Johan Guldmyr Articles


  • 2012-02-27
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Dragonfly - Testing another OS

http://www.dragonflybsd.org/ Install It's based on ... BSD! (FreeBSD 4.8 is apparently what dragonfly span off from) What's weird is that while VMWare Workstation scans the iso (to find which OS it is) it stops responding (other VMs are unaffected). It finds FreeBSD 64-bit. It has a 'hammer' …

  • 2012-02-25
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Tails - A LiveCD/USB Linux Distribution

http://distrowatch.com/table.php?distribution=incognito It looks like it's been renamed to 'tails'. It is based on Debian, is a LiveCD and it's purpose is to preserve anonymity and privacy. When you install it in a VM it gives a pop-up to this link saying that running it …

Difference between SAS, SATA and NL-SAS

http://aussiestorageblog.wordpress.com/2012/02/21/riddle-me-this-when-is-a-sas-drive-not-a-sas-drive/ Very interesting and good post that clears up some of the confusion between these!

  • 2012-02-18
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ESXi + VMWare Workstation + OpenIndiana

Before Register and download ESXi here https://www.vmware.com/tryvmware/ Free license can be found there as well. Get ESXi and the vSphere Client. Get an OS to install in a VM (I chose openindiana). Install ESXi in VMWare Workstation 8 40G disk, 4GB RAM, 2 cores, enable Virtualization …

Brocade Certified Fabric Designer - BCFD - Exam

Just took the BCFD (brocade certified fabric designer) exam two days ago. Some tips: Bring some water and food. Good exam, but I am really tired of exams and certifications for now! Also, isn't easy to confuse Brocade Certified Fabric Designer with somebody who makes clothes? Check out my other …

Brocade Certification - BCFD - Objectives

http://brocade.com/education/certification-accreditation/certified-fabric-designer/index.page Data Collection Given a scenario, design a solution that meets the customer's requirements Given a scenario, demonstrate knowledge of resiliency, redundancy, HA, and locality Given a scenario, describe the various documents required in the design assessment Practice by making up many scenarios …

BCFD - SAN Design Best Practices

This is a post in series of me studying for the BCFD - Brocade Certified Fabric Designer and it's my comments on the document SAN Design Best Practices. Apparently this document is planned to be updated. The one I have is version 2.1. To find the latest go to My …

Fibre Channel SAN - Zoning in Detail

http://brasstacksblog.typepad.com/brass-tacks/2012/01/hard-zoning-versus-soft-zoning-in-a-fcfcoe-san.html Usually I don't just post links like this, but I have honestly only just glimpsed through it and it looks very thorough.

BCFD – CFD200 – Module 7 – Integration/Migration and Interopability

Fabric migration planning and implementation Why: faster, better scaling (less switches to manage), running out of ports, hardware refresh, new features. Most of the time is spent assessing, determining strategy, development planning and site preparation. Only 20% is for deployment and validation. The first page describes the order as above …

BCFD – CFD200 – Module 6 – FC Routing and Distance Extension

Second Last module! But that's not the end of it, there are more admin guides, best practices to wade through :) This one is a bit more complicated though, a lot to think about when designing FCR and FCIP SAN networks. FC Routing This is when you have SAN islands (isolated …