Storage optimization: Difference between revisions
imported>LucasWagler m Wording in Automatic Optimisation |
No edit summary |
||
| Line 3: | Line 3: | ||
== Optimising the store == | == Optimising the store == | ||
Here we demonstrate how to configure <code>nix</code> to save space via hardlinking store files. | Here we demonstrate how to configure <code>nix</code> to save space via hardlinking store files. | ||
r | |||
=== Automatic === | === Automatic === | ||
To turn on periodic optimisation of the nix store, set the following option in <code>/etc/nixos/configuration.nix</code>: | To turn on periodic optimisation of the nix store, set the following option in <code>/etc/nixos/configuration.nix</code>: | ||
| Line 193: | Line 193: | ||
</syntaxhighlight> | </syntaxhighlight> | ||
# Copy everything from <code>/nix</code> to <code>/mnt</code> ''Trailing slashes are important'', in that without them, <code>rsync</code> will create an additional directory of the same name at the destination. <syntaxhighlight lang="console"> | # Copy everything from <code>/nix</code> to <code>/mnt</code> ''Trailing slashes are important'', in that without them, <code>rsync</code> will create an additional directory of the same name at the destination. <syntaxhighlight lang="console"> | ||
# rsync --archive --acls --one-file-system --verbose /nix/store/ /mnt/store | # rsync --archive --hardlinks --acls --one-file-system --verbose /nix/store/ /mnt/store | ||
# rsync --archive --acls --one-file-system --verbose /nix/var/ /mnt/var | # rsync --archive --hardlinks --acls --one-file-system --verbose /nix/var/ /mnt/var | ||
</syntaxhighlight> | </syntaxhighlight> | ||
# Mount the new partition as the new <code>/nix</code> <syntaxhighlight lang="console"> | # Mount the new partition as the new <code>/nix</code> <syntaxhighlight lang="console"> | ||