Go to main content

SPARC M8 and SPARC M7 Servers Administration Guide

Exit Print View

Updated: September 2017
 
 

Virtualization Guidelines and Restrictions

The configuration examples in this section follow these guidelines and restrictions.

Domain Type
Guidelines and Restrictions
Control domain
  • Runs the minimum supported version of the Oracle Solaris OS.

    Refer to the SPARC M8 and SPARC M7 Servers Product Notes for the minimum supported version of the OS.

  • Is the only one per PDomain.

  • Is named primary. You cannot change the name.

  • Has privileged access to the Hypervisor.

  • Runs the Logical Domain Manager.

  • Is used to administer the other domains.

  • Is typically a root domain that provides services to the other domains, such as virtual disk, virtual switch, and virtual console access.

Service domain
  • Runs the minimum supported version of the Oracle Solaris OS.

    Refer to the SPARC M8 and SPARC M7 Servers Product Notes for the minimum supported version of the OS.

  • Provides virtual I/O services to other domains, such as virtual disk and virtual switch services.

  • Is typically a root domain that owns one or more root complexes.

  • Can be one or more per server or PDomain.

I/O domain
  • Runs the minimum supported version of the Oracle Solaris OS.

    Refer to the SPARC M8 and SPARC M7 Servers Product Notes for the minimum supported version of the OS.

  • Has direct access to physical I/O.

  • Is assigned one or more PCIe root complexes (which also makes it a root domain).

  • Can use SR-IOV virtual functions.

  • Can be one or many, depending on the available PCIe resources.

  • Provides bare-metal I/O performance.

  • Is not necessarily a service domain.

Root domain
  • Runs the minimum supported version of the Oracle Solaris OS.

    Refer to the SPARC M8 and SPARC M7 Servers Product Notes for the minimum supported version of the OS.

  • Owns one or more PCIe root complexes.

  • Can be one or more, depending on the available PCI buses.

Guest domain
  • Runs either the minimum supported version of the Oracle Solaris 10 OS or the Oracle Solaris 11 OS.

    Refer to the SPARC M8 and SPARC M7 Servers Product Notes for the minimum supported versions of the OS.

  • Depends on one or more service domains for I/O.

  • Is purely virtual.

  • Has no direct access to physical I/O.

  • Supports live migration.

  • Can be one or as many as the server's resources support.

Related Information