For those of you who would like to access VMware’s Technical Marketing material whilst on the move, we are pleased to announce version 2.0 of the VMware Mobile Knowledge Portal (VMKP) app is now available. The VMKP contains all Technical Marketing content including Videos, Evaluation Guides, What’s New papers, White Papers & Posters. These pieces of collateral may also be downloaded for offline viewing. This new version now supports Android devices as well as IOS iPad device. Please check out the post by Alan Renouf on the vSphere blog to learn more, see some sample content and the links on…
I had a query about this recently, and actually it is a topic that I have not looked at for some time. Those of you configuring virtual machine disks may have seen references to these different configuration options and may have wondered how they affect the behavior of the virtual machine. Read on to find out the subtleties between Independent Persistent Mode and Independent Non-persistent Mode disks, and what impact they may have.
Many of you in the storage field will be aware of a limitation with the maximum amount of open files on a VMFS volume. It has been discussed extensively, with a blog articles on the vSphere blog by myself, but also articles by such luminaries as Jason Boche and Michael Webster. In a nutshell, ESXi has a limited amount of VMFS heap space by default. While you can increase it from the default to the maximum, there are still some gaps. When you create very many VMDKs on a very large VMFS volume, the double indirect pointer mechanism to address…
When setting up a Microsoft Cluster with nodes running in vSphere Virtual Machines across ESXi hosts, I have come across folks who have experienced Incompatible device backing specified for device ‘0’ errors. These are typically a result of the RDM (Raw Device Mapping) setup not being quite right. There can be a couple of reasons for this, as highlighted here. Different SCSI Controller On one occasion, the RDM was mapped to the same SCSI controller as the Guest OS boot disk. Once the RDM was moved to its own unique SCSI controller, it resolved the issue. Basically, if the OS disk…
Followers of my blog will have seen a number of articles posted recently about storage vendors that I managed to catch up with at this year’s VMware Partner Exchange in Las Vegas. In the last in this series of articles, I managed to spend some time with the folks from GreenBytes. The timing was very opportune, as GreenBytes just made a major announcement to their portfolio, namely their new vIO, the virtual storage appliance version of their IO Offload Engine solution for desktop virtualization. I met up with Michael Robinson (VP, Marketing), Jeff Eberhard (Sr. Systems Engineer) and Steve O’Donnell…
Another storage vendor that I finally managed to catch up with at this year’s VMware Partner Exchange was Tegile. I was curious about the name, and I learnt that Tegile was a merging of the terms Technology and Agility. Tegile is another vendor that I have seen at various events, but have not had an opportunity to catch up with them in person and learn about their products. This time, I got an opportunity to catch up with Rob Commins (VP of Marketing) and Mike Recker of Tegile, and put a few questions to them.
Last week saw VMware release the latest version of VMware View, VMware Horizon View 5.2. While there are a whole bunch of enhancements in this release, I wanted to focus on a few enhancements that are specifically storage related. I’ve covered some of these in the past from a vSphere perspective, but now we have a new release of View which can take advantage of these features.