<term><option>-c</option></term>
<listitem>
<para>Copy on write. When this option is provided,
- write-operations are not done to the exported file, but to a
- separate file. This separate file is removed when the
- connection is closed, which means that serving this way will
- make nbd-server slow down (especially on large block devices
- with lots of writes), and that after disconnecting and
- reconnecting the client or the server, all changes are
- lost.</para>
+ write-operations are not done to the exported file, but to a
+ separate file. This separate file is removed when the
+ connection is closed, which means that serving this way will
+ make nbd-server slow down (especially on large block devices
+ with lots of writes), and that after disconnecting and
+ reconnecting the client or the server, all changes are
+ lost.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>-C</option></term>
+ <listitem>
+ <para>Specify configuration file. The default configuration
+ file, if this parameter is not specified, is
+ <filename>@sysconfdir@/nbd-server/config</filename>.</para>
+ <para>Note that the configuration file is always parsed and
+ the entries in the file used, even if an extra server is
+ specified on the command line. To disable the configuration
+ file entirely, either move it away or use the -C option to
+ point <command>nbd-server</command>(1) to a non-existing or
+ empty configuration file.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>timeout</option></term>
<listitem>
<para>Maximum number of idle seconds. If a connection is
- inactive for this amount of time, it is terminated; this is to
- avoid stale nbd-server processes staying in memory. Use of
- this option is strongly recommended.</para>
+ inactive for this amount of time, it is terminated; this is to
+ avoid stale nbd-server processes staying in memory. Use of
+ this option is strongly recommended.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>host list</option></term>
<listitem>
<para>This argument should contain a list of IP-addresses
- for hosts that may connect to the server. Wildcards are
- <emphasis>not</emphasis> allowed. If the file does not
- exist, it is ignored (and any host can connect); If the file
- does exist, but is empty, no host can connect. By default,
- the name 'nbd_server.allow' is used, and looked for in the
- current directory, unless nbd-server is compiled as a
- daemon, in which case it is looked for in the
- root-directory.</para>
+ for hosts that may connect to the server. Wildcards are
+ <emphasis>not</emphasis> allowed. If the file does not
+ exist, it is ignored (and any host can connect); If the file
+ does exist, but is empty, no host can connect. By default,
+ the name 'nbd_server.allow' is used, and looked for in the
+ current directory, unless nbd-server is compiled as a
+ daemon, in which case it is looked for in the
+ root-directory.</para>
</listitem>
</varlistentry>
</variablelist>
-
+
</refsect1>
<refsect1>
<title>EXAMPLES</title>
changes are lost after restarting the client or the
server:</para>
<para><command>nbd-server 2000 /export/nbd/exp-bl-dev
- -c</command></para>
+ -c</command></para>
</listitem>
</itemizedlist>
</refsect1>
<refsect1>
<title>SEE ALSO</title>
-
- <para>nbd-client (8), http://nbd.sourceforge.net/roadmap.html</para>
-
+
+ <para>nbd-client (8), nbd-server (5), http://nbd.sourceforge.net/roadmap.html</para>
+
</refsect1>
<refsect1>
<title>AUTHOR</title>
<para>The NBD kernel module and the NBD tools were originally
written by Pavel Machek (pavel@ucw.cz)</para>
-
+
<para>The Linux kernel module is now maintained by Paul Clements
(Paul.Clements@steeleye.com), while the userland tools are
maintained by &dhusername; (&dhemail;)</para>
projects / nbd.git / blobdiff