[HPDD-discuss] Lustre 2.7.0 released

We are pleased to announce that the Lustre 2.7.0 Release has been declared GA and packages are available for download. http://downloads.hpdd.intel.com/public/lustre/lustre-2.7.0 The source code is also available directly from the public git repository. http://git.whamcloud.com/fs/lustre-release.git/snapshot/8eb26594344887fab... git://git.whamcloud.com/fs/lustre-release.git This major release includes the following new features: * MDT-MDT Consistency Verification (LFSCK Phase 3) - Extends the FID-in-direct and linkEA verification from single MDT to cross-MDTs cases, and adds some inconsistent check/repair for remote object and striped directory. This development is funded by OpenSFS. https://jira.hpdd.intel.com/browse/LU-4788 * Dynamic LNET Config - Allows runtime configuration of Lustre networks, routes, and routers. https://jira.hpdd.intel.com/browse/LU-2456 * OST Placement - Provides fine-grained control of object placement via 'lfs setstripe'. This development originated from Fujitsu. https://jira.hpdd.intel.com/browse/LU-4665 * UID/GID Mapping -This is an IU developed feature that will allow mapping certain networks into pre-defined user/group ranges in order to avoid potential overlaps within different administrative domains. This is a technology preview that will be fully available in a future Lustre release. https://jira.hpdd.intel.com/browse/LU-3291 * DNE Striped Directory preview -While the striped directories are available in 2.7, it is not yet possible to do hard links or atomic rename() of files across MDTs within a striped directory, which will return -EXDEV. This will cause userspace tools like mv and rsync to make a copy of the file, but may be unexpected for some applications and users. https://jira.hpdd.intel.com/browse/LU-3531 Fuller details can be found in the Changelog: https://wiki.hpdd.intel.com/display/PUB/Changelog+2.7 The following are known issues in the Lustre 2.7 Release: * https://jira.hpdd.intel.com/browse/LU-5939 - HSM agent operations might be replayed improperly in case of a server crash due to recovery. While producing error messages from HSM client at the time, this is safe since the agent will retry once the server is back up. * https://jira.hpdd.intel.com/browse/LU-6338 - Command lnetctl import del may show an error message even when the operation was successful. * https://jira.hpdd.intel.com/browse/LU-6340 - Sample lnet startup script may improperly configure Lustre routers configuration if both old and new style config information is present. NOTE: Users should note that usage of the e2fsprogs-based lfsck has been deprecated and replaced by "lctl lfsck_start=94. Using older e2fsprogs-based lfsck may lead to filesystem corruption. Once available, it is also recommended to use e2fsprogs-1.42.12.wc1 (or newer). Please log any issues found through the issue tracking system https://jira.hpdd.intel.com We would like to thank OpenSFS (http://www.opensfs.org) for their contributions towards the cost of the release and also to all Lustre community members who have contributed to the release with code and/or testing.