A few weeks after VMwares announcement, the new release of its flagship server virtualization product is now available for everyone. Grab your copy here (You… Read More »vSphere 5.1 Download - Public Available!
Tired from uploading VMware Support logs to VMware tickets i wanted to do this job with just one click. I wrote a script which can be used to upload files to VMwares FTP server quite fast. The script uses the FTPupload howto from KB1008525. Please open a ticket with VMware prior to start this script, to get a support request number. You need the ticketnumber to run the script.Read More »VMware Support Upload Script
If you change your hardware configuration without reinstalling your hypervisor you might run into an issue with the nic or hba port numbering. The ESXi host writes the PCI bus to vmnic mapping to a special configuration file. If you change the pci slot from your dual port nic for example you end up with 2 new vmnics.
The configuration file is located at /etc/vmware/esx.conf
Change vmnic numberingRead More »ESXi: Change vmnic / vmhba numbering
VMware is about to release vSphere 5.1 with great enhancements. There are many great papers about the new features and enhancements. This is a short… Read More »VMware vSphere 5.1 - What's new?
Today my Zimbra Mailserver (7.1.2) stopped working and it did not came back up with the following error message:
zimbra@zimbra:/~$ zmcontrol status Unable to determine enabled services from ldap. Unable to determine enabled services. Cache is out of date or doesn't exist.
After crawling through the configuration i figured out that the SSL certificate expired today:Read More »Zimbra Failure: Unable to determine enabled services. Cache is out of date or doesn't exist.
VMware vCenter 5.0 U1a has been released. This patch has a permanent fix for the Storage vMotion/dvSwitch bug which caused HA to fail in a… Read More »Storage vMotion / dvSwitch patch released (but manual fix required)
RTO & RPO During the business continuity plan creation it is necessary to define the key metrics of recovery point objective (RPO) and recovery time… Read More »VDCD510 Objective 2.6 – Build Recoverability Requirements into the Logical Design
Identify Infrastructure Qualities We have already covered infrastructure qualities in objective 2.3. To recall them, here is a short overview: Availability is the ability of… Read More »VDCD510 Objective 2.5 – Build Performance Requirements into the Logical Design
VMware has released the second Workstation Technology Preview including better WSX performance. I want to give WSX another try with Android and Windows 8 Consumer… Read More »VMware WSX TP2 with Windows 8 and Android
Identify Infrastructure Qualities We have already covered infrastructure qualities in objective 2.3. To recall them, here is a short overview: Availability is the ability of a… Read More »VDCD510 Objective 2.4 – Build Manageability Requirements into the Logical Design