is fibre channel still relevant? webcast with neuralytix

Is FC Still Relevant? April 22, 2014Ben Woo, Managing Director

Sponsored by Emulex Corporation

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Audience Participation …

• What best describes your existing storage network today:o Only FCo Primarily FC (with some FCoE, IB, Ethernet, FCIP, etc.)o Primarily non-FC (with some FC)o Only non-FCo None of the above

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•Yes!

Is FC still relevant?

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The Right Technology for the Job

Ethernet may not be the best fit for storage

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Mature technology Well understood by storage

administrators Flexible network design De facto standard in most

datacenters High performance Low latency

Fibre Channel Benefits

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Comparison of storage networks

1, 2, 4, 8, 16, 32*

Gbps10, 40, 100*

Gbps1, 10, 40, 100*

Gbps10, 20, 40, 56, 100*

Gbps* Future

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• Scale-up databases• Dense virtualization

o Private Cloudo VDI

• Low latency/ultra-high performanceo SSD

• All data, structured or unstructured, end up on block storage

Performance = Advantage

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Emulex ExpressLane™

• Flash storage shares the SAN with traditional rotating media

• Mission-critical requests are stuck behind requests to slow storage

• Current queuing mechanisms are optimized for throughput, not latency

QoS SolutionSSD Latency Challenge

• ExpressLane creates separate queues for low latency storage-Identified by LUN

• Individual queues are coalesced for latency not overall bandwidth

• Queue associations are made from OneCommand Manager

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Emulex CrossLink™

• Flash requires coordination between nodes

• Current solutions (TCP/IP and UDP) suffer from “roundabout” stack-hopping

• Latency & QoS issues over Ethernet hamper coordination with storage devices

• Trust issues (storage networks deemed implicitly secure)

• Separate Ethernet connectivity requires additional wiring & management

SSD Coordination SolutionSSD Isolation

Challenge

• In-band FC Messaging solves latency & “stack-hopping” for cache or device coordination

• Uses standard & proven FC-CT protocol for FC and FCoE

• Simple interface- kernel or API

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Emulex & Brocade ClearLink (D_Port) Support

Emulex # 1 Gen 5 HBAs + Brocade #1 Gen 5 switches, Together Providing Superior SAN-wide Diagnostics

ClearLink is a rich SAN diagnostic mode fromBrocade Gen 5 FC switches (16GFC)

ClearLink is now supported by all 16G (only) Emulex LightPulse Gen 5 FC HBAs (XE201 based)

Identifies and isolates marginal link level failures and performance issues: SFP, port, & cable

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Neuraspective™

• Bringing all network traffic (WAN, MAN, LAN & SAN) can create new complexitieso Mismatch of packet typeso Client versus server package

• Need predictable, scalable storage network reliableo FC has proven to be reliable

• Protect existing investmento Most datacenters already run FCo Many enterprises have invested $M’s in FC

• ↑VM density = low latency, high IOPS, ultra-high bandwidth

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Before we finish …

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Ben Woobwoo@neuralytix.com @BenWooNY @Neuralytix