When running in a virtualized environment like z/VM it's beneficial if the hypervisor knows if a server is idle or not. Usually this is ...Read more »
Showing posts with label virtualization. Show all posts
Showing posts with label virtualization. Show all posts
Wednesday, September 4, 2013
Wednesday, February 6, 2013
z/VM 6.3 preview
Today IBM announced a preview of z/VM 6.3 . The two top improvements are: 1 TB memory HiperDispatch At SHARE there have been two presentat...Read more »
Tuesday, August 7, 2012
40 years VM - happy birthday!
40 years ago IBM introduced VM/370 the first virtualization layer. My first really brief encounter was at the end of the 80ies, when I did s...Read more »
Saturday, July 28, 2012
DB2 Connect high CPU utilization
DB2 Connect servers are usually a good target for consolidation. Recently we observed relatively high CPU utilization even though only a sm...Read more »
Tuesday, March 27, 2012
New Whitepaper: "Java Design and Coding for Virtualized Environments"
Ever wondered why your Java application is not running as smooth as it should in a virtualized environment? There are multiple reasons for t...Read more »
Monday, February 6, 2012
Updated Virtualization Cookbook
The virtualization cookbook from Michael MacIsaac, Brad Hinson, Marian Gasparovic received a major updates to cover z/VM 6.2 (including sin...Read more »
Monday, November 28, 2011
Why doesn't the Linux iowait show up as busy time in the virtualization layer?
When a process in Linux has issued an IO and is waiting for a response there are basically two different possibilities. The good case is tha...Read more »