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Whitespace fixes for the vinum Handbook chapter, in preparation for

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Giorgos Keramidas 2007-03-06 22:45:14 +00:00
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en_US.ISO8859-1/books/handbook/vinum/chapter.sgml
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@ -21,56 +21,60 @@
</chapterinfo>
<title>The Vinum Volume Manager</title>
<sect1 id="vinum-synopsis">
<title>Synopsis</title>
<para>No matter what disks you have, there are always potential
problems:</para>
<para>No matter what disks you have, there are always potential problems:</para>
<itemizedlist>
<listitem>
<para>They can be too small.</para>
</listitem>
<itemizedlist>
<listitem>
<para>They can be too small.</para>
</listitem>
<listitem>
<para>They can be too slow.</para>
</listitem>
<listitem>
<para>They can be too slow.</para>
</listitem>
<listitem>
<para>They can be too unreliable.</para>
</listitem>
</itemizedlist>
<listitem>
<para>They can be too unreliable.</para>
</listitem>
</itemizedlist>
<para>One way some users safeguard themselves against such issues is
through the use of multiple, and sometimes redundant, disks.</para>
<para>One way some users safeguard themselves against such issues is
through the use of multiple, and sometimes redundant, disks.</para>
<para>In addition to supporting various cards and controllers for hardware
RAID systems, the base FreeBSD system includes the Vinum Volume Manager,
a block device driver that implements virtual disk drives.</para>
<para>In addition to supporting various cards and controllers for hardware
RAID systems, the base FreeBSD system includes the Vinum Volume Manager,
a block device driver that implements virtual disk drives.</para>
<para>Vinum provides more flexibility, performance, and reliability than
traditional disk storage, and implements RAID-0, RAID-1, and RAID-5
models both individually and in combination.</para>
<para>Vinum provides more flexibility, performance, and reliability than
traditional disk storage, and implements RAID-0, RAID-1, and RAID-5
models both individually and in combination.</para>
<para>This chapter provides an overview of potential problems with traditional
disk storage, and an introduction to the Vinum Volume Manager.</para>
<note><para>Starting with FreeBSD 5, Vinum has been rewritten in
order to fit into the GEOM architecture (<xref linkend="GEOM">),
retaining the original ideas, terminology, and on-disk metadata.
This rewrite is called <emphasis>gvinum</emphasis> (for <emphasis>
GEOM vinum</emphasis>). The following text usually refers to
<emphasis>Vinum</emphasis> as an abstract name, regardless of the
implementation variant. Any command invocations should now be
done using the <command>gvinum</command> command, and the name of
the kernel module has been changed from
<filename>vinum.ko</filename> to
<filename>geom_vinum.ko</filename>, and all device nodes reside
under <filename>/dev/gvinum</filename> instead of
<filename>/dev/vinum</filename>. As of FreeBSD 6, the old Vinum
implementation is no longer available in the code
base.</para></note>
<para>This chapter provides an overview of potential problems with
traditional disk storage, and an introduction to the Vinum Volume
Manager.</para>
<note>
<para>Starting with FreeBSD 5, Vinum has been rewritten in order
to fit into the GEOM architecture (<xref linkend="GEOM">),
retaining the original ideas, terminology, and on-disk
metadata. This rewrite is called <emphasis>gvinum</emphasis>
(for <emphasis> GEOM vinum</emphasis>). The following text
usually refers to <emphasis>Vinum</emphasis> as an abstract
name, regardless of the implementation variant. Any command
invocations should now be done using
the <command>gvinum</command> command, and the name of the
kernel module has been changed
from <filename>vinum.ko</filename>
to <filename>geom_vinum.ko</filename>, and all device nodes
reside under <filename>/dev/gvinum</filename> instead
of <filename>/dev/vinum</filename>. As of FreeBSD 6, the old
Vinum implementation is no longer available in the code
base.</para>
</note>
</sect1>
<sect1 id="vinum-intro">