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Why frames get dropped at your storage array

Arrays from all vendors have significant troubleshooting capabilities but in most cases these are scambled in the most obscure way you can imagine. You need special tools to be able to have a look at the log-dumps that come out of these systems. The nice part is that they contain a wealth of information including […]

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5-minute initial troubleshooting on Brocade equipment

Very often I get involved in cases whereby a massive amount of host logs, array dumps, FC and IP traces are taken which could easily add up to many gigabytes of data. This is then accompanied by a very synoptic problem description such as \”I have a problem with my host, can you check?\”. I\’m

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The great misunderstanding of MPIO

Dual HBA\’s, Dual Fabrics, redundant cache, RAID-ed disks, dual controllers or switched matrices, HA X-bars, multipath software installed and all OS drivers, firmware, microcode etc etc is up-to-date. In other words you\’re all sorted and you can sleep well tonight. And then Murphy strikes…….. As I\’ve described in my previous articles it takes one single

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