sysadmin.adoc: improve install docs

diff --git a/sysadmin.adoc b/sysadmin.adoc
index a543e7e39fabc980be7523cbf977ca322f735d74..9f0d43144d15ece3e93ea20cfdf190edd0788000 100644 (file)
--- a/sysadmin.adoc
+++ b/sysadmin.adoc
@@ -223,22 +223,53 @@ wrong. Please press `CTRL-D` to exit those debug consoles and continue
 installation. This option is mostly for developers and not meant for
 general use.
 
 installation. This option is mostly for developers and not meant for
 general use.
 

+Rescue Boot::
+
+This option allows you to boot an existing installation. It searches
+all attached hard disks, and if it finds an existing installation,
+boots directly into that disk using the existing Linux kernel. This
+can be useful if there are problems with the boot block (grub), or the
+BIOS is unable to read the boot block from the disk.
+

 Test Memory::
 
 Runs 'memtest86+'. This is useful to check if your memory if
 functional and error free.
 
 Test Memory::
 
 Runs 'memtest86+'. This is useful to check if your memory if
 functional and error free.
 

-You normally select *Install Proxmox VE* to start the installation. 
-
+You normally select *Install Proxmox VE* to start the installation.

 After that you get prompted to select the target hard disk(s). The
 `Options` button aside lets you select the target file system, and
 defaults to `ext4`. The installer uses LVM if you select 'ext3',
 'ext4' or 'xfs' as file system, and offers additional option to
 After that you get prompted to select the target hard disk(s). The
 `Options` button aside lets you select the target file system, and
 defaults to `ext4`. The installer uses LVM if you select 'ext3',
 'ext4' or 'xfs' as file system, and offers additional option to

-restrict LVM space.
+restrict LVM space (see <<advanced_lvm_options,below>>)
+
+If you have more than one disk, you can also use ZFS as file system.
+ZFS supports several software RAID levels, so this is specially useful
+if you do not have a hardware RAID controller. The `Options` button
+lets you select the ZFS RAID level, and you can choose disks there.
+
+The next pages just asks for basic configuration options like time
+zone and keyboard layout. You also need to specify your email address
+and select a superuser password.
+
+The last step is the network configuration. Please note that you can
+use either IPv4 or IPv6 here, but not both. If you want to configure a
+dual stack node, you can easily do that after installation.
+
+If you press `Next` now, installation starts to format disks, and
+copies packages to the target. Please wait until that is finished,
+then reboot the server.
+
+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.

 
 
 
 

-.Advanced LVM configuration options
-****
+[[advanced_lvm_options]]
+Advanced LVM configuration options
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+

 The installer creates a Volume Group (VG) called `pve`, and additional
 Logical Volumes (LVs) called `root`, `data` and `swap`. The size of
 those volumes can be controlled with:
 The installer creates a Volume Group (VG) called `pve`, and additional
 Logical Volumes (LVs) called `root`, `data` and `swap`. The size of
 those volumes can be controlled with:


@@ -269,43 +300,21 @@ Define the size of the `data` volume, which is mounted at
 To define the amount of free space left in LVM volume group `pve`.
 16GB is the default if storage available > 128GB, `hdsize/8` otherwise.
 +
 To define the amount of free space left in LVM volume group `pve`.
 16GB is the default if storage available > 128GB, `hdsize/8` otherwise.
 +

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

 
 

-If you have more than one disk, you can also use ZFS as file system.
-ZFS supports several software RAID levels, so this is specially useful
-if you do not have a hardware RAID controller.

 
 

-.ZFS Performance Tips
-****
+ZFS Performance Tips
+^^^^^^^^^^^^^^^^^^^^
+

 ZFS uses a lot of memory, so it is best to add additional 8-16GB RAM
 if you want to use ZFS.
 
 ZFS uses a lot of memory, so it is best to add additional 8-16GB RAM
 if you want to use ZFS.
 

-.Use fast SSD as write cache
-
-ZFS provides the feature to use a fast SSD drive as write cache. The
+ZFS also provides the feature to use a fast SSD drive as write cache. The

 write cache is called the ZFS Intent Log (ZIL). You can add that after
 installation using the following command:
 
  zpool add <pool-name> log </dev/path_to_fast_ssd>
 write cache is called the ZFS Intent Log (ZIL). You can add that after
 installation using the following command:
 
  zpool add <pool-name> log </dev/path_to_fast_ssd>

-****
-
-The next pages just asks for basic configuration options like time
-zone and keyboard layout. You also need to specify your email address
-and select a superuser password.
-
-The last step is the network configuration. Please note that you can
-use either IPv4 or IPv6 here, but not both. If you want to configure a
-dual stack node, you can easily do that after installation.
-
-If you press `Next` now, installation starts to format disks, and
-copies packages to the target. Please wait until that is finished,
-then reboot the server.
-
-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, Google Chrome (latest).

 
 
 Network Configuration
 
 
 Network Configuration