438 Stories by frankdenneman
After skipping both VMworld events in 2008 I’m attending the VMworld event in San Francisco. This is the first event after VMware released vSphere and I hope...
In my first post I had a question about the path data travels when sent to a “standby” virtual connect module. To quote my...
Due to many performance studies about disk performance it is well known that disk alignment for both VMFS partitions and NTFS file systems improve...
One of my clients bought a couple of HP blade c7000 enclosures recently. Including the new dual port Flex-10 mezzanine cards (nc532m) and Flex-10...
VMware published an excellent document about VMFS volume management a few days ago. VMware® VMFS Volume Management information guide The guide explains the VMFS...
I’m currently reviewing a design of a new virtual infrastructure. The VI uses multiple 10GB links to connect to a very large HP Lefthand...
When it comes to IO performance in the virtual infrastructure one of the most recommended “tweaks” is changing the Queue Depth (QD). But most...
Some of my customers use HP Continuous Access to replicate VM data between storage arrays. Lately a couple of LUN balancing powershell- and Perl...