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VSICM55 - Slide 03-10 - Virtual Machine Hardware



Room for improvement:

Slide graphic and notes make no mention about the capabilities of the SATA AHCI adapters, introduced in vSphere 5.5.

Correct:

According to the "Configuration Maximums for VMware vSphere 5.5" document, you can configure up to the following:

  • Virtual SATA adapters per virtual machine: 4
  • Virtual SATA devices per virtual SATA adapter: 30
Devices can be either CD-ROM or disks.
Source:

Configuration Maximums for VMware vSphere 5.5.

Info:

The "vSphere Virtual Machine Administration" guide - "Configuring Virtual Machine Hardware in the vSphere Web Client" chapter - "SCSI and SATA Storage Controller Conditions, Limitations, and Compatibility" paragraph offers more information.

Each virtual machine can have a maximum of four SCSI controllers and four SATA controllers.
If you add a SATA controller, you can reassign an existing or new hard disk or device to that controller. For example, you can assign the device to (1:z ), where 1 is SATA controller 1 and z is a virtual device node from 0 to 29. For SATA controllers, you can use device nodes 0 through 29, including 0:7.

Last sentence, referring to device node 0:7, stating it can be used to allocate virtual disks to a SATA controller, is opposed to SCSI controllers where node 0:7 is by default assigned to the virtual SCSI controller itself.

Source:

VMware vSphere 5.5 Documentation Center.


Last modified onSaturday, 14 December 2013 19:41
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