Write cache doc cleanups

Greg Smith

diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml
index 55cd6b1d6b82619189c8edd56977b4b490411b7a..2d0886334abb5118d320e55e860593c92b957a1f 100644 (file)
--- a/doc/src/sgml/wal.sgml
+++ b/doc/src/sgml/wal.sgml
@@ -1,4 +1,4 @@
-
+
 
 
  Reliability and the Write-Ahead Log
@@ -57,11 +57,11 @@
    And finally, most disk drives have caches. Some are write-through
    while some are write-back, and the
    same concerns about data loss exist for write-back drive caches as
-   exist for disk controller caches.  Consumer-grade IDE drives are
+   exist for disk controller caches.  Consumer-grade IDE and SATA drives are
    particularly likely to have write-back caches that will not survive a
    power failure.  To check write caching on Linux use
    hdparm -I;  it is enabled if there is a * next
-   to Write cache.  hdparm -W can to turn off
+   to Write cache.  hdparm -W to turn off
    write caching.  On FreeBSD use
    atacontrol.  (For SCSI disks use 
    url="http://sg.torque.net/sg/sdparm.html">sdparm