Category Archives: Brocade Technical

Non-disclosed posts. For private use.

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 [..]

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, [..]

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 [..]

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 [..]

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 [..]

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 [..]

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 [..]

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 [..]

Brocade Technical, Config Guide, Troubleshooting , , , ,

Time to rethink your zoning strategy –peerzones

With the advance of the FC-GS and FC-SW protocols the change, or more the enhancement, of being able to use Target Driven Zoning provided Brocade with the option [..]

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

tim_txcrd_z What is it? What does it represent?

I get a huge amount of questions and nervous customers who tell me they see this counter increasing at an alarming rate and want to know if this [..]

Brocade, Brocade Technical, Storage Networking , , , ,