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Red Hat Enterprise Linux 4 Update 3 Availability Announcement

Red Hat is pleased to announce the availability of Update 3
for the Red Hat Enterprise Linux 4 family of products

  - Red Hat Enterprise Linux AS 4 for x86, AMD64/EM64T,
     Itanium, POWER, S/390 and zSeries
  - Red Hat Enterprise Linux ES 4 for x86, AMD64/EM64T, Itanium
  - Red Hat Enterprise Linux WS 4 for x86, AMD64/EM64T, Itanium
  - Red Hat Desktop 4 for x86 and AMD64/EM64T

This update includes the following enhancements:

  - Availability of a full set of updated installable CD ISO
     with OS package updates and install-time support for
     new hardware.

  - Availability of updated Extras ISO images with third
     party package updates.

  - Hardware support enhancements:
      * Improved support for larger system configurations with
        - up to 64 logical CPUs on AMD64 and EM64T 64 bit platforms
          through a new "largesmp" kernel variant depending on
          hardware certification.
        - up to 64 logical CPUs on PPC (and IA64 carried forward
          from Update 2) with the existing "smp" kernel variant
          depending on hardware certification.
      * Technology preview for support of very large system
        configurations on IA64 (up to 256 logical CPUs) and PPC (up
        to 128 logical CPUs).
        **  NOTE: These are the certification limits Red Hat is
            currently aiming at depending on partner and customer
            testing feedback. Theoretical limits referenced in the
            Kernel notes might be higher.
            Independent of any technology preview or theoretical
            limit, the actual supported system configuration limits
            that depend on real partner hardware to be certified
            are documented on the Red Hat website at
      * IA64 multi-core support
      * Driver updates including
        cciss, hangcheck-timer, ipmi_devintf, ipmi_msghandler,
        ipmi_poweroff, ipmi_si, ipmi_watchdog, mptbase, e1000,  ixgb,
        tg3, aacraid, ahci, ata_piix, iscsi_sfnet, libata, qla2100,
        qla2200, qla2300, qla2322, qla2xxx, qla6312, sata_nv,
        sata_promise, sata_svw, sata_sx4, sata_vsc, cifs
      * Driver additions including
        bnx2, dell_rbu, ib_mthca, megaraid_sas, qla2400, typhoon

- Security enhancements:
      * Execshield updates
      * Begin use of gcc FORTIFY_SOURCE build option in some
        package updates
      * SELinux policy updates
      * Updated kernel key management support

- System tools enhancements:
      * SystemTap dynamic system instrumentation tool enhancements
        including technology preview for broader hardware architecture
      * Kernel crash dump analysis tool enhancements
      * Technology preview of the Frysk execution analysis framework,
        for more information visit http://sourceware.org/frysk/
      * Updated OpenIPMI support

- Storage enhancements:
      * Improvements to autofs / automount
      * Device-mapper snapshot and multipath I/O improvements
      * Support for 4GB-versions of Fibre Channel HBAs
      * NFS access control lists, asynchronous I/O

- Networking enhancements:
      * Technology preview of Infiniband support via the OpenIB stack

- Updated third-party Java packages on the Extras CD

- Security updates, bug fixes, and feature enhancements to
     numerous system packages

Errata Advisories describing specific changes in Update 3 are
available online at:
   https://rhn.redhat.com/errata/rhel4as-errata.html (AS)
   https://rhn.redhat.com/errata/rhel4es-errata.html (ES)
   https://rhn.redhat.com/errata/rhel4ws-errata.html (WS)
   https://rhn.redhat.com/errata/rh-desktop-4-errata.html (Desktop)

Release notes for this update will be available on the Red Hat
documentation site at:

This update is available immediately to all current
Red Hat Enterprise Linux subscribers via Red Hat Network.
Simply run 'up2date' to retrieve the latest packages
or visit the following URL to download ISO images for
new installations:


The Red Hat Enterprise Linux Team

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