On 2017-06-18 06:43, Wout Mertens wrote: > > Note, sharing /nix is already not really possible because the metadata is > stored in sqlite and its locking does not play nice with nfs. (*) > > Another issue is that right now, nix does not /require/ the daemon to work, > and this proposal would change that. > > However, you can totally share /nix between multiple hosts, you just have to > pinkie-promise not to write to it from multiple hosts at the same time. > > Wout.
I used this in a single-user setup: https://github.com/nixos-users/wiki/wiki/NFS#nix-store-on-nfs I did not experienced problems so far > > (*): the reason is that fnctl() locking is broken on many implementations. If > this testing project > https://sourceforge.net/projects/locktests/files/?source=navbar says it's not > broken, you can totally use nix on nfs. > > On Sun, 18 Jun 2017, 5:10 AM , <sba...@catern.com <mailto:sba...@catern.com>> > wrote: > > > My understanding is that currently GC roots (symlinks in > profiles/gcroots) are created and deleted directly by the various Nix > tools, even in multi-user configurations. (whether on NixOS or on > another Linux distribution) > > It seems to me that it would be useful for the daemon to handle making > GC roots, and forbid users to directly create GC roots. > > The features that come to mind: > - Allows later implementing policy about GC roots/space consumption > - Allows avoiding complicated locking around doing GC > - Allows /nix to be put on network storage transparently > - Allows /nix to be shared between containers transparently > > The network-storage-/nix use case may be the most important, since there > seems to be a lot of people who want to put /nix on NFS. > > Thoughts? Has this been considered? > > Thanks for Nix! > > _______________________________________________ > nix-dev mailing list > nix-dev@lists.science.uu.nl <mailto:nix-dev@lists.science.uu.nl> > https://mailman.science.uu.nl/mailman/listinfo/nix-dev > > > > _______________________________________________ > nix-dev mailing list > nix-dev@lists.science.uu.nl > https://mailman.science.uu.nl/mailman/listinfo/nix-dev _______________________________________________ nix-dev mailing list nix-dev@lists.science.uu.nl https://mailman.science.uu.nl/mailman/listinfo/nix-dev
