Archive for category Administration

What is hostd?

hostd is an app that runs in the Service Console that is responsible for managing most of the operations on the ESX machine.  It knows about all the VMs that are registered on that host, the luns/vmfs volumes visible by the host, what the VMs are doing, etc.  Most all commands or operations come down from VC through it.  ie, powering on a VM, VM vMotion, VM creation, etc.

vpxa also runs on the Service Console and talks to VC.  I believe it acts as an intermediary between VC and hostd. I think it also does some housekeeping on the ESX host, but not as much as hostd.

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Troubleshooting a failed virtual machine conversion task

Conversions sometimes fail no matter how careful you are preparing the server. The failure can occur at various stages in the conversion process; these stages are based on the task bar percent and are estimated values.

  1. Creation of the target virtual machine (VM) (0%-5%)
  2. Preparing to Clone the Disk (5%-6%)
  3. Cloning (6%-95%)
  4. Post-cloning (95%-97%)
  5. Customization/Reconfiguration (97%-99%)
  6. Install Tools/Power On (99%-100%)

Converter creates a detailed log file during the conversion process which will contain exact errors pertaining to why the conversion failed. This log file is located on the server you are converting that is running the Converter agent, and is usually named vmware-converter-0.log and is located in the C:\Windows\temp\vmware-temp directory.

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