You may be able to just copy the lfs_migrate script from a 2.12.x client, I don't think it has any dependencies on kernel or lfs features in the 2.12 release.
I would of course recommend that you test it is working properly on some test hard-linked files before running it on the whole filesystem. On May 27, 2019, at 19:02, Scott Wood <[email protected]> wrote: > > Hi folks, > > I am in the process of draining a dozen OSTs in a 2.10.3 environment (all > servers and clients) for replacement and it turns out they have many files > with multiple hard links to them. We can't leave these files behind, as we > need to replace the OSTs, but we can't let them " be split into multiple > separate files" by lfs_migrate as that would break things. > > From my reading of the changelogs and the new lfs_migrate script, it seems > that these are now handled more elegantly. If I were to upgrade the lustre > client to 2.12.1 on a dozen clients, would the new client side lfs_migrate in > 2.12.1 work with 2.10.3 servers, or will I need a system wide outage to > upgrade all clients and servers? > > Cheers! > Scott Cheers, Andreas -- Andreas Dilger Principal Lustre Architect Whamcloud _______________________________________________ lustre-discuss mailing list [email protected] http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
