VMware ESX Server 3.0.3, ESX303-200905403-BG: Virtual machines in Lab Manager environment might stop responding due to a heavy load on LUN (1009942)
This patch fixes an issue where a virtual machine might stop responding in certain situations due to fragmented guest operating system memory and a heavy load on the LUN that holds the deltadisk. This issue is primarily seen in a Lab Manager setup.
Error messages similar to the following might appear in the VMkernel log: Cow: <#>: IO to deltadisk handle <#> failed: Busy .
Patch Download and Installation
Note: All virtual machines on the host must be either shut down or migrated using VMotion before applying the patch. A reboot of the ESX Server host is required after applying this patch.
See the VMware Update Manager Administration Guide for instructions on using VMware Update Manager to download and install patches to automatically update ESX Server 3.0.3 hosts.
To update ESX Server 3.0.3 hosts when not using VMware Update Manager, download the most recent patch bundle from http://support.vmware.com/selfsupport/download/ and install the bundle using esxupdate from the command line of the host. For more information, see the ESX Server 3 Patch Management Guide.