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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta name="generator" content="HTML Tidy, see www.w3.org" /><title>The Vinum Volume Manager</title><meta name="GENERATOR" content="Modular DocBook HTML Stylesheet Version 1.7" /><link rel="HOME" title="FreeBSD Handbook" href="index.html" /><link rel="UP" title="System Administration" href="system-administration.html" /><link rel="PREVIOUS" title="Encrypting Disk Partitions" href="disks-encrypting.html" /><link rel="NEXT" title="Disks Are Too Small" href="vinum-intro.html" /><link rel="STYLESHEET" type="text/css" href="docbook.css" /></head><body class="CHAPTER" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#840084"alink="#0000FF"><div class="NAVHEADER"><table summary="Header navigation table" width="100%" border="0" cellpadding="0"cellspacing="0"><tr><th colspan="3" align="center">FreeBSD Handbook</th></tr><tr><td width="10%" align="left" valign="bottom"><a href="disks-encrypting.html"accesskey="P">Prev</a></td><td width="80%" align="center" valign="bottom"></td><td width="10%" align="right" valign="bottom"><a href="vinum-intro.html"accesskey="N">Next</a></td></tr></table><hr align="LEFT" width="100%" /></div><div class="CHAPTER"><h1><a id="VINUM-VINUM" name="VINUM-VINUM"></a>Chapter 17 The Vinum Volume Manager</h1><div class="TOC"><dl><dt><b>Table of Contents</b></dt><dt>17.1 <a href="vinum-vinum.html#VINUM-SYNOPSIS">Synopsis</a></dt><dt>17.2 <a href="vinum-intro.html">Disks Are Too Small</a></dt><dt>17.3 <a href="vinum-access-bottlenecks.html">Access Bottlenecks</a></dt><dt>17.4 <a href="vinum-data-integrity.html">Data Integrity</a></dt><dt>17.5 <a href="vinum-objects.html">Vinum Objects</a></dt><dt>17.6 <a href="vinum-examples.html">Some Examples</a></dt><dt>17.7 <a href="vinum-object-naming.html">Object Naming</a></dt><dt>17.8 <a href="vinum-config.html">Configuring Vinum</a></dt><dt>17.9 <a href="vinum-root.html">Using Vinum for the Root Filesystem</a></dt></dl></div><i class="AUTHORGROUP"><span class="CONTRIB">Originally written by</span> Greg Lehey.</i><div class="SECT1"><h1 class="SECT1"><a id="VINUM-SYNOPSIS" name="VINUM-SYNOPSIS">17.1 Synopsis</a></h1><p>No matter what disks you have, there are always potential problems:</p><ul><li><p>They can be too small.</p></li><li><p>They can be too slow.</p></li><li><p>They can be too unreliable.</p></li></ul><p>One way some users safeguard themselves against such issues is through the use ofmultiple, and sometimes redundant, disks.</p><p>In addition to supporting various cards and controllers for hardware RAID systems, thebase FreeBSD system includes the Vinum Volume Manager, a block device driver thatimplements virtual disk drives.</p><p>Vinum provides more flexibility, performance, and reliability than traditional diskstorage, and implements RAID-0, RAID-1, and RAID-5 models both individually and incombination.</p><p>This chapter provides an overview of potential problems with traditional disk storage,and an introduction to the Vinum Volume Manager.</p></div></div><div class="NAVFOOTER"><hr align="LEFT" width="100%" /><table summary="Footer navigation table" width="100%" border="0" cellpadding="0"cellspacing="0"><tr><td width="33%" align="left" valign="top"><a href="disks-encrypting.html"accesskey="P">Prev</a></td><td width="34%" align="center" valign="top"><a href="index.html"accesskey="H">Home</a></td><td width="33%" align="right" valign="top"><a href="vinum-intro.html"accesskey="N">Next</a></td></tr><tr><td width="33%" align="left" valign="top">Encrypting Disk Partitions</td><td width="34%" align="center" valign="top"><a href="system-administration.html"accesskey="U">Up</a></td><td width="33%" align="right" valign="top">Disks Are Too Small</td></tr></table></div><p align="center"><small>This, and other documents, can be downloaded from <ahref="ftp://ftp.FreeBSD.org/pub/FreeBSD/doc/">ftp://ftp.FreeBSD.org/pub/FreeBSD/doc/</a>.</small></p><p align="center"><small>For questions about FreeBSD, read the <ahref="http://www.FreeBSD.org/docs.html">documentation</a> before contacting <<ahref="mailto:questions@FreeBSD.org">questions@FreeBSD.org</a>>.<br />For questions about this documentation, e-mail <<ahref="mailto:doc@FreeBSD.org">doc@FreeBSD.org</a>>.</small></p></body></html>⌨️ 快捷键说明
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