We are pleased to announce that the Lustre 2.9.0 Release has been declared GA and is available for <https://downloads.hpdd.intel.com/public/lustre/latest-feature-release/> download<https://downloads.hpdd.intel.com/public/lustre/lustre-2.9.0/> <https://downloads.hpdd.intel.com/public/lustre/lustre-2.9.0/> . You can also grab the source from <http://git.whamcloud.com/fs/lustre-release.git/commit/ea79df5af4d9b034e39... git<https://git.hpdd.intel.com/?p=fs/lustre-release.git;a=commit;h=425... This major release includes new features: UID/GID Mapping Provides the capability to remap user and group IDs based on node address so as to simplify administration when sharing access between security domains (LU-3291<https://jira.hpdd.intel.com/browse/LU-3291>;) Shared Key Crypto Identifies clients/servers and authenticates/encrypts RPCs (LU-3289<https://jira.hpdd.intel.com/browse/LU-3289>;) Subdirectory Mounts Offers the option for clients to be able to mount only a defined subset of the filesystem (LU-29<https://jira.hpdd.intel.com/browse/LU-28>;) Server Side Advise and Hinting A Lustre equivalent of fadvise that provides hints to the server about the nature of the data access (willread, dontreed) so that appropriate steps can be taken. (LU-4931<https://jira.hpdd.intel.com/browse/LU-4931>;) Large Bulk IO Allows the configuration of larger options to be able to get more efficient network/disk IO . (LU-7990<https://jira.hpdd.intel.com/browse/LU-7990>;) Weak Updates Lustre support for weak updates (KMP) has been added. Please note the associated name changes for the RPMs . (LU-5614<https://jira.hpdd.intel.com/browse/LU-5614>;) Fuller details can be found in the 2.9 wiki page<http://wiki.lustre.org/Release_2.9.0> (including the ch<http://wiki.lustre.org/Lustre_2.9.0_Changelog>ange log<http://wiki.lustre.org/Lustre_2.9.0_Changelog> and test mat<http://wiki.lustre.org/Release_2.9.0#Test_Matrix>rix<http://...;) The following are known issues in the Lustre 2.9 Release: LU-8313<https://jira.hpdd.intel.com/browse/LU-8813> – Deployments using kerberos that have upgraded from an earlier release will need to manually add a–k flag to svcgssd in order to maintain compatibility LU-8880<https://jira.hpdd.intel.com/browse/LU-8880> – Kerberos does not behave in a consistent manner when deploying in a DNE configuration These issues are being actively worked and have proposed fixes under testing and review. Please log any issues found in the issue tracking system<https://jira.hpdd.intel.com/> Thanks to all those who have contributed to the creation of this release.