From 262d7f8bacfbbb01d05cab5b01d8a8422c38b9e3 Mon Sep 17 00:00:00 2001
From: Robert Haas <rhaas@postgresql.org>
Date: Mon, 10 Oct 2011 13:21:35 -0400
Subject: [PATCH] Improve documentation of how to fiddle with SCSI drives on
 FreeBSD.

Per suggestions from Achilleas Mantzios and Greg Smith.
---
 doc/src/sgml/wal.sgml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml
index 4d111903a7..ff825eca3b 100644
--- a/doc/src/sgml/wal.sgml
+++ b/doc/src/sgml/wal.sgml
@@ -87,7 +87,9 @@
         On <productname>FreeBSD</>, IDE drives can be queried using
         <command>atacontrol</command> and write caching turned off using
         <literal>hw.ata.wc=0</> in <filename>/boot/loader.conf</>;
-        SCSI drives use <command>sdparm</command>.
+        SCSI drives can be queried using <command>camcontrol identify</command>,
+        and the write cache both queried and changed using
+        <command>sdparm</command> when available.
       </para>
     </listitem>
 
-- 
2.40.0