Robbie Cannings

An online space to store my technical observations, learnings and anything which may help me or others in the future.

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    30 Jan 2015

    sfpshow - fault-finding on Brocade Fibre Channel Switches

    So you've hit a situation where a Fibre Channel link light has gone out and you don't know what is wrong. Alternately, perhaps you have extremely high latency on just one ESX hosts with regular storage disconnections (even though the link light looks fine) At a high level, it is…

    30 Jan 2015 Read More
    • technical tip
    • Brocade
    • sfp

    13 Jan 2015

    Fibre Optic Specifications summary

    This is just a simple cheat sheet I'll likely expand over time to capture all the useful information pertaining to fibre optic communications. Connectors The most common data connectors are outlined below LC Lucent Connector Typically used for 4Gbps+ Fibre Channel and 10Gbps Ethernet communications. Most structured cabling within a…

    13 Jan 2015 Read More
    • technical tip
    • Brocade
    • fibre channel
    • optical
    • sfp
    • dwdm
    • gbic
    • ethernet

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