LUDOC-445 fix minor typo

[doc/manual.git] / BenchmarkingTests.xml

diff --git a/BenchmarkingTests.xml b/BenchmarkingTests.xml
index 635b7f4..3830830 100644 (file)
--- a/BenchmarkingTests.xml
+++ b/BenchmarkingTests.xml
@@ -52,7 +52,7 @@
         </listitem>
         <listitem>
           <para><literal>ost-survey</literal> - Performs I/O against OSTs individually to allow
-            performance comparisons to detect if an OST is performing suboptimally due to hardware
+            performance comparisons to detect if an OST is performing sub-optimally due to hardware
             issues.</para>
         </listitem>
       </itemizedlist>
@@ -68,7 +68,7 @@
           <para>Password-free remote access to nodes in the system (provided by <literal>ssh</literal> or <literal>rsh</literal>).</para>
         </listitem>
         <listitem>
-          <para>LNET self-test completed to test that Lustre networking has been properly installed
+          <para>LNet self-test completed to test that Lustre networking has been properly installed
             and configured. See <xref linkend="lnetselftest"/>.</para>
         </listitem>
         <listitem>
@@ -79,7 +79,7 @@
         </listitem>
       </itemizedlist>
       <para>Download the Lustre I/O kit (<literal>lustre-iokit</literal>)from:</para>
-      <para><link xl:href="http://downloads.hpdd.intel.com/">http://downloads.hpdd.intel.com/</link></para>
+      <para><link xl:href="http://downloads.whamcloud.com/">http://downloads.whamcloud.com/</link></para>
     </section>
   </section>
   <section xml:id="dbdoclet.50438212_51053">
@@ -387,7 +387,7 @@ over all OSTs.</screen>
         </listitem>
         <listitem>
           <para>On the server side, view the statistics at:</para>
-          <screen>/proc/fs/lustre/obdecho/<replaceable>echo_srv</replaceable>/stats</screen>
+          <screen>lctl get_param obdecho.<replaceable>echo_srv</replaceable>.stats</screen>
           <para>where <literal><replaceable>echo_srv</replaceable></literal>
             is the <literal>obdecho</literal> server created by the script.</para>
         </listitem>
@@ -612,14 +612,22 @@ over all OSTs.</screen>
       </section>
       <section remap="h4">
         <title>Visualizing Results</title>
-        <para>It is useful to import the <literal>obdfilter-survey</literal> script summary data (it
-          is fixed width) into Excel (or any graphing package) and graph the bandwidth versus the
-          number of threads for varying numbers of concurrent regions. This shows how the OSS
-          performs for a given number of concurrently-accessed objects (files) with varying numbers
-          of I/Os in flight.</para>
-        <para>It is also useful to monitor and record average disk I/O sizes during each test using the &apos;disk io size&apos; histogram in the file <literal>/proc/fs/lustre/obdfilter/</literal> (see <xref linkend="dbdoclet.50438271_55057"/> for details). These numbers help identify problems in the system when full-sized I/Os are not submitted to the underlying disk. This may be caused by problems in the device driver or Linux block layer.</para>
-        <screen> */brw_stats</screen>
-        <para>The <literal>plot-obdfilter</literal> script included in the I/O toolkit is an example of processing output files to a .csv format and plotting a graph using <literal>gnuplot</literal>.</para>
+        <para>It is useful to import the <literal>obdfilter-survey</literal>
+        script summary data (it is fixed width) into Excel (or any graphing
+        package) and graph the bandwidth versus the number of threads for
+        varying numbers of concurrent regions. This shows how the OSS performs
+        for a given number of concurrently-accessed objects (files) with varying
+        numbers of I/Os in flight.</para>
+        <para>It is also useful to monitor and record average disk I/O sizes
+        during each test using the &apos;disk io size&apos; histogram in the
+        file <literal>lctl get_param obdfilter.*.brw_stats</literal>
+        (see <xref linkend="dbdoclet.50438271_55057"/> for details). These
+        numbers help identify problems in the system when full-sized I/Os are
+        not submitted to the underlying disk. This may be caused by problems in
+        the device driver or Linux block layer.</para>
+        <para>The <literal>plot-obdfilter</literal> script included in the I/O
+        toolkit is an example of processing output files to a .csv format and
+        plotting a graph using <literal>gnuplot</literal>.</para>
       </section>
     </section>
   </section>