Scripted install

A while back I wrote a scripted install aka “cfg” file, and I just noticed I never published it. Check it out, it might be useful in one way or another. It also available for download here!
Especially changing the amount of active nics in a team can be useful, and enabling vmotion via the vimsh [...]

Deleting snapshots when everything else failse…

The common mis perception of the term “snapshot”, related to VMware, can cause huge problems. I’ve spend a lot of time the last years solving snapshot problems. For once and for all, a snapshot isn’t a static situation like a clone is. A snapshot can best be compared to a redo log, although technically it [...]

Virtual Machine tweaks for a better performance

Over the last couple of months I gathered the following tweaks for a better performance insight the virtual machine, besides disabling / uninstalling useless services and devices:

Disable the pre-logon screensaver:
Open Regedit
HKEY_USERS\.DEFAULT\Control Panel\Desktop
Change the value of “ScreenSaveActive” to 0.
Disable updates of the last access time attribute for your NTFS filesystem, especially for i/o intensive vm’s [...]

Update your bookmarks

Update your bookmarks, EMC’s Chad Sakac recently started blogging and already wrote some cool article. Check out his blog and add it to your RSS reader and/or bookmarks.
A couple of outtakes:
I’ve been working with 10 joint VMware/EMC customers this week in NY, NJ and Houston (phew!), and was in Australia the week before last where [...]

Scalable Storage Performance PDF

I was just reading up on the PDF’s I gathered over the last couple of weeks and found the Scalable Storage Performance pdf extremely useful. It contains a good explanation about the queue depth setting and much more….
To reduce latency, ensure that the sum of active commands from all virtual machines does not consistently exceed [...]