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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)

Details

Release Date: 05/28/09
Document Last Updated: 05/28/09
 
a2a0baf9f17f68864f5345ced8f99aec  
Product Versions ESX Server 3.0.3
Patch Classification Critical
Supersedes ESX303-200808404-SG, ESX303-200810501-BG, ESX303-200810505-BG, ESX303-200812401-BG, ESX303-200812407-BG, ESX303-200903402-BG, and ESX303-200904403-SG
Requires ESX303-200811401-BG, ESX303-200901401-BG, and ESX303-200905402-SG
Virtual Machine Migration or Reboot Required Yes
ESX Server Host Reboot Required Yes
PRs Fixed 368045
Affected Hardware N/A
Affected Software Virtual machines
RPMs Included VMware-esx-vmkernel and VMware-esx-vmx
Related CVE numbers N/A

Solution

Summary

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.

Symptom

Error messages similar to the following might appear in the VMkernel log: Cow: <#>: IO to deltadisk handle <#> failed: Busy .

Deployment Considerations

N/A

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.

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