Category Archives: Storage Networking

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 yo know the Broadcom and Cisco [..]

Brocade, Uncategorized , , ,

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 [..]

Fibre Channel , , , ,

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 [..]

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 [..]

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 [..]

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 , , , ,

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 [..]

Brocade, Storage Networking , , , ,

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...

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Storage, Storage Networking, Troubleshooting , , , ,

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...

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Brocade, Fibre Channel, Storage Networking, Troubleshooting , , , , ,

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 , , , ,