A great Q&A about long-distance vMotion, stretched HA clusters, and such by Ivan Pepelnjak. Ivan's a networking expert, but he has gone deeper into the various VM-over-distance technologies than anyone I know. Just go read it: Long-Distance vMotion, Stretched HA Clusters and Business Needs … [Read more...]
Openstack, Lock-In, Support Costs, and Open Source Free Lunches
February 1, 2013 by Leave a Comment
After Bob Plankers got a lot of response on his first blogpost, he'll discuss some of the points made with these comments and discussions. “*You* control your destiny with open source solutions and this is why open source is so broadly adopted in the enterprise.” – @randybias “You can … [Read more...]
10 guidelines for creating good looking diagrams
February 1, 2013 by Leave a Comment
Frank Denneman gives valuable information on how to make great diagrams. If you've read Frank's blog or his books, you know why you should read these 10 guidelines. A picture is worth a thousand words, but don’t draw a giraffe after you wrote three paragraphs about the feeding habits of … [Read more...]
Using XenDesktop 5 with VMware
January 31, 2013 by Leave a Comment
This pretty much says it all: In this blog post I am going to go over using XenDesktop 5 with VMware. You've gotta read Jarian Gibson's article, Using XenDesktop 5 with VMware, if you're going to attempt this! … [Read more...]
Microsoft Windows Server vs Chevy Camaro
January 31, 2013 by Leave a Comment
A fun comparison of Microsoft's continual updating to Windows Server to Chevrolet's updates to the classic Camaro. Derek Melber lists some changes to both and tries to answer his core question: I think Microsoft, with their changes to Windows Server (and the client), are on the same path. I love … [Read more...]
Data Center Overlays 101
January 28, 2013 by Leave a Comment
Joe Onisick did a great job laying out the various datacenter network overlay technologies in this Show Me "chalk talk" presentation. … [Read more...]
Fun and Games with VDR and Snapshots | vNinja.net
January 10, 2013 by Leave a Comment
Christian Mohn writes about his challenge with VMware Data Recovery (VDR) and orphaned snapshots: I recently visited a client who had problems with their VDR appliance, and every attempted backup left orphaned snapshots behind. By default VDR has a retry interval of 30 minutes for failed backups … [Read more...]
Is high vSphere storage latency always a bad thing? (viktorious)
January 8, 2013 by Leave a Comment
Viktor van den Berg explains how vSphere storage latency should be determined, and why blocksize is an important matter: So, let’s say we have a latency that’s bigger then 30ms, do we have problem? Not necessarily, the SCSI block size also determines the latency value. The SCSI block size is … [Read more...]
When RamDisks Get Full | PlanetVM
June 8, 2012 by Leave a Comment
This is just the sort of cool technical tip that saves your bacon when it's lodged somewhere in your mind: What happens when the VMware ESXi RAMdisk gets full? Here's Tom Howarth's account... After upgrading to ESXi 5 we saw several instances of host instability as the Ramdisk ram out of space, … [Read more...]