Virtualization Pro:

June, 2008

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June 30, 2008  9:53 PM

What makes VMotion so great?



Posted by: Atrujillo
VI3, VMotion

To many of us, some VMware product features and functionalities still seem like magic. Sure, I understand what the products do, but considering that my education and background is in writing and editing (read: not computer science), how they work still remains a mystery.

June 30, 2008  8:51 PM

Isolate ESX hosts in separate clusters for maintenance, upgrades



Posted by: Rick Vanover
Rick Vanover, VI3, Virtualization, VMware ESX, VMware High Availability (VMware HA)

Performing key maintenance on a VMware Infrastructure 3 (VI3) host OS or can be an involved process, as can the process of simply adding a host. Because of the length of time that a system may be offline or because of what exactly is being performed, having the hosts in an isolated cluster can...


June 24, 2008  8:52 PM

Choosing a block size when creating VMFS datastores



Posted by: Eric Siebert
Eric Siebert, VI3, VMware ESX

When you create a VMFS datastore on your VMware ESX servers many administrators select the default 1MB block size without knowing when or why to change it. The block size determines the minimum amount of disk space that any file will take up on VMFS datastores. So an 18KB log file will actually...


June 20, 2008  3:59 PM

64-bit guest operating system issues avoided with BIOS configuration



Posted by: Rick Vanover
Rick Vanover, Virtualization, VMware ESX

On more than one occasion, I have built a new ESX host system and had immediate migration issues with 64-bit guest operating systems. This is due to an easy-to-forget BIOS default that disables 64-bit processing. To save you the hassle of trying to diagnose why the migration may fail, here is a...


June 18, 2008  4:22 PM

Storage and network planning takeaways from Iowa virtualization user group meeting



Posted by: Atrujillo
VMware ESX, VMware High Availability (VMware HA)

Sean Clark is a VMware Certified Professional (VCP) and a member of the Des Moines, Iowa-based Central Iowa Virtualization Users’ Group (CIVUG). The CIVUG emerged from the Central Iowa Linux Users’ Group as a way for virtualization users to learn more...


June 17, 2008  3:04 PM

Ensure VMware Infrastructure Client is current



Posted by: Rick Vanover
Rick Vanover, VI3, Virtualization, VMware ESX

When VMware issued VirtualCenter 2.5 Update 1 and ESX 3.5 Update 1 in April of this year, I felt that this release was mature enough to upgrade my environment. One observation I have made is related to the VMware Infrastructure Client (VIC) versioning. The


June 11, 2008  4:13 PM

Upgrading VirtualCenter does not update certificate store



Posted by: Rick Vanover
Rick Vanover, VI3, Virtualization

When logging into the VMware Infrastructure Client (VIC) or using the web interface to the VirtualCenter server, you are presented with a certificate message. Best practice or not, I usually accept the certificate and instruct the software to not ask me again about this topic. I have just completed...


June 9, 2008  8:59 PM

Changing the VMware Server 2.0 default permissions



Posted by: Rick Vanover
Rick Vanover, Security, Virtualization

I have been using VMware Server 2.0 (beta 2) on both Windows and Linux platforms for a while now. For Windows systems that are a member of an Active Directory domain, there are inherited permissions that may be assigned from Group Policy. If you want to change that, here are a couple of pointers in...


June 3, 2008  5:44 PM

VMware adds ODM relationships with Tyan, ASUS, Gigabyte, Inventec



Posted by: Bridget Botelho
Systemschannel, Uncategorized, Virtualization, VMware ESX

At Computex Taipei 2008on June 3, VMware, Inc. announced new relationships with original design manufacturers ASUS, Gigabyte, Inventec and Tyan, adding to VMware’s current


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