</row>
<row>
<entry>
- <literal> mdt.MDS.mds </literal>
+ <literal> mds.MDS.mdt </literal>
</entry>
<entry>
<para>Main metadata operations service</para>
</row>
<row>
<entry>
- <literal> mdt.MDS.mds_readpage </literal>
+ <literal> mds.MDS.mdt_readpage </literal>
</entry>
<entry>
<para>Metadata <literal>readdir</literal> service</para>
</row>
<row>
<entry>
- <literal> mdt.MDS.mds_setattr </literal>
+ <literal> mds.MDS.mdt_setattr </literal>
</entry>
<entry>
<para>Metadata <literal>setattr/close</literal> operations service </para>
</tgroup>
</informaltable>
<para>For each service, an entry as shown below is
- created:<screen>/proc/fs/lustre/<replaceable>{service}</replaceable>/*/thread_<replaceable>{min,max,started}</replaceable></screen></para>
- <para>To temporarily set this tunable, run:</para>
- <screen># lctl <replaceable>{get,set}</replaceable>_param <replaceable>{service}</replaceable>.thread_<replaceable>{min,max,started}</replaceable> </screen>
- <para>To permanently set this tunable, run:</para>
- <screen># lctl conf_param <replaceable>{service}</replaceable>.thread_<replaceable>{min,max,started}</replaceable> </screen>
- <para>The following examples show how to set thread counts and get the number of running threads
- for the service <literal>ost_io</literal> using the tunable
- <literal>{service}.thread_{min,max,started}</literal>.</para>
+ created:<screen>/proc/fs/lustre/<replaceable>service</replaceable>/*/threads_<replaceable>min|max|started</replaceable></screen></para>
+ <itemizedlist>
+ <listitem>
+ <para>To temporarily set this tunable, run:</para>
+ <screen># lctl <replaceable>get|set</replaceable>_param <replaceable>service</replaceable>.threads_<replaceable>min|max|started</replaceable> </screen>
+ </listitem>
+ <listitem>
+ <para>To permanently set this tunable, run:</para>
+ <screen># lctl conf_param <replaceable>obdname|fsname.obdtype</replaceable>.threads_<replaceable>min|max|started</replaceable> </screen>
+ <para condition='l25'>For version 2.5 or later, run:
+ <screen># lctl set_param -P <replaceable>service</replaceable>.threads_<replaceable>min|max|started</replaceable></screen></para>
+ </listitem>
+ </itemizedlist>
+ <para>The following examples show how to set thread counts and get the number of running threads
+ for the service <literal>ost_io</literal> using the tunable
+ <literal><replaceable>service</replaceable>.threads_<replaceable>min|max|started</replaceable></literal>.</para>
<itemizedlist>
<listitem>
<para>To get the number of running threads, run:</para>
ost.OSS.ost_io.threads_max=256</screen>
</listitem>
<listitem>
+ <para>To set the maximum thread count to 256 instead of 512 permanently, run:</para>
+ <screen># lctl conf_param testfs.ost.ost_io.threads_max=256</screen>
+ <para condition='l25'>For version 2.5 or later, run:
+ <screen># lctl set_param -P ost.OSS.ost_io.threads_max=256
+ost.OSS.ost_io.threads_max=256 </screen> </para>
+ </listitem>
+ <listitem>
<para> To check if the <literal>threads_max</literal> setting is active, run:</para>
<screen># lctl get_param ost.OSS.ost_io.threads_max
ost.OSS.ost_io.threads_max=256</screen>