Archive for the ‘ESX’ Category

A-SIS or FlexClone or Both? (2008-8-28)

Scott Lowe has written an article that discusses the pros & cons of FlexClone & A-SIS when used in conjunction with a VMware environment.
If you are just getting to grips with these technolgies (like me) it is a very useful starting point to understand how the two technologies may work with VMware.
I was investigating it [...]

vSMP Fundamentals (2008-8-26)

Daemon Behr has written a nice and succinct article on when and how to use more than one virtual CPU in a Virtual Machine.
A few of the highlights:

Be very selective with vSMP only use it when applications can take advantage
Don’t assign a VM the same amount of vCPUs as you have pCPUs
Remember to change HALs [...]

VMware ESX 3.5 Update 2 Issue! (2008-8-12)

As most people will know by now there is a serious issue with licensing in the latest version of ESX 3.5 Update 2, which causes valid licenses to expire today (12th August).
The implications here being:

No VMotion
No DRS
Inability to power on of machines that are not already powered on

The solution is to disable NTP and manually [...]

Two More Eric Siebert Top Tens (2008-8-11)

Eric Siebert has compiled two more excellent Top Ten lists:
Storage in VMware
Get More Technical with VMware
Not much more to say, just that they are as excellent as I’ve come to expect.

Memory Testing In ESX (2008-8-8)

Richard Bramley has written another excellent article that has stoked up some helpful comments as well.
It discusses the very useful RAMCheck tool in ESX that will check for faulty memory.  I have used the utility a few times and it turns out, courtesy of a reader comment, that it has been removed from ESX 3.5.  [...]

Adding Security Banners To ESX (2008-8-7)

Using a few different articles I managed to add a security banner at the request of a customer recently. The first article discusses which files to customise, the second article is the Message of the Day editor tool how to and finally Jase McCarty’s post that covered the whole process from start to finish.
Nice.