Category Archives: Fibre Channel

FC Frame header, or is there more to it

The FC frame header has not changed since its inception back in the late 80-ies. This shows the absolute rock-solid backward compatibility towards previous generation platforms and vendors. [..]

Fibre Channel, Storage Networking , ,

128GFC Fibre-Channel is here

Well, almost… 32GFC is fixed and at the standard has been ratified and the physical specs are moulded in concrete. In addition to this there are functions that [..]

Fibre Channel, Storage Networking , , ,

CRC errors

In Fibre-Channel, and many other network protocols, the use of CRC (Cyclic Redudancy Check) is adopted to detect corruption of frames. Be aware of the word “frames”!! As...

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Config Guide, Fibre Channel, Troubleshooting , , ,

Dynamic Load Sharing (DLS) and In Order Delivery (IOD)

The storage world has always been predictable (from a technical side that is. :-)) This means that data coming from an application through server and traversing a multitude [..]

Brocade, Fibre Channel, Storage Networking , , ,

Buffer Credits for Newbies

Pretty often you get into some sort of mode whereby I forget that there are many youngsters getting their feet wet in the storage arena and some things...

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Config Guide, Fibre Channel, Storage Networking, Troubleshooting , , ,

Why FCoE is bad for Business (Continuity)

Sigh….. yet another post to debunk some FCoE marketing and explain in some more details why FCoE is not good for Business Continuity (or business in general)....

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Config Guide, Fibre Channel, Troubleshooting , , , , , ,

Why Fibre-Channel has to improve

Many of you have used and managed fibre-channel based storage networks over the years. It comes to no surprise that a network protocol primarily developed to handle extremely [..]

Fibre Channel , , , , ,

Closing the Fibre-Channel resiliency gap – 2

So this morning I uploaded my proposal to T11 (13-348v0)  in order to get the ball rolling to get it adopted in the FC-LS-3 standard. (That would be [..]

Fibre Channel , ,

Closing the Fibre-Channel resiliency gap

Fibre-Channel is still the predominant transport protocol for storage related data transmission. And rightfully so. Over the past +-two decades it has proven to be very efficient and [..]

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