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VMware ESX Server 2.0

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Using Devices With ESX Server

Using Devices With ESX Server

In this section, we discuss any considerations in using devices with ESX Server.

Supporting Generic Tape and Media Changers

Supporting Generic Tape and Media Changers

In order for the guest operating system to see and control the media changer directly, you must be sure that the SCSI ID in the target raw device's configuration file matches with the SCSI ID that ESX Server sees for that device. You can check the SCSI ID seen by ESX Server, by viewing the output of the various files /proc/vmware/scsi/vmhba<x>/<y>:<z>, where <x> is the HBA ID assigned by ESX Server, <y> is the SCSI target ID, and <z> is the SCSI LUN ID.

For more information on adding a tape device to a virtual machine, see Adding a Tape Drive to a Virtual Machine.

Editing the vmware-device.map.local File

Editing the vmware-device.map.local File

The /etc/vmware/vmware-device.map file contains a list of devices supported by ESX Server. This release includes support for a local version of this file,
/etc/vmware/vmware-device.map.local.

Modify the vmware-device.map.local to select different device drivers. This file is not modified during an ESX Server upgrade, preserving your customizations. The vmware-device.map.local is read when the VMkernel is loaded:

  • Any changes to the vmware-device.map.local file require a reboot, or at least an unload/reload of the VMkernel to take effect.
  • Entries in the vmware-device.map.local files are used in addition to the entries in the vmware-device.map file. The vmware-device.map.local file does not need to mirror the vmware-device.map file.
  • Any vmware-device.map.local file entries that correspond to the vmware-device.map file entries supersede the vmware-device.map file entries.
Enabling Users to View Virtual Machines Through the VMware Remote Console

Enabling Users to View Virtual Machines Through the VMware Remote Console

The default security setting for ESX Server is that users must have read (r) and execute (x) access permissions to connect a remote console to a virtual machine. However, if you want to allow access to users with only read permissions, you can do so with the following global configuration setting:

authd.policy.allowRCForRead = "TRUE"

Add the preceding line to the /etc/vmware/config file. This setting allows users with only read permissions to connect to a virtual machine through the remote console.

Note: This configuration setting affects all virtual machines on an ESX Server machine. You cannot change this setting for individual virtual machines.

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