commit b30eafc6edd5d9272ba143e2dcb1f571e7610122
Author: Petr Bokoc <pbokoc(a)redhat.com>
Date: Mon Nov 17 20:07:13 2014 +0100
Small adjustments in LVM configuration in Manual Partitioning
en-US/CustomSpoke_AddLVM.xml | 27 ++++++++++++++++++++-------
1 files changed, 20 insertions(+), 7 deletions(-)
---
diff --git a/en-US/CustomSpoke_AddLVM.xml b/en-US/CustomSpoke_AddLVM.xml
index cb85428..cc73db8 100644
--- a/en-US/CustomSpoke_AddLVM.xml
+++ b/en-US/CustomSpoke_AddLVM.xml
@@ -6,16 +6,16 @@
<section id="sect-installation-gui-manual-partitioning-lvm">
<title>Creating a Logical Volume Managament (LVM) Layout</title>
<para>
- <firstterm>Logical Volume Management</firstterm> (LVM) presents a
simple logical view of underlying physical storage space, such as hard drives or LUNs.
Partitions on physical storage are represented as <firstterm>physical
volumes</firstterm> that can be grouped together into <firstterm>volume
groups</firstterm>. Each volume group can be divided into multiple
<firstterm>logical volumes</firstterm>, each of which is analogous to a
standard disk partition. Therefore, LVM logical volumes function as partitions that can
span multiple physical disks.
+ <firstterm>Logical Volume Management</firstterm> (LVM) presents a
simple logical view of underlying physical storage space, such as hard drives or LUNs.
Partitions on physical storage are represented as <firstterm>physical
volumes</firstterm> that can be grouped together into <firstterm>volume
groups</firstterm>. Each volume group can be divided into multiple
<firstterm>logical volumes</firstterm>, each of which is analogous to a
standard disk partition. Therefore, LVM logical volumes function as partitions which can
span multiple physical disks.
</para>
<para>
<remark>TODO: xref to the LVM appendix</remark>
</para>
- <important>
+ <warning>
<para>
- During text-mode installation, manual LVM configuration is not available. You
can switch to a shell as described in <xref
linkend="sect-consoles-logs-during-installation" /> and use the
<command>pvcreate</command>, <command>vgcreate</command> and
<command>lvcreate</command> commands, or you can use a Kickstart file. See
<xref linkend="chap-kickstart-installations" /> for information about
Kickstart installations.
+ Some partition types - notably the <filename
class="directory">/boot</filename> directory and the BIOS Boot and EFI
partitions - can not be placed on logical volumes. Use standard physical volumes for them.
See <xref linkend="sect-installation-gui-manual-partitioning-recommended"
/> for more information.
</para>
- </important>
+ </warning>
<para>
<remark>TODO: screen</remark>
</para>
@@ -36,7 +36,7 @@
</step>
<step>
<para>
- The mount point has now been created using the default settings, which
means it has been created as a logical volume, and a volume group has been created to
contain it. Click the newly created mount point in the left pane to configure it further.
+ The mount point has now been created using the default settings, which
means it has been created as an LVM logical volume, and a volume group has been created to
contain it. Select the newly created mount point in the left pane to configure it further.
If you want to use thin provisioning for this volume, change the <guilabel>Device
Type</guilabel> option to <guilabel>LVM Thin Provisioning</guilabel>.
</para>
</step>
<step>
@@ -48,6 +48,11 @@
<para>
In the <guilabel>Configure Volume Group</guilabel> dialog,
you can change the volume group's name, its <guilabel>RAID
level</guilabel> (see <xref
linkend="sect-installation-gui-manual-partitioning-swraid" /> for details
about software RAID), and you can also specify which physical devices (disks) this volume
group should reside on. You can select one or more disks which will be used to hold this
volume group by holding down <keycap>Ctrl</keycap> and clicking each disk in
the list.
</para>
+ <note>
+ <para>
+ If you select a redundant RAID type (such as <guilabel>RAID1
(Redundancy)</guilabel>), the volume group will take up twice its actual size on
your disks. A 5 GB volume group with RAID1 will take up 10 GB of space.
+ </para>
+ </note>
<para>
You can also make sure that the volume group is encrypted by selecting
the <guilabel>Encrypt</guilabel> option; this will enable LUKS encryption for
the entire volume group. See the <citetitle>&PRODUCT; Security
Guide</citetitle>, available at the <ulink
url="http://docs.fedoraproject.org/">&PRODUCT; Documentation
website</ulink>, for information about LUKS disk encryption.
</para>
@@ -57,10 +62,15 @@
<para>
After you finish configuring the volume group settings, click
<guilabel>Save</guilabel> to return to the main <guilabel>Manual
Partitioning</guilabel> screen.
</para>
+ <note>
+ <para>
+ The configuration dialog does not allow you to specify the size of
the volume group's <firstterm>physical extents</firstterm>. The size will
always be set to the default value of 4 MiB. If you want to create a volume group with
different physical extents, create it manually by switching to an interactive shell and
using the <command>vgcreate</command> command, or use a Kickstart file with
the <command>volgroup
--pesize=<replaceable>size</replaceable></command> command.
+ </para>
+ </note>
</step>
<step>
<para>
- If you need to create more than one volume group, open the
<guilabel>Volume Group</guilabel> drop-down menu, and select the
<guilabel>Create a new volume group</guilabel> option. A new dialog window
will open, identical to the one described in the previous step; again, select a name,
storage devices, encryption settings, RAID level and size policy for the new group, and
click <guilabel>Save</guilabel>. The new volume group will then become
available in the <guilabel>Volume Group</guilabel> drop-down menu; you can
then go through your existing logical volumes and change this setting to assign them to a
different volume group.
+ If you need to create more than one volume group, open the
<guilabel>Volume Group</guilabel> drop-down menu, and select the
<guilabel>Create a new volume group</guilabel> option. A new dialog window
will open, identical to the one described in the previous step; again, select a name,
storage devices, encryption settings, RAID level and size policy for the new group, and
click <guilabel>Save</guilabel>. The new volume group will then become
available in the <guilabel>Volume Group</guilabel> drop-down menu; you can
then go through your existing mount points and change this setting to assign them to a
different volume group.
</para>
</step>
<step>
@@ -70,6 +80,9 @@
</step>
</procedure>
<para>
- Repeat this procedure for any additional logical volumes you want to create. Note
that when creating additional LVM logical volumes, a new volume group is not automatically
created; instead, any additional volumes are assigned to an existing group. For each
volume you create, review its settings and make sure that it is assigned to the correct
group, that it has a reasonable size, and that it has a descriptive name so you can
identify the volume later if you need to.
+ Repeat this procedure for any additional logical volumes you want to create. Note
that when creating additional LVM logical volumes, a new volume group is not automatically
created each time; instead, any additional volumes are assigned to an existing group.
+ </para>
+ <para>
+ For each mount point you create, review its settings and make sure that it is
assigned to the correct group, that it has a sufficient capacity, and that it has a
descriptive name so you can identify the volume later if you need to.
</para>
</section>