Posts Tagged ‘KB’

VMware KB1024051 – MSCS vCenter Clustering Unsupported

A newly published VMware KB1024051 article now states that “VMware does not support third party clustering products.” This means that Microsoft Clustering Service or Veritas Cluster Services are not supported for vCenter 4.x. Please take this into account when designing mission-critical vCenter deployments.  These customers should be looking at VMware vCenter Server Heartbeat with VMware […]

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VMware KB1003797 – Unable to migrate: Virtual machine is configured to use a device that prevents migration

There seems to be a lot of confusion about vMotion and bus-shared VMDKs.  For the record, and from VMware, it is not recommended nor supported to vMotion your VM between ESX Hosts when using either Virtual or Physical mode bus-sharing. Please see the KB here. I know there are plenty that will disagree and have […]

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VMware KB1011170 – Checking Zero vs EagerZero Disk Status

VMware has released a KB with a handy vmfstools command to check your VM’s disk status.  If the VMFS output shows a “Z” it is Zerothick with blocks that have not been written to yet. Read the article here. This allows you to check the disk status for options such as Fault Tolerance or Microsoft […]

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VMware KB1016262 – vCenter Agent Install Fails on ESXi 4 Host

VMware just posted an alert on this for ESXi 4 Hosts managed by either vCenter 4 or 4 Update 1.  If you remove and re-add the Host to vCenter, or upgrade vCenter to Update 1 you may experience this issue. At this time, there is no official fix, however it appears a reboot should fix […]

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VMware KB1016070 – ESX 4 Update 01 and HP Management Agents Failed Upgrade

VMware has posted a bug when upgrading ESX 4 to Update 01 with HP Management Agents running.  (ESXi is unaffected) You may have your host end the update unsuccessfully, and in a non-responsive state.  To avoid this, disable all the HP Management Agents prior to running the update. Read the full article here.

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VMware KB1009607 – Pegasus CIMSERVER Memory Leak

VMware has acknowledged an issue that we have been battling for some time with a Pegasus CIMSERVER memory leak.  It has been fixed under ESX 4, as it does not use Pegasus, otherwise setup a CRON job for restart Pegasus periodically. This issue has been extremely frustrating in our environment for a very long time, […]

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VMware KB 1008886 – Unable to read partition from Add Storage Wizard

These are great instructions if you have received errors when trying to add a LUN to an ESX Host, and suspect that the LUN may not be READY, or write enabled these instructions can help you troubleshoot and/or fix the LUN. Read the KB here. If you are unable to re-write the LUN label, the […]

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VMware KB1005184 – Decoding ESX Purple Screen Error

VMware doesn’t use the “Purple Screen of Death” or “ESX PSOD” terminology in their documents so if you Google it, you won’t get directed to VMware.com and this document for this information.  I know in the past I have spent far too much time searching for PSOD information, so keep this link handy. This document […]

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