade running ESXi 5.5 Update 2 (Boot from DAS)
  • IBM BladeCenter Chassis with Brocade Switch modules connected to XtremIO chassis with 6 x 8Gb FC
  • IBM BladeCenter Cisco 1GE Switch Modules connected to Core switch network
  • EMC XtremIO X-bricks version 2.4.1 with EMC XtremIO Storage Management Application version 2.4.1
  • 8 x 1TB Volumes (Encryption enabled) mounted as VMFS-5 Datastores with VMware NMP set to “Round Robin”
  • 8 x Iometer Dynamos running on Windows Server 2008 R2 with 3 x 40GB vDisks connected to Paravirtual vSCSI Adapters (1:0, 2:0, 3:0)
  • 1 x Iometer Manager running on Windows Server 2008 R2
  • Test 512b, 4K and All-in-one Access Specifications (Two variants: 100% Read 0% Random, 0% Read 100% Rand)

Iometer Test Results

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

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1 Comment

Steve ManzaneroVendor

Rene,
Great review did you alter any of the hosts setting IE round robin and queue depth. This will help bring down the latency times dramatically.

24 June 15
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