From eb4792a03f2206616cdfcf42d476b5cb0254e320 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Sun, 30 Apr 2017 14:10:30 +0200
Subject: [PATCH] nixos manual: add a note about "nofail" FS option

Close #1858, as I think the points have been well resolved.
---
 nixos/doc/manual/configuration/file-systems.xml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/nixos/doc/manual/configuration/file-systems.xml b/nixos/doc/manual/configuration/file-systems.xml
index d1b324af3f12..ae3d124cd6bb 100644
--- a/nixos/doc/manual/configuration/file-systems.xml
+++ b/nixos/doc/manual/configuration/file-systems.xml
@@ -35,6 +35,12 @@ or <literal>ext4</literal>, then it’s best to specify
 <option>fsType</option> to ensure that the kernel module is
 available.</para>
 
+<note><para>System startup will fail if any of the filesystems fails to mount,
+dropping you to the emergency shell.
+You can make a mount asynchronous and non-critical by adding
+<literal>options = [ "nofail" ];</literal>.
+</para></note>
+
 <xi:include href="luks-file-systems.xml" />
 
 </chapter>