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VMware ESX

July 30, 2008  7:43 PM

Configuring Distributed Power Management

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

Distributed Power Management (DPM), part of VMware DRS, is another “experimental” feature introduced in ESX 3.5. It is a "green" feature that provides you with the ability to power down hosts during periods of low...

July 30, 2008  7:38 PM

Proprietary ESX drivers explained, enlightened

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

You may initially be disappointed that VMware ESX does not allow you to install drivers for storage and network controllers (depending on your environment). I have determined why this is, and it is for the better. Let’s go through why this is, what you loose and what you gain. The drawback to...

July 23, 2008  8:48 PM

Performance tips from the summer New England VMUG; attendees sound off

Posted by: HannahDrake
Virtualization, VMotion, VMUG, VMware Desktop Infrastructure, VMware ESX

425 IT geeks invaded Brunswick, Maine last Thursday for the New England VMware Users Group summer meeting at Brunswick High School. The event, which started at 10 AM with...

July 3, 2008  4:01 PM

Virtualization virtual tradeshow offers VMware networking opportunities

Posted by: HannahDrake
Desktop virtualization, VI3, Virtualization, VMotion, VMware Desktop Infrastructure, VMware ESX, VMware High Availability (VMware HA)

Trade shows are great – if you have time to attend, have staff to cover while you’re away learning about a new technology, can avoid summons back to the office during the show, can find a show in your local area or can get budget approval to attend a show that requires flight or hotel...

July 2, 2008  3:27 PM

Automatic recovery for failed virtual machines

Posted by: Eric Siebert
Eric Siebert, VI3, Virtualization, VMware ESX, VMware High Availability (VMware HA)

A little known feature, called Virtual Machine Failure Monitoring (VMFM), was introduced in ESX 3.5. VMFM offers the ability to leverage HA to monitor VMs for operating system failures, such as blue screens, and have them...

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

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