enhance descriptions of LVM configuration options

[pve-docs.git] / pve-installation.adoc

diff --git a/pve-installation.adoc b/pve-installation.adoc
index 27f2d721e67f05d8a94bcaca311b56d79f4c09d5..7414359a91045276a338066d86ca077f461e5034 100644 (file)
--- a/pve-installation.adoc
+++ b/pve-installation.adoc
@@ -1,28 +1,23 @@
 Installing Proxmox VE
 =====================
 Installing Proxmox VE
 =====================

-include::attributes.txt[]
-
-{pve} ships as a set of Debian packages, so you can simply install it
-on top of a normal Debian installation, or download the installation
-CD-ROM and use that to install {pve} on your hardware.
-
-Installing on top of an existing Debian installation looks easy, but
-it presumes that you have correctly installed the base system, and you
-know how you want to configure and use the local storage. Network
-configuration is also completely up to you.
+ifndef::manvolnum[]
+:pve-toplevel:
+endif::manvolnum[]
+ifdef::wiki[]
+:title: Installation
+endif::wiki[]

 
 

-In general, this is not trivial, especially when you use LVM or
-ZFS. This is why we provide an installation CD-ROM for {pve}. That
-installer just ask you a few questions, then partitions the local
-disk(s), installs all required packages and configures the system
+{pve} is based on Debian and comes with an installation CD-ROM 
+which includes a complete Debian ("jessie" for Proxmox VE 4.x) system as 
+well as all necessary Proxmox VE packages. The
+installer just asks you a few questions, then partitions the local
+disk(s), installs all required packages, and configures the system

 including a basic network setup. You can get a fully functional system
 including a basic network setup. You can get a fully functional system

-within a few minutes, including the following:
+within a few minutes. This is the preferred and recommended installation method.

 
 

-* Complete operating system (Debian Linux, 64-bit)
-* Partition the hard drive with ext4 (alternative ext3 or xfs) or ZFS
-* {pve} Kernel with LXC and KVM support
-* Complete toolset
-* Web based management interface
+Alternatively, Proxmox VE can be installed on top of an existing Debian system. 
+This option is only recommended for advanced users since detail knowledge about 
+Proxmox VE is necessary.

 
 ifndef::wiki[]
 
 
 ifndef::wiki[]
 


@@ -34,7 +29,20 @@ endif::wiki[]
 Using the {pve} Installation CD-ROM
 -----------------------------------
 
 Using the {pve} Installation CD-ROM
 -----------------------------------
 

-This is the preferred and recommended installation method.
+Includes the following:
+
+* Complete operating system (Debian Linux, 64-bit)
+
+* Partitioning of the hard drive(s) containing the operating system
+  with ext4, ext3, xfs or ZFS
+
+* {pve} kernel with LXC and KVM support
+
+* Complete toolset for administering virtual machines, containers and
+  all necessary resources
+
+* Web based management interface for using the toolset
+

 
 NOTE: By default, the complete server is used and all existing data is
 removed.
 
 NOTE: By default, the complete server is used and all existing data is
 removed.


@@ -94,8 +102,7 @@ then reboot the server.
 
 Further configuration is done via the Proxmox web interface. Just
 point your browser to the IP address given during installation
 
 Further configuration is done via the Proxmox web interface. Just
 point your browser to the IP address given during installation

-(https://youripaddress:8006). {pve} is tested for IE9, Firefox 10
-and higher, and Google Chrome.
+(https://youripaddress:8006).

 
 NOTE: Default login is "root" (realm 'PAM') and the root password is
 defined during the installation process.
 
 NOTE: Default login is "root" (realm 'PAM') and the root password is
 defined during the installation process.


@@ -117,22 +124,29 @@ and VG on the same hard disk that can be used for LVM storage).
 
 `swapsize`::
 
 
 `swapsize`::
 

-To define the size of the `swap` volume. Default is the same size as
-installed RAM, with 4GB minimum and `hdsize/8` as maximum.
+Defines the size of the `swap` volume. The default is the size of the
+installed memory, minimum 4 GB and maximum 8 GB. The resulting value cannot
+be greater than `hdsize/8`.

 
 `maxroot`::
 
 
 `maxroot`::
 

-The `root` volume size. The `root` volume stores the whole operation
-system.
+Defines the maximum size of the `root` volume, which stores the operation
+system. The maximum limit of the `root` volume size is `hdsize/4`.

 
 `maxvz`::
 
 
 `maxvz`::
 

-Define the size of the `data` volume.
+Defines the maximum size of the `data` volume. The actual size of the `data`
+volume is:
++
+`datasize = hdsize - rootsize - swapsize - minfree`
++
+Where `datasize` cannot be bigger than `maxvz`.

 
 `minfree`::
 
 
 `minfree`::
 

-To define the amount of free space left in LVM volume group `pve`.
-16GB is the default if storage available > 128GB, `hdsize/8` otherwise.
+Defines the amount of free space left in LVM volume group `pve`.
+With more than 128GB storage available the default is 16GB, else `hdsize/8`
+will be used.

 +
 NOTE: LVM requires free space in the VG for snapshot creation (not
 required for lvmthin snapshots).
 +
 NOTE: LVM requires free space in the VG for snapshot creation (not
 required for lvmthin snapshots).


@@ -167,7 +181,7 @@ ifndef::wiki[]
 Install {pve} on Debian
 -----------------------
 
 Install {pve} on Debian
 -----------------------
 

-{pve} ships as a set of Debian packages, so you can simply install it
+{pve} ships as a set of Debian packages, so you can install it

 on top of a normal Debian installation. After configuring the
 repositories, you need to run:
 
 on top of a normal Debian installation. After configuring the
 repositories, you need to run:
 


@@ -177,6 +191,14 @@ apt-get update
 apt-get install proxmox-ve
 ----
 
 apt-get install proxmox-ve
 ----
 

+Installing on top of an existing Debian installation looks easy, but
+it presumes that you have correctly installed the base system, and you
+know how you want to configure and use the local storage. Network
+configuration is also completely up to you.
+
+In general, this is not trivial, especially when you use LVM or
+ZFS.
+

 You can find a detailed step by step howto on the
 {webwiki-url}Install_Proxmox_VE_on_Debian_Jessie[wiki].
 
 You can find a detailed step by step howto on the
 {webwiki-url}Install_Proxmox_VE_on_Debian_Jessie[wiki].