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branches/samba-3.2.x/docs/htmldocs/manpages/vfs_prealloc.8.html
r202 r204 1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>vfs_prealloc</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.73.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"><a name="vfs_prealloc.8"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>vfs_prealloc — preallocate matching files to a predetermined size</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="literal">vfs objects = prealloc</code></p></div></div><div class="refsect1" lang="en"><a name="id251 6090"></a><h2>DESCRIPTION</h2><p>This VFS module is part of the1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>vfs_prealloc</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.73.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"><a name="vfs_prealloc.8"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>vfs_prealloc — preallocate matching files to a predetermined size</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="literal">vfs objects = prealloc</code></p></div></div><div class="refsect1" lang="en"><a name="id251"></a><h2>DESCRIPTION</h2><p>This VFS module is part of the 2 2 <a class="citerefentry" href="samba.7.html"><span class="citerefentry"><span class="refentrytitle">samba</span>(7)</span></a> suite.</p><p>The <code class="literal">vfs_prealloc</code> VFS module preallocates 3 3 files to a specified size each time a new file is created. This 4 4 is useful in environments where files are of a predetermined 5 5 size will be written to a disk subsystem where extending file 6 allocations is expensive. </p><p>This module is stackable.</p></div><div class="refsect1" lang="en"><a name="id2 516125"></a><h2>OPTIONS</h2><div class="variablelist"><dl><dt><span class="term">prealloc:EXT = BYTES</span></dt><dd><p>Preallocate all files with the extension EXT to6 allocations is expensive. </p><p>This module is stackable.</p></div><div class="refsect1" lang="en"><a name="id2"></a><h2>OPTIONS</h2><div class="variablelist"><dl><dt><span class="term">prealloc:EXT = BYTES</span></dt><dd><p>Preallocate all files with the extension EXT to 7 7 the size specified by BYTES. 8 </p><p>The following suffixes may be applied to BYTES:</p><div class="itemizedlist"><ul type="disc"><li><p><code class="literal">K</code> - BYTES is a number of kilobytes</p></li><li><p><code class="literal">M</code> - BYTES is a number of megabytes</p></li><li><p><code class="literal">G</code> - BYTES is a number of gigabytes</p></li></ul></div></dd></dl></div></div><div class="refsect1" lang="en"><a name="id24 79220"></a><h2>EXAMPLES</h2><p>A process writes TIFF files to a Samba share, and the8 </p><p>The following suffixes may be applied to BYTES:</p><div class="itemizedlist"><ul type="disc"><li><p><code class="literal">K</code> - BYTES is a number of kilobytes</p></li><li><p><code class="literal">M</code> - BYTES is a number of megabytes</p></li><li><p><code class="literal">G</code> - BYTES is a number of gigabytes</p></li></ul></div></dd></dl></div></div><div class="refsect1" lang="en"><a name="id24"></a><h2>EXAMPLES</h2><p>A process writes TIFF files to a Samba share, and the 9 9 is known these files will almost always be around 4 megabytes 10 10 (4194304 bytes): </p><pre class="programlisting"> … … 13 13 <a class="link" href="smb.conf.5.html#VFSOBJECTS">vfs objects = prealloc</a> 14 14 <a class="link" href="smb.conf.5.html#PREALLOC:TIFF">prealloc:tiff = 4M</a> 15 </pre></div><div class="refsect1" lang="en"><a name="id24 79385"></a><h2>CAVEATS</h2><p><code class="literal">vfs_prealloc</code> is not supported on all15 </pre></div><div class="refsect1" lang="en"><a name="id24"></a><h2>CAVEATS</h2><p><code class="literal">vfs_prealloc</code> is not supported on all 16 16 platforms and filesystems. Currently only XFS filesystems on 17 17 Linux and IRIX are supported. 18 </p></div><div class="refsect1" lang="en"><a name="id24 79401"></a><h2>VERSION</h2><p>This man page is correct for version 3.0.25 of the Samba suite.19 </p></div><div class="refsect1" lang="en"><a name="id24 79412"></a><h2>AUTHOR</h2><p>The original Samba software and related utilities18 </p></div><div class="refsect1" lang="en"><a name="id24"></a><h2>VERSION</h2><p>This man page is correct for version 3.0.25 of the Samba suite. 19 </p></div><div class="refsect1" lang="en"><a name="id24"></a><h2>AUTHOR</h2><p>The original Samba software and related utilities 20 20 were created by Andrew Tridgell. Samba is now developed 21 21 by the Samba Team as an Open Source project similar
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