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<li class="toctree-l1"><a class="reference internal" href="../adm.html">Managing File Systems</a></li>
<li class="toctree-l1"><a class="reference internal" href="../mount.html">Mounting</a></li>
<li class="toctree-l1"><a class="reference internal" href="../special.html">Advanced S3QL Features</a></li>
<li class="toctree-l1"><a class="reference internal" href="../umount.html">Unmounting</a></li>
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<li class="toctree-l2 current"><a class="current reference internal" href="">The <strong class="program">mount.s3ql</strong> command</a></li>
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<div class="section" id="the-mount-s3ql-command">
<h1>The <strong class="program">mount.s3ql</strong> command<a class="headerlink" href="#the-mount-s3ql-command" title="Permalink to this headline">¶</a></h1>
<div class="section" id="synopsis">
<h2>Synopsis<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
<div class="highlight-commandline"><div class="highlight"><pre><span class="l">mount.s3ql </span><span class="ge">[options]</span><span class="l"> </span><span class="nv"><storage url></span><span class="l"> </span><span class="nv"><mount point></span><span class="l"></span>
</pre></div>
</div>
</div>
<div class="section" id="description">
<h2>Description<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
<p>The <strong class="command">mount.s3ql</strong> command mounts the S3QL file system stored in <em>storage
url</em> in the directory <em>mount point</em>. The storage url depends on the
backend that is used. The S3QL User’s Guide should be consulted for a
description of the available backends.</p>
</div>
<div class="section" id="options">
<h2>Options<a class="headerlink" href="#options" title="Permalink to this headline">¶</a></h2>
<p>The <strong class="command">mount.s3ql</strong> command accepts the following options.</p>
<blockquote>
<div><table class="docutils option-list" frame="void" rules="none">
<col class="option" />
<col class="description" />
<tbody valign="top">
<tr><td class="option-group">
<kbd><span class="option">--log <var><target></var></span></kbd></td>
<td>Write logging info into this file. File will be
rotated when it reaches 1 MiB, and at most 5 old log
files will be kept. Specify <tt class="docutils literal"><span class="pre">none</span></tt> to disable
logging. Default: <tt class="docutils literal"><span class="pre">~/.s3ql/mount.log</span></tt></td></tr>
<tr><td class="option-group" colspan="2">
<kbd><span class="option">--cachedir <var><path></var></span></kbd></td>
</tr>
<tr><td> </td><td>Store cached data in this directory (default:
<tt class="docutils literal"><span class="pre">~/.s3ql)</span></tt></td></tr>
<tr><td class="option-group" colspan="2">
<kbd><span class="option">--authfile <var><path></var></span></kbd></td>
</tr>
<tr><td> </td><td>Read authentication credentials from this file
(default: <tt class="docutils literal"><span class="pre">~/.s3ql/authinfo2)</span></tt></td></tr>
<tr><td class="option-group" colspan="2">
<kbd><span class="option">--debug <var><module></var></span></kbd></td>
</tr>
<tr><td> </td><td>activate debugging output from <module>. Use <tt class="docutils literal"><span class="pre">all</span></tt> to
get debug messages from all modules. This option can
be specified multiple times.</td></tr>
<tr><td class="option-group">
<kbd><span class="option">--quiet</span></kbd></td>
<td>be really quiet</td></tr>
<tr><td class="option-group">
<kbd><span class="option">--no-ssl</span></kbd></td>
<td>Do not use secure (ssl) connections when connecting to
remote servers.</td></tr>
<tr><td class="option-group" colspan="2">
<kbd><span class="option">--ssl-ca-path <var>path</var></span></kbd></td>
</tr>
<tr><td> </td><td>File or directory or containing the trusted CA
certificates. If not specified, the defaults compiled
into the system’s OpenSSL library are used.</td></tr>
<tr><td class="option-group">
<kbd><span class="option">--version</span></kbd></td>
<td>just print program version and exit</td></tr>
<tr><td class="option-group" colspan="2">
<kbd><span class="option">--cachesize <var><size></var></span></kbd></td>
</tr>
<tr><td> </td><td>Cache size in KiB (default: 102400 (100 MiB)). Should
be at least 10 times the maximum object size of the
filesystem, otherwise an object may be retrieved and
written several times during a single write() or
read() operation.</td></tr>
<tr><td class="option-group" colspan="2">
<kbd><span class="option">--max-cache-entries <var><num></var></span></kbd></td>
</tr>
<tr><td> </td><td>Maximum number of entries in cache (default: 768).
Each cache entry requires one file descriptor, so if
you increase this number you have to make sure that
your process file descriptor limit (as set with
<tt class="docutils literal"><span class="pre">ulimit</span> <span class="pre">-n</span></tt>) is high enough (at least the number of
cache entries + 100).</td></tr>
<tr><td class="option-group">
<kbd><span class="option">--allow-other</span></kbd></td>
<td>Normally, only the user who called <tt class="docutils literal"><span class="pre">mount.s3ql</span></tt> can
access the mount point. This user then also has full
access to it, independent of individual file
permissions. If the <tt class="docutils literal"><span class="pre">--allow-other</span></tt> option is
specified, other users can access the mount point as
well and individual file permissions are taken into
account for all users.</td></tr>
<tr><td class="option-group">
<kbd><span class="option">--allow-root</span></kbd></td>
<td>Like <tt class="docutils literal"><span class="pre">--allow-other</span></tt>, but restrict access to the
mounting user and the root user.</td></tr>
<tr><td class="option-group">
<kbd><span class="option">--fg</span></kbd></td>
<td>Do not daemonize, stay in foreground</td></tr>
<tr><td class="option-group">
<kbd><span class="option">--single</span></kbd></td>
<td>Run in single threaded mode. If you don’t understand
this, then you don’t need it.</td></tr>
<tr><td class="option-group">
<kbd><span class="option">--upstart</span></kbd></td>
<td>Stay in foreground and raise SIGSTOP once mountpoint
is up.</td></tr>
<tr><td class="option-group">
<kbd><span class="option">--profile</span></kbd></td>
<td>Create profiling information. If you don’t understand
this, then you don’t need it.</td></tr>
<tr><td class="option-group" colspan="2">
<kbd><span class="option">--compress <var><algorithm-lvl></var></span></kbd></td>
</tr>
<tr><td> </td><td>Compression algorithm and compression level to use
when storing new data. <em>algorithm</em> may be any of
<tt class="docutils literal"><span class="pre">lzma</span></tt>, <tt class="docutils literal"><span class="pre">bzip2</span></tt>, <tt class="docutils literal"><span class="pre">zlib</span></tt>, or none. <em>lvl</em> may be any
integer from 0 (fastest) to 9 (slowest). Default:
<tt class="docutils literal"><span class="pre">lzma-6</span></tt></td></tr>
<tr><td class="option-group" colspan="2">
<kbd><span class="option">--metadata-upload-interval <var><seconds></var></span></kbd></td>
</tr>
<tr><td> </td><td>Interval in seconds between complete metadata uploads.
Set to 0 to disable. Default: 24h.</td></tr>
<tr><td class="option-group">
<kbd><span class="option">--threads <var><no></var></span></kbd></td>
<td>Number of parallel upload threads to use (default:
auto).</td></tr>
<tr><td class="option-group">
<kbd><span class="option">--nfs</span></kbd></td>
<td>Enable some optimizations for exporting the file
system over NFS. (default: False)</td></tr>
</tbody>
</table>
</div></blockquote>
</div>
<div class="section" id="exit-status">
<h2>Exit Status<a class="headerlink" href="#exit-status" title="Permalink to this headline">¶</a></h2>
<p><strong class="command">mount.s3ql</strong> returns exit code 0 if the operation succeeded and 1 if some
error occurred.</p>
</div>
<div class="section" id="see-also">
<h2>See Also<a class="headerlink" href="#see-also" title="Permalink to this headline">¶</a></h2>
<p>The S3QL homepage is at <a class="reference external" href="http://code.google.com/p/s3ql/">http://code.google.com/p/s3ql/</a>.</p>
<p>The full S3QL documentation should also be installed somewhere on your
system, common locations are <tt class="file docutils literal"><span class="pre">/usr/share/doc/s3ql</span></tt> or
<tt class="file docutils literal"><span class="pre">/usr/local/doc/s3ql</span></tt>.</p>
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