Category Archives: Brocade Technical

Non-disclosed posts. For private use.

Interesting Flow Vision bug

Ok, truth be told it is not a Flow Vision bug but in FOS 9.0.0 it is flagged as such under defect 653188. As you know Flow Vision...

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Brocade Technical, Fibre Channel , ,

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...

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Brocade, Brocade Technical , , ,

PortFencing – the hard or soft way?

As you can read in my previous articles (here, here and here) having a physical issue on any of you FC links is detrimental to your entire FC...

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Brocade Technical, Uncategorized , , ,

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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Brocade, Brocade Technical , , , ,

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...

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Brocade, Brocade Technical, Storage Networking , , , ,

Initiator, Target, Both or None ??

Whenever you’ve encountered an output of a nameserver entry you may have come across the phenomenon that the fabric has no clue what the attached device is. For...

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Brocade, Brocade Technical, Fibre Channel, Storage Networking, 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 , , ,

Brocade Network Advisor vulnerable to SWEET32

OK, OK, don’t panic. In 99.999% of all cases you’re BNA management system is well dug deep inside the datacenter’s behind a fair few layers of firewalls, switch...

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Brocade Technical, Config Guide, Troubleshooting , , , ,

Host based mirroring kills your storage network!!

System administrators are very inventive and lazy. I know, I used to be one of them. 🙂 Everything that can be done to make ones life easier is...

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Brocade Technical, Config Guide, Storage Networking, Troubleshooting , , , , , , , , ,

Reset the Zoning Configuration and Prevent Mistakes.

There are occasions where you need to remove an entire zoning configuration from a switch. One of them is if you need to add a switch to an...

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Brocade Technical, Config Guide, Troubleshooting , , , ,