Non-disclosed posts. For private use.
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 can be configured to monitor certain traffic flows. SCSI commands such as read, write, xfer-rdy,, status etc can be viewed with the flow –show command.
Interesting Flow Vision bug Read More »
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 excited and want to go clickety..clickety..click..upgrade <<<< hold on!!.
FOS version 9 – Gen 7 Fibre-Channel is here Read More »
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 infrastructure. Not only does it corrupt frames and primitives but is also resulting in traffic flow issues which may even propagate to other fabrics which even have
PortFencing – the hard or soft way? Read More »
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, switch name, switch attributes and a list of all ports and states. It had however its limitations which, with later codelevels, can be corrected.
Dynamic connectivity overview in \”switchshow\” output Read More »
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, switch name, switch attributes and a list of all ports and states. It had however its limitations which, with later codelevels, can be corrected.
Dynamic connectivity overview in \”switchshow\” output Read More »
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 longer supported. This basically means that your BNA (or any OEM version) older than that release is not being looked at when yo have a problem with
BNA before 14.4.1 is no longer supported Read More »
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 a FC switch an attached device (or N-port in technical terms) is not more than a source or destination where frames originate from or can be sent
Initiator, Target, Both or None ?? Read More »
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 especially if you have X6 director class switches hooked up to a 240 volt, 50 Hz power mains as well as sitting between a rock and a
FOS 8.2.1 – the one that is required.. or not? Read More »
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 ACL\’s and other physical or non-physical borders so bad dudes being able to exploit the vulnerability is relatively unlikely. Just in the event you still want to
Brocade Network Advisor vulnerable to SWEET32 Read More »
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 about to be scripted, configured, designed etc. If you are responsible for an overall environment from Apps to servers to networks and storage you can make very
Host based mirroring kills your storage network!! Read More »
