When vSphere was still in beta one of the requirements for using FT was to have hyperthreading disabled. For most people this wasn’t an issue as traditional hyperthreading usually did not improve performance and thus was disabled by default. However with the Nehalem all this changed. Of course I can’t guarantee a specific percentage [...]
Posts Tagged ‘ft’
vSphere CPU Scheduler whitepaper, this is it!!
August 13th, 2009
3 Comments
This is the whitepaper I’ve been waiting for. By now we all know that the CPU Scheduler has changed. The only problem is that there wasn’t any official documentation about what changed and where we would benefit. Well this has changed. VMware just published a new whitepaper titled “The CPU Scheduler in VMware® ESX™ 4“.
The [...]
ftCLI.pl – VMware Fault Tolerance Management
July 1st, 2009
2 Comments
William Lam did it again. He created a script that manages FT from the command line. The script is called ftCLI.pl and here are the details:
Description: Managing VMware Fault Tolerance via the command line.
Params: The following operations are supported: create|enable|disable|stop
Requirement:
vSphere vCenter 4.0
ESX(i) 4.0
Advanced, Enterprise, Enterprise Plus or Eval licensing
Assumption: Your environment is FT capable and [...]
Marathon HA/FT vs VMware HA/FT
September 24th, 2008
4 Comments
A couple of days ago I linked to Mike D. response to Marathon’s blogs. Mike has updated his original blog article and added a second article which responds to another blog by Marathon. Those who are interested in the difference between Marathon’s and VMware’s products should definitely read it. Especially if you’ve only read the [...]
vSphere 4.0 Quick Start Guide