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By: Drew

February 15, 2018 5:46 pm

23,614 views

SR-IOV – The way to share real virtualized host devices with a virtual machine

Single Root I/O Virtualization or SR-IOV is a specification that allows the isolation of PCI Express (PCIe) resources. It allows a physical PCIe device or adapter to appear as one or more separate physical/virtual PCIe devices. These virtualized devices are also known as Virtual Function (VF) devices. Two main reasons or purposes for SR-IOV are: […]

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By: Chris Mertens

July 13, 2017 12:05 pm

14,596 views

The holy cluster. Part 2 HAE Setup

Welcome to part 2! Still not braindead after part one (Holy Cluster Part 1 ISCSI Setup)? Fantastic! So here we go. In part 1 I showed you how to setup ISCSI shared storage for the cluster. In this second part I will show you how to set up the HAE server, including creating the STONITH […]

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By: Chris Mertens

July 11, 2017 11:34 am

14,616 views

The holy cluster. Part 1 ISCSI Setup

Since I need to support quite some customers using High Availability Clustering I was quite often in the need to of having a test lab where I can try re-producing customer issues. Sometimes even trying to understand customer issues as well ;-). So I thought hey there must be a complete guide A-Z on how […]

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By: Drew

February 13, 2017 2:30 pm

5,704 views

Are YES CERTIFICATION bulletin Config Notes from “the Dark Side” of hardware compatibility?

The easy answer is nope—no way! That comes from a person with years of YES Certification experience, not some Rogue person who suddenly has their Force Awaken one day! Please read on, because “Fear is the path to the dark side” and “Hard to see, the Dark Side is!” YES Certification […]

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By: Drew

April 25, 2016 9:17 am

16,573 views

Comparison of UEFI and BIOS – from an operating system perspective

In a recent blog (the one right below this one, on the previous .../communities/blog/ page) I discussed the transition from BIOS (Basic Input Output System) to UEFI (Unified Extensible Firmware Interface) firmware from a hardware perspective. In this blog I’ll address the comparison from the operating system perspective. There is a definite overlap between […]

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By: Drew

April 25, 2016 8:58 am

15,586 views

Comparison of UEFI and BIOS – from a hardware perspective

For the past several years, x86 hardware systems (including desktops, laptops, workstations and servers) have been transitioning from BIOS-based (Basic Input Output System-based) to UEFI-based (Unified Extensible Firmware Interface-based) firmware interfaces. This firmware interface is usually just called “system firmware.” It is the initial code that recognizes the hardware components in the system […]

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By: Drew

August 24, 2015 7:56 am

6,373 views

New processor(s) before the next SUSE Linux Enterprise Service Pack – YES to the rescue!

New x86 server processor technology is currently released on roughly a 12-to-15 month schedule. That means that approximately every 18 months there is a major x86-architecture update available from server vendors. Variants of these major processor updates, with different feature sets and/or speeds, are also released in-between the 12-to-15 month release cycle. Desktop and laptop […]

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By: Drew

February 12, 2015 11:23 am

6,242 views

SUSE YES Certification bulletin exposed – part 4

This is the fourth and final blog in the series “SUSE YES Certification bulletin exposed” – designed to help SUSE Linux Enterprise customers and partners better understand what they can learn from a SUSE YES Certification bulletin. The goal is to lessen the stress of future server and workstation hardware purchases. SUSE YES Certification […]

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By: Drew

February 3, 2015 3:33 pm

6,175 views

SUSE YES Certification bulletin exposed – part 3

This is the third blog (of four) in the series “SUSE YES Certification bulletin exposed” – designed to help SUSE Linux Enterprise customers and partners better understand what they can learn from a SUSE YES Certification bulletin. The goal is to lessen the stress of future hardware purchases. SUSE YES Certification bulletin exposed – […]

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