[Nix-dev] NIX_OTHER_STORES

[Lluís Batlle i Rossell]

On Wed, May 23, 2012 at 09:14:25AM -0400, Eelco Dolstra wrote:
> Hi,
> 
> On 23/05/12 06:28, js at lastlog.de wrote:
> 
> > i would like to understand what NIX_OTHER_STORES is good for (i guess it
> > is used when installing nixos) and how the different location of this store
> > interferes with the problems described above.
> 
> The stores in $NIX_OTHER_STORES must have the same "true" location (i.e.
> /nix/store), so they can be used for binary deployment.  They idea is that
> they're NFS mounts (or similar) of the /nix/store on another machine.  The NixOS
> installer uses it to copy stuff from the /nix/store on the installation CD (so
> /nix/store is bind-mounted into the target chroot).
> 
> Note however that currently NFS mounts don't work due to SQLite issues.

sshfs mounts work, but only if they are read-write. read-only fails.

Regards,
Lluís.