During the last couple of ESX 3.5 and VC 2.5 implementations I encountered some weird DRS/HA behavior: During the reboot of a VM ESX decided to vmotion the VM, as you can imagine this took a lot longer than normal due to the memory being excessively active. When the DRS Affinity Rules in a two cluster node is set to [...]

VMware just announced VirtualCenter 2.0.2 update 3: Resolved Issues include: Virtual Machine Management Issues PR:219126 – Virtual Machine Alarms Not Triggered This release fixes an issue where VirtualCenter alarms are not triggered when the alarm conditions are met. PR:225357 – Host and Virtual Machine Alarms Stop Updating Over Time This release fixes an issue where some alarms that are configured [...]

I noticed at a few customer sites that the Performance tab of VirtualCenter was getting sluggish but never got the chance to really pinpoint the problem. A couple of days ago user “jterpstr” posted about this on the VMTN forum and it seems that the old rows aren’t deleted from the database for some reason. The table grows to an [...]

Today I encountered a weird problem. When I started the installation of VirtualCenter 2.0.2 on a Windows 2000 Server I received the following error notification:”Setup cannot continue. The “VMware VirtualCenter Server 2.0″ requires Update 1 Rollup for Windows 2000 SP4. Please see KB article 816542 at http://support.microsoft.com/kb/816542/.” I checked the server but the patch was installed, so I rebooted the [...]

There are a couple of ways to rename a Virtual Machine, but there are two in my opinion that stand out: Shutdown the VM Rename the VM in VirtualCenter Migrate the VM and move it to another Datastore done! And from the service console: vmware-cmd -s unregister /vmfs/volumes/datastore/vm/vmold.vmx mv /vmfs/volumes/datastore/vm-old /vmfs/volumes/datastore/vm-new cd /vmfs/volumes/datastore/vm-new vmkfstools -E vm-old.vmdk vm-new.vmdk find . -name [...]

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Just noticed the new errors HA produces at the console when a host is isolated in ESX 3.5: Node isolated from network. Either repair network or override agent startup using option -noiso And when the host returns from isolation: Node no longer isolated, will restart This makes troubleshooting a lot easier! Thanks VMware