Tag Archives: brocade

FOS version 9 – Gen 7 Fibre-Channel is here

Yahooo… (No not the company) FOS version 9 is here. The one that starts to support Gen 7 (64/256 Gbit) Fibre Channel. Now, just in case you’re getting [..]

Brocade, Brocade Technical , , ,

Dynamic connectivity overview in “switchshow” output

In a Brocade environment the “switchshow” is one of the most used commands out there. It provides a quick overview of what the state of the switch is, [..]

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High Memory and CPU utilization on a FC switch.

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Troubleshooting , , , ,

The DCX man has retired.

In 2008 Brocade announced the 8G director class switches DCX and DCX-4S. A rather impactful release of a new piece of hardware where the next generation FC ASIC [..]

Brocade, Storage Networking , , , ,

Crackdown on FOS support

If you’ve read my articles over the last decade or so you’ve seen I’m keen on maintenance. Both from a physical hardware as well as software perspective a...

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Brocade, Fibre Channel, Storage Networking, Troubleshooting , , , , ,

BNA before 14.4.1 is no longer supported

I’ve already mentioned that BNA was End-of-Life and will/is (be) replaced by SANNav. As of the time of this writing any BNA version older than 14.4.1 is no [..]

Brocade, Brocade Technical, Storage Networking , , , ,

SFP in -INF state

The entire IT industry is packed with mathematics. So instead of keeping things easy we need to work our way around imposed restriction that have been imposed on...

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Troubleshooting ,

FOS 8.2.1 – the one that is required.. or not?

Like clockwork Brocade releases new FOS version around every 6 months. No news here. FOS 8.2.1 is however a release you may need to pay special attention to...

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Brocade Technical, Troubleshooting , , ,

When to replace an SFP

Maybe the title should be “When to NOT replace an SFP” as I see in many occasions it is seen as a first option of fixing problems. In...

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Config Guide, Troubleshooting , , ,

FOS 8.2.0 – The first Broadcom FOS release.

With the transition to Broadcom the Brocade entity now operating under that flag has release it’s first major release 8.2.0. The release notes show a somewhat strange title: [..]

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