I have applied the attached patch to document FreeBSD drive write cache
control.
--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml
new file mode 100644
index 96d4916..4d11190
*** a/doc/src/sgml/wal.sgml
--- b/doc/src/sgml/wal.sgml
***************
*** 85,92 ****
<listitem>
<para>
On <productname>FreeBSD</>, IDE drives can be queried using
! <command>atacontrol</command>, and SCSI drives using
! <command>sdparm</command>.
</para>
</listitem>
--- 85,93 ----
<listitem>
<para>
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>.
</para>
</listitem>