Ever since the dawn of time the storage administrators have been indoctrinated with redundancy. You have to have everything at least twice in order to maintain uptime and be able to achieve this to a level of around 99,999%. This is true in many occasions however there are exceptions when even dual fabrics (ie physically […]
Cross-fabric collateral damage Read More »
Huh, what did they come up with now??? A new way of zoning? FCoE zones? Is this the opposite of target initiated zoning?? Well, no, actually nothing of such sort. Brocade abandoned FA and QL zoning over a decade ago but so very rarely I run into it. From a FOS configuration perspective these zone
Brocade Fabric Assist Zones Read More »
So every now and then I get the question if it is possible to access the BNA database in order to get info which then can be used to fill an excel spreadsheet for reference purposes. The though process is that often BNA/Storage administrators don\’t want server admins to fool around in BNA and accidentally
Brocade Network Advisor Database access Read More »
Six years ago I wrote this article : Open Source Storage in which I described that storage will become \”Software Defined\”. Basically I already predicted SDN before the acronym was even invented. What I did not see coming is that Oracle would buy SUN and by doing that basically killing off the entire \”Open Source\”
Open Source Storage (part 2) Read More »
You might have heard about it, maybe not, but it can become a problem if it stings you: \”A stuck VC\” . So first of all what is it? Well, basically it is a virtual channel on an E-port or back-end port that has depleted the number of credits on one or more Virtual Channels
Since I\’m working in the IT business for quite some time and especially have been focusing on the storage side of the fence I\’d thought I\’d put my knowledge to the test and try to get some personal satisfaction (if I\’d succeeded that is). I\’ve never been a huge fan of vendor certifications to be
Brocade Distinguished Architect Read More »
The requirements for FICON fabrics have always been different to Open-Systems (OS). The main cause for this is mainly that mainframe environments are deterministic as opposed to OS which use a discovery kind of methodology.
Brocade High Integrity Fabric feature compulsory for FICON Read More »
I ran into this in my lab when upgrading a switch which caused a fabric-segmentation and obviously the release notes of a previous version show: Other Important Notes and Recommendations Management Server Platform Capability support changes in FOS v6.4 FOS v6.4 no longer automatically enables the Management Server (MS) Platform capability when a switch attempts
Upgrade FOS leads to fabric segmentation. Read More »
If you’re in my business of looking at logfiles to be able to determine what’s going on or what has happened one of the most annoying, and frightening, things to see is a sheer amount of failed login attempts. In most cases these are simply genuine mistakes where a lingering management application or forgotten script
Management Security in Brocade FOS Read More »
I’ve found that in many cases it is not the technical people being unwilling to maintain their infrastructure but more to the fact there is so much pressure from commercial and legal entities within companies that every change or action that could potentially have a technical side-effect needs to be reviewed, discussed, assessed and re-assessed
