On 28 November 2016 at 20:13, Stefan Huchler <stefan.huch...@mail.de> wrote: > I was so cracy that I installed nixos on a 16gb chromebook. which makes > every update now very hard, because of space problems. > > So well then I thought I have this 64gb sd(hx?) card lets just move the > whole /nix/store there. But when I run a hdparm -tT performance test I > got I think 17mb/s vs 170mb/s read results sdcard vs internal flash. > > So I would prefer to not slow my complete system down by putting it > completly on the sdcard, but I would like to have some history to revert > back to something. > > Is there a way to keep only the packages form the current profile on the > internal flash and move old stuff to the sdcard? > > Or should I use some sort of raid (btrfs maybe) to spread the files over > both devises. > > I also thought about putting all on the sdcard but have a very big swap > file on the internal flash. But I think the System dont has to swap much > on my setup. so the first read would be where it counts. > > Or maybe just install for the user the packages he needs most under his > user profile, like the browser which I restart very often. > > Is there some nixos-way to do that? > > Or any suggestions would be nice. > > Thanks
Have you looked into SSD caching? I have not tried it myself, but something like dm-cache might be what you're looking for. James _______________________________________________ nix-dev mailing list nix-dev@lists.science.uu.nl http://lists.science.uu.nl/mailman/listinfo/nix-dev