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-rw-r--r--pkgs/os-specific/linux/kernel/common-config.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index 6d04340ab46..a528df26964 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -245,6 +245,9 @@ with stdenv.lib;
   USB_SERIAL_KEYSPAN_USA49W y
   USB_SERIAL_KEYSPAN_USA49WLC y
 
+  # Device mapper (RAID, LVM, etc.)
+  MD y
+
   # Filesystem options - in particular, enable extended attributes and
   # ACLs for all filesystems that support them.
   FANOTIFY y