From 0578bfcc390629f5e2d45e47d52a91f4d0bbe077 Mon Sep 17 00:00:00 2001 From: Dietmar Maurer Date: Sun, 17 Jan 2016 10:53:35 +0100 Subject: [PATCH] sysadmin.adoc: improve install docs --- sysadmin.adoc | 75 ++++++++++++++++++++++++++++----------------------- 1 file changed, 42 insertions(+), 33 deletions(-) diff --git a/sysadmin.adoc b/sysadmin.adoc index a543e7e..9f0d431 100644 --- 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. +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. -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 -restrict LVM space. +restrict LVM space (see <>) + +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: @@ -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. + -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. -.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 log -**** - -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 -- 2.39.2