Oracle VM Server for SPARC

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Oracle VM Server for SPARC (previously called Sun Logical Domains, or LDoms) is Oracle's server virtualization and partitioning technology on Oracle's SPARC servers. Oracle VM Server for SPARC leverages the SPARC hypervisor to subdivide supported platforms' resources (CPUs,memory, I/O, and storage) by creating partitions called logical or virtual machines to take advantage of the massive thread scale offered by SPARC servers and the Oracle Solaris operating system. And all this capability is available at no additional cost.

What's New

Where to Start

Oracle offers a full portfolio of virtualization solutions to address your needs. SPARC is the leading platform to have the dynamic domain capability that provides the physical isolation needed to run independent operating systems. Many customers have already used Oracle Solaris Containers for application isolation.

Oracle VM Server for SPARC provides another important feature with OS isolation. This gives you the flexibility to deploy multiple operating systems simultaneously on a single SPARC T-Series server with finer granularity for computing resources.  For SPARC T-Series processors, the natural level of granularity is an execution thread, not a time-sliced microsecond of execution resources. Each CPU thread can be treated as an independent virtual processor. The scheduler is built into the CPU, without the extra overhead for scheduling in hypervisor. What you get is a lower overhead and higher performance virtualization solution.

Software Download

  • See the instructions to download Oracle VM Server for SPARC software at OTN page.
  • Oracle Solaris 11 Support Repository Updates (SRU) Index [ID 1372094.1]

Software License and Policy

  • My Oracle Support Doc ID 1309370.1: Support Policy for Oracle VM Server for SPARC (LDoms)
  • My Oracle Support Doc ID 1145275.1: Virtualization support for Oracle Solaris

Related Products and Technologies

Forums and Mailing Lists


Oracle SPARC T-Series Systems come with the right to use (RTU) for Oracle VM Server for SPARC, and the software is pre-installed. If you have the systems under warranty or with support, you can download the software and system firmware as well as their updates. Oracle Premier Support for Systems provides fully-integrated support for your server hardware, firmware, OS, and virtualization software. Visit for information about Oracle's support offerings for Sun systems.


Customers and Partners

Videos and Podcast

Performance and Sizing



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  1. Jul 16, 2012

    FYI: The last link (OTN: Virtualization) under:

    Forums and Mailing Lists

    fails with bad forum ID.


  2. Oct 12, 2012

    As of Oct. 12, 2012 the following link no longer works:

    (11 Jul 2012) Webcast: Best Practices to Accelerate Oracle VM Server for SPARC Deployments, see the recording and slides.


    1. Oct 12, 2012

      Thanks for pointing out, updated the link:

  3. May 06, 2014

    link not live , please check again...@ [21862\||]

    Thank so much..


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