Don't forget option 1.5) Get support from your hardware vendor (DDN, Seagate, Cray, Terrascala, Dell, etc)
Ed Wahl OSC ________________________________________ From: lustre-discuss [[email protected]] on behalf of Massimo Sgaravatto [[email protected]] Sent: Friday, December 04, 2015 12:41 PM To: [email protected] Subject: Re: [lustre-discuss] Lustre 2.7 deployment issues Thanks Rick for this useful summary ! What is not clear to me if maintenance releases will eventually be available again or if people running production systems will have to choose among: 1) Buy Intel support contract 2) Move to another filesystem Thanks, Massimo On 04/12/2015 17:53, Mohr Jr, Richard Frank (Rick Mohr) wrote: > >> On Dec 4, 2015, at 9:48 AM, Ray Muno <[email protected]> wrote: >> >> I started with 2.7 since that is what I got pointed to when I went to the >> lustre.org download page. The "Most Recent Release" points me at the 2.7.0 >> tree. If I follow the path to download source on that page, > > > Lustre 2.7 is the most recent release, but with Lustre, the most recent > release doesn’t necessarily imply the most stable release. The most recent > “stable” release that is publicly available is 2.5.3. > > Some brief history: Lustre used to have two types of releases. The feature > releases (2.5, 2.6, 2.7, etc) were intended to roll out new features and this > is where the development work progressed. These were intended to get > released roughly every 6 months. At some point, a release would be chosen to > become the starting point for maintenance releases. The maintenance releases > were meant to focus on stability and bug fixes. For a while, it was Lustre > 2.4 (which resulted in version 2.4.1 - 2.4.3) and then it became Lustre 2.5 > (giving us 2.5.1-2.5.3). Not every feature release gave rise to a > maintenance release (hence no 2.6.1). Intel was managing both feature and > maintenance releases for a while, but this past year they stopped providing > the publicly available maintenance releases. (I believe Intel had a contract > with OpenSFS to provide public maintenance releases, but that contract ended. > If you have an Intel support contract, I assume you get maintenance releases > for more rece nt versions.) But I know there are sites running 2.7 in production. > > There is a support matrix for previous Lustre releases that shows supported > OS versions: > > https://wiki.hpdd.intel.com/display/PUB/Lustre+Support+Matrix > > In summary, > > Status of Lustre maintenance releases = It’s complicated > > -- > Rick Mohr > Senior HPC System Administrator > National Institute for Computational Sciences > http://www.nics.tennessee.edu > > _______________________________________________ > lustre-discuss mailing list > [email protected] > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org > _______________________________________________ lustre-discuss mailing list [email protected] http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
