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Category Archives: Storage Networking
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 [..]
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, [..]
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 [..]
HBA Firmware and Drivers – The Storage Grey Area
Whenever things goes haywire on an OS or application there are two areas that are looked at first: Networks Storage In a fair few cases the issue is [..]
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 [..]
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 [..]
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 [..]
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 [..]