--- wikisrc/projects/project/new-automounter.mdwn 2016/08/26 07:45:45 1.1 +++ wikisrc/projects/project/new-automounter.mdwn 2016/08/26 07:50:59 1.2 @@ -1,9 +1,9 @@ [[!template id=project -title="Improved Automounter Support" +title="New automounter" contact=""" -[tech-kern](mailto:tech-net@NetBSD.org), +[tech-kern](mailto:tech-kern@NetBSD.org), [tech-net](mailto:tech-net@NetBSD.org) """ @@ -19,14 +19,21 @@ NetBSD currently uses amd for automatica * File systems are not mounted directly on the desired mount point. As a result applications frequently use incorrect pathnames (e.g. `/amd/server/home/user` instead of `/home/user`) for automatically mounted directories or files beneath them. This is especially problematic in heterogeneous enviroments where not all machines use the same automounter. * The automounter daemon cannot handle high I/O load very well; file access occasionally fails with intermittent errors. +* Userland NFS daemons are prone to deadlocking. The milestones of this project are: * implement a new automounter solution which has configurable mount points -* improve high I/O +* improve behavior under load I/O * show benchmarks and implement automated tests -This could either be done via a Solaris/Linux compatible autofs(4) full in-kernel file system. FreeBSD has already implemented autofs, so we could port theirs and that should significantly simplify the project. +There are at least two possible approaches: one is to port FreeBSD's +autofs(4), which is an in-kernel file system. This has the advantage +of already existing, and being at least loosely Linux and Solaris +compatible. (One could also write a new autofs but that doesn't seem +like a dominant strategy.) + +Another possible approach is a new userland daemon using puffs. """ ]]