impermanence: fix /etc/zfs cache

2026-01-13 13:13:49 -05:00
parent 56fe61011a
commit de89e70a05
1 changed files with 4 additions and 3 deletions
--- a/modules/impermanence.nix
+++ b/modules/impermanence.nix
@@ -20,14 +20,15 @@
      "/var/lib/nixos"

      "/var/lib/systemd/timers"
+
+      # ZFS cache directory - persisting the directory instead of the file
+      # avoids "device busy" errors when ZFS atomically updates the cache
+      "/etc/zfs"
    ];

    files = [
      # Machine ID
      "/etc/machine-id"
-
-      # ZFS cache
-      "/etc/zfs/zpool.cache"
    ];

    users.${username} = {