VMware just released ESX 4.0 Update 1 and vCenter 4.0 Update 1. Most people have already reported on this by now. Two things that stood out for me personally is the following:
- HA Cluster Configuration Maximum — HA clusters can now support 160 virtual machines per host in HA Cluster of 8 hosts or less. The maximum number of virtual machines per host in cluster sizes of 9 hosts and above is still 40, allowing a maximum of 1280 Virtual Machines per HA cluster.
- Enhanced Clustering Support for Microsoft Windows – Microsoft Cluster Server (MSCS) for Windows 2000 and 2003 and Windows Server 2008 Failover Clustering is now supported on an VMware High Availability (HA) and Dynamic Resource Scheduler (DRS) cluster in a limited configuration. HA and DRS functionality can be effectively disabled for individual MSCS virtual machines as opposed to disabling HA and DRS on the entire ESX/ESXi host. Refer to the Setup for Failover Clustering and Microsoft Cluster Service guide for additional configuration guidelines.
Especially the first is important as many people have been building non DRS-HA clusters solely for MSCS VMs. As of now this is not needed anymore. You can simply disable DRS and HA via the Cluster properties to make sure your MSCS VMs do not move around. I think Update 1 is an important release for everyone running vSphere at this moment.
Of course you View guys were all waiting for Update 1 to drop:
- VMware View 4.0 support – This release adds support for VMware View 4.0, a solution built specifically for delivering desktops as a managed service from the protocol to the platform.
Something else I noticed… The release notes for ESX talk about “vMotion” where the release notes for vCenter talk about “VMotion”. It seems that VMotion is about to be renamed to vMotion.