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Category Archives: Storage Networking
Brocade Fabric Operating System is divided
No, no. It’s not in conflict with itself. It is now physically split up in multiple codebases each for a specific platform....
Preventing Information Overload in SAN Management
The standpoint of getting notified when events happen in SAN environments at all costs may need to be reviewed. As many of you know the Broadcom and Cisco...
FPIN – The Holy Grail of SAN Stability
As some of you may recall about a decade ago I made a proposal to incorporate more intelligence into the end-devices to be able to better react to...
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...
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...
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...