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From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 21 Oct 2014 06:23:15 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r273372 - stable/10/share/man/man4
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Author: mav
Date: Tue Oct 21 06:23:14 2014
New Revision: 273372
URL: https://svnweb.freebsd.org/changeset/base/273372

Log:
  MFC r262294 (by ivoras):
  Explain how and where kern.cam.ada.write_cache can be set in practical
  situations.

Modified:
  stable/10/share/man/man4/ada.4
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/share/man/man4/ada.4
==============================================================================
--- stable/10/share/man/man4/ada.4	Tue Oct 21 05:45:57 2014	(r273371)
+++ stable/10/share/man/man4/ada.4	Tue Oct 21 06:23:14 2014	(r273372)
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 8, 2012
+.Dd February 21, 2014
 .Dt ADA 4
 .Os
 .Sh NAME
@@ -129,8 +129,13 @@ The default is currently enabled.
 These variables determines whether device write cache should be enabled
 globally or per-device or disabled.
 Set to 1 to enable write cache, 0 to disable, -1 to leave it as-is.
-Values modified in runtime take effect only after device reset.
-The global default is currently enabled.
+Values modified at runtime take effect only after device reset 
+.Pq using the reset subcommand of Xr camcontrol 8 .
+Because of that, this setting should be changed in
+.Pa /boot/loader.conf
+instead of
+.Pa /etc/sysctl.conf .
+The global default is currently 1.
 The per-device default is to leave it as-is (follow global setting).
 .El
 .Sh FILES