I have two DL385 G5 HP servers with quad core AMD processors. When I edit the settings for the cluster the servers show as “Incompatible Hardware” for EVC. This hardware should be compatible so I started some research.Then I found this on the internet. I just enabled the No-Execute Page-Protection on the advanced CPU settings [...]
Posts Tagged ‘VMWare’
Using esxtop to identify storage performance issues
The esxtop utility can be used to measure how much I/O is moving across various devices. The esxtop utility is interactive. As such, pressing certain keys changes the view. Configuring monitoring using esxtop To monitor storage performance per HBA: Start esxtop by typing esxtop at the command line. Press d to switch to disk view (HBA mode). [...]
VirtualCenter Passthrough Authentication
Tired of login in into the Virtual Center Client? Try this… A very useful, yet very undocumented feature of the Virtual Infrastructure Client is that it can be configured to automatically pass your Active Directory credentials without you typing them in. To use: create a shortcut to the Virtual Infrastructure Client, then right-click on it [...]
Disk.UseLunReset and/or Disk.UseDeviceReset
Another setting often overlooked is Disk.UseLunReset and/or Disk.UseDeviceReset. ESX defaults to Disk.UseLunReset=1 and Disk.UseDeviceReset=1. This means that when a SCSI bus is reset all SCSI reservations are cleared, not for a specific LUN but for the complete device. This is useful when one uses local storage, but within a VMware environment most companies utilize a [...]
Interpreting esxtop Statistics
Table of Contents Section 1. Introduction Section 2. CPU Section 2.1 Worlds and Groups Section 2.2 Global Statistics Section 2.3 World Statistics Section 3. Memory Section 3.1 Machine Memory and Guest Physical Memory Section 3.2 Global Statistics Section 3.3 Group Statistics Section 4 Disk Section 4.1 Adapter, Device, VM screens Section 4.2 Disk Statistics Section [...]
Script Repository VMWare PowerShell
Hugo over at PeetersOnline.nl has a new Script Repository on his site. If you’re looking for PowerShell scripts for VMWare, you want to start here.
Per processor licenses for your application
Some vendors license their application per processor, also in a virtualized environment. So if your VM has 4 vCPU’s your vendor will want you to buy a 4 processor license for the application. But you can avoid this by telling the VM that it has cores instead of processors. In others words, instead of having [...]
After restart Virtual Center Server does not start automatically
In my case the SQL server and the Virtual Center server are on the same server. So I need to make the Virtual Center Server service dependent of the SQL server. To make this happen type the following in a DOS box. sc config vpxd depend= MSSQLSERVER
Delete files older than x days in CLI
forfiles /p “C:\DIRECTORY” /d -7 /c “CMD /C del @FILE
iSCSI and VMWare Tips
I found a great article named A “Multivendor Post” to help our mutual iSCSI customers using VMware You really should read it if your using a SAN in combination with ESX 3.5 http://virtualgeek.typepad.com/virtual_geek/2009/01/a-multivendor-post-to-help-our-mutual-iscsi-customers-using-vmware.html

