Single-Host Zoning

aaron's picture

Bulletproof Zoning on Xsan

The most mystifying component of our SANs has got to be the fibre channel network. With heavy black boxes, bright orange cables, even lasers, it sends our PKE meter off the scale. Even the management software manages to either look like a Windows program or require -- ack -- Internet Explorer!

This article may help shed just a little light on your fabric. The idea is to set up zones -- lots of zones -- to make your SAN behave more predictably. It can be a lot of work at the beginning, but you get several important benefits.

  • Broadcast traffic is isolated between clients, minimizing client-to-client conflicts
  • New devices are effectively invisible until deliberately added to a zone
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