source: postlfs/filesystems/lvm2.xml@ fd6df75

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Last change on this file since fd6df75 was fd6df75, checked in by Bruce Dubbs <bdubbs@…>, 9 years ago

Update to LVM2.2.02.125

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@16227 af4574ff-66df-0310-9fd7-8a98e5e911e0
  • Property mode set to 100644
File size: 10.3 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY lvm2-download-http " ">
8 <!ENTITY lvm2-download-ftp "ftp://sources.redhat.com/pub/lvm2/LVM2.&lvm2-version;.tgz">
9 <!ENTITY lvm2-md5sum "2d24ba982c8a85e8c837210f087a6a51">
10 <!ENTITY lvm2-size "1.7 MB">
11 <!ENTITY lvm2-buildsize "24 MB (additional 12 MB to run the test suite)">
12 <!ENTITY lvm2-time "0.3 SBU (additional 2.7 SBU to run the test suite)">
13]>
14
15<sect1 id="lvm2" xreflabel="LVM2-&lvm2-version;">
16 <?dbhtml filename="lvm2.html"?>
17
18 <sect1info>
19 <othername>$LastChangedBy$</othername>
20 <date>$Date$</date>
21 </sect1info>
22
23 <title>LVM2-&lvm2-version;</title>
24
25 <indexterm zone="lvm2">
26 <primary sortas="a-LVM2">LVM2</primary>
27 </indexterm>
28
29 <sect2 role="package">
30 <title>Introduction to LVM2</title>
31
32 <para>
33 The <application>LVM2</application> package is a package that manages
34 logical partitions. It allows spanning of file systems across multiple
35 physical disks and disk partitions and provides for dynamic growing or
36 shrinking of logical partitions.
37 </para>
38
39 &lfs77_checked; &gcc5_checked;
40
41 <bridgehead renderas="sect3">Package Information</bridgehead>
42 <itemizedlist spacing="compact">
43 <listitem>
44 <para>
45 Download (HTTP): <ulink url="&lvm2-download-http;"/>
46 </para>
47 </listitem>
48 <listitem>
49 <para>
50 Download (FTP): <ulink url="&lvm2-download-ftp;"/>
51 </para>
52 </listitem>
53 <listitem>
54 <para>
55 Download MD5 sum: &lvm2-md5sum;
56 </para>
57 </listitem>
58 <listitem>
59 <para>
60 Download size: &lvm2-size;
61 </para>
62 </listitem>
63 <listitem>
64 <para>
65 Estimated disk space required: &lvm2-buildsize;
66 </para>
67 </listitem>
68 <listitem>
69 <para>
70 Estimated build time: &lvm2-time;
71 </para>
72 </listitem>
73 </itemizedlist>
74
75 <bridgehead renderas="sect3">LVM2 Dependencies</bridgehead>
76
77 <bridgehead renderas="sect4">Optional</bridgehead>
78 <para role="optional">
79 <xref linkend='mdadm'/> (for checks) and
80 <xref linkend='xfsprogs'/> (for checks)
81 </para>
82
83 <para condition="html" role="usernotes">User Notes:
84 <ulink url="&blfs-wiki;/lvm2"/>
85 </para>
86 </sect2>
87
88 <sect2 role="kernel" id="lvm2-kernel">
89 <title>Kernel Configuration</title>
90
91 <para>
92 Enable the following options in the kernel configuration
93 and recompile the kernel:
94 </para>
95
96 <note><para>
97 There are several other Device Mapper options in the kernel beyond those
98 listed below. In order to get reasonable results if running the
99 regression tests, all must be enabled either internally or as a module.
100 </para></note>
101
102<screen><literal>Device Drivers ---&gt;
103 [*] Multiple devices driver support (RAID and LVM) ---&gt; [CONFIG_MD]
104 &lt;*/M&gt; Device mapper support [CONFIG_BLK_DEV_DM]
105 &lt;*/M/ &gt; Crypt target support [CONFIG_DM_CRYPT]
106 &lt;*/M/ &gt; Snapshot target [CONFIG_DM_SNAPSHOT]
107 &lt;*/M/ &gt; Mirror target [CONFIG_DM_MIRROR]</literal></screen>
108
109 <indexterm zone="lvm2 lvm2-kernel">
110 <primary sortas="d-lvm2">lvm2</primary>
111 </indexterm>
112
113 </sect2>
114
115 <sect2 role="installation">
116 <title>Installation of LVM2</title>
117
118 <para>
119 Install <application>LVM2</application> by running the following
120 commands:
121 </para>
122
123<screen><userinput>./configure --prefix=/usr \
124 --exec-prefix= \
125 --with-confdir=/etc \
126 --enable-applib \
127 --enable-cmdlib \
128 --enable-pkgconfig \
129 --enable-udev_sync &amp;&amp;
130make</userinput></screen>
131
132 <para>
133 To test the results, issue: <command>make -k
134 check</command> as the <systemitem class="username">root</systemitem>
135 user. At least one partition on a hard drive must be set up as a Linux
136 LVM partition (type 8e00). The test timings are very dependent on the
137 speed of the disk(s), and on the number of enabled kernel options. A
138 small number of tests may fail.
139<!-- My results: 448 tests: 141 passed, 302 skipped, 5 broken, 0 failed
140 version LVM2-2.02.125. Not all kernel settings enabled, but those
141 above all were set - Bruce -->
142 </para>
143
144 <para>
145 Now, as the <systemitem class="username">root</systemitem> user:
146 </para>
147
148<screen role="root"><userinput>make install</userinput></screen>
149
150 </sect2>
151
152 <sect2 role="commands">
153 <title>Command Explanations</title>
154
155 <para>
156 <parameter>--enable-applib</parameter>: This switch enables
157 building of the shared application library.
158 </para>
159
160 <para>
161 <parameter>--enable-cmdlib</parameter>: This switch enables
162 building of the shared command library. It is required
163 when building the event daemon.
164 </para>
165
166 <para>
167 <parameter>--enable-pkgconfig</parameter>: This switch enables
168 installation of <command>pkg-config</command> support files.
169 </para>
170
171 <para>
172 <parameter>--enable-udev_sync</parameter>: This switch enables
173 synchronisation with <application>Udev</application> processing.
174 </para>
175
176 <para>
177 <option>--enable-dmeventd</option>: This switch enables
178 building of the <application>Device Mapper</application>
179 event daemon.
180 </para>
181
182 </sect2>
183
184 <sect2 role="content">
185 <title>Contents</title>
186
187 <segmentedlist>
188 <segtitle>Installed Programs</segtitle>
189 <segtitle>Installed Libraries</segtitle>
190 <segtitle>Installed Directories</segtitle>
191
192 <seglistitem>
193 <seg>
194 blkdeactivate, dmeventd (optional), dmsetup, fsadm, lvm, lvmconf,
195 lvmdump, and vgimportclone. There are also numerous symbolic links to
196 lvm that implement specific functionalities
197 </seg>
198 <seg>
199 libdevmapper.so, liblvm2app.so and liblvm2cmd.so; optional:
200 libdevmapper-event.so, libdevmapper-event-lvm2.so,
201 libdevmapper-event-lvm2mirror.so, libdevmapper-event-lvm2snapshot.so,
202 libdevmapper-event-lvm2raid.so, and libdevmapper-event-lvm2thin.so
203 </seg>
204 <seg>
205 /etc/lvm and
206 /lib/device-mapper (optional)
207 </seg>
208 </seglistitem>
209 </segmentedlist>
210
211 <variablelist>
212 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
213 <?dbfo list-presentation="list"?>
214
215 <?dbhtml list-presentation="table"?>
216
217 <varlistentry id="blkdeactivate">
218 <term><command>blkdeactivate</command></term>
219 <listitem>
220 <para>
221 utility to deactivate block device.
222 </para>
223 <indexterm zone="lvm2 blkdeactivate">
224 <primary sortas="b-blkdeactivate">blkdeactivate</primary>
225 </indexterm>
226 </listitem>
227 </varlistentry>
228
229 <varlistentry id="dmeventd">
230 <term><command>dmeventd</command></term>
231 <listitem>
232 <para>
233 (optional) is the Device Mapper event daemon.
234 </para>
235 <indexterm zone="lvm2 dmeventd">
236 <primary sortas="b-dmeventd">dmeventd</primary>
237 </indexterm>
238 </listitem>
239 </varlistentry>
240
241 <varlistentry id="dmsetup">
242 <term><command>dmsetup</command></term>
243 <listitem>
244 <para>
245 is a low level logical volume management tool.
246 </para>
247 <indexterm zone="lvm2 dmsetup">
248 <primary sortas="b-dmsetup">dmsetup</primary>
249 </indexterm>
250 </listitem>
251 </varlistentry>
252
253 <varlistentry id="fsadm">
254 <term><command>fsadm</command></term>
255 <listitem>
256 <para>
257 is an utility used to resize or check filesystem on a device.
258 </para>
259 <indexterm zone="lvm2 fsadm">
260 <primary sortas="b-fsadm">fsadm</primary>
261 </indexterm>
262 </listitem>
263 </varlistentry>
264
265 <varlistentry id="lvm">
266 <term><command>lvm</command></term>
267 <listitem>
268 <para>
269 provides the command-line tools for <application>LVM2</application>.
270 Commands are implemented via sympolic links to this program to
271 manage physical devices (pv*), volume groups (vg*) and logical
272 volumes (lv*).
273 </para>
274 <indexterm zone="lvm2 lvm">
275 <primary sortas="b-lvm">lvm</primary>
276 </indexterm>
277 </listitem>
278 </varlistentry>
279
280 <varlistentry id="lvmconf">
281 <term><command>lvmconf</command></term>
282 <listitem>
283 <para>
284 is a script that modifies the locking configuration in
285 the <application>LVM2</application> configuration file.
286 </para>
287 <indexterm zone="lvm2 lvmconf">
288 <primary sortas="b-lvmconf">lvmconf</primary>
289 </indexterm>
290 </listitem>
291 </varlistentry>
292
293 <varlistentry id="lvmdump">
294 <term><command>lvmdump</command></term>
295 <listitem>
296 <para>
297 is a tool used to dump various information concerning
298 <application>LVM2</application>.
299 </para>
300 <indexterm zone="lvm2 lvmdump">
301 <primary sortas="b-lvmdump">lvmdump</primary>
302 </indexterm>
303 </listitem>
304 </varlistentry>
305
306 <varlistentry id="vgimportclone">
307 <term><command>vgimportclone</command></term>
308 <listitem>
309 <para>
310 is used to import a duplicated VG (e.g. hardware snapshot).
311 </para>
312 <indexterm zone="lvm2 vgimportclone">
313 <primary sortas="b-vgimportclone">vgimportclone</primary>
314 </indexterm>
315 </listitem>
316 </varlistentry>
317
318 <varlistentry id="libdevmapper">
319 <term><filename class='libraryfile'>libdevmapper.so</filename></term>
320 <listitem>
321 <para>
322 contains the <application>Device Mapper</application> API
323 functions.
324 </para>
325 <indexterm zone="lvm2 libdevmapper">
326 <primary sortas="c-libdevmapper">libdevmapper.so</primary>
327 </indexterm>
328 </listitem>
329 </varlistentry>
330
331 </variablelist>
332
333 </sect2>
334
335</sect1>
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