Saturday, September 24, 2011

Thursday, September 15, 2011

Friday, August 19, 2011

Set DPM and Enable it with vCenter Scheduled Task

Here is a blog post I put together on setting up VMware DPM and then enabling (and disabling) it with a vCenter Scheduled Task - http://www.vhersey.com/2011/08/setting-up-dpm-and-using-vcenter-scheduled-task-to-turn-dpm-off-and-on

VMware Power Management or Distributed Power Management (DPM) powers down hosts when resources are not needed and powers the host on as the demand for resources increases. This feature has the potential to provide significant savings in power and cooling especially in a large cluster.

Have a great weekend.
Hersey - http://www.vhersey.com/



Thursday, July 14, 2011

Everyone hates change

I was concerned at first about VMware's changes in licensing but after reading the full details, I realize it’s not a big deal. The vRAM limitation only applies to Essentials and Essentials Plus licenses. Physical RAM is not limited, only the amount of RAM actually allocated to powered on VMs.

All the strum und drung about converting to HyperV is hot air. HyperV simply is not competitive at the enterprise level. Best reason to use Hyper V is that one gets to run 4 Server 2008 VMs with no additional licenses. That makes it very attractive to SMBs but HyperV has none of the enterprise class features of VMware vSphere.

Further, with vendors prepared to come out with tera-scale processors supporting hundreds of cores per processor, the removal of the CPU core limits is pretty attractive.

A two node, 4 processor system using Enterprise licenses will, by default, be entitled to 4 physical processors and 128GB of allocated virtual machine RAM which seems in line with reasonable CPU->RAM ratios (that’s 64 2GB VMs or 32 4GB VMs which is a lot to expect of two nodes with two CPUs each). So, in all, this is much ado about nothing in the end. People will complain and then they will pay. Some of the smaller shops may transition to other platforms but the midsize to enterprise customers will simply adapt.

Thursday, June 30, 2011

8 Million Terabyte Storage Array!

Thursday, March 17, 2011

Brown Bag Webinars

Attended the Brown Bag webinar last night over at Professional VMware, very cool stuff.

http://professionalvmware.com/brownbags/

Register for the next one or watch the past ones.

Open shop talk at the end of the presentation is cool. Awesome hearing about how others are implementing virtual solutions and solving problems.

Thursday, February 3, 2011

Super Bowl XLV - Cowboys Stadium Using VMware

Great article on the technology infrastructure of Cowboys' Stadium

The old data center had more than 600 aging physical servers, which were converted to 127 virtual machines running on 16 different HP blade servers using VMware.
VCP4 Exam Cram: VMware Certified Professional - Recommended by Devon

Tuesday, February 1, 2011

VMware Security Resource Center

VMware Technical Resource Center
Security and Compliance in a Virtualized Environment
Our one-stop shop for all security related issues involving VMware products.

Wednesday, January 12, 2011

EMC Celerra VSA

Looks like this should be a pretty good series on installing, configuring, and using the Celerra VSA (Virtual Storage Appliance).

http://www.techhead.co.uk/running-your-own-emc-celerra-uber-virtual-storage-appliance-vsa-in-your-vsphere-lab-part-1

Only part one is available so far...

Monday, January 3, 2011

Howto Openfiler iscsi ESX

Configuring Openfiler iscsi for use with ESX

Yellow Bricks

Lots of good information on esxtop, DRS and other stuff here. Several good references under the books tab.