RHEL_9_Foreman_Guide

Knowledge Base

Install

Discovery and Provisioning

libvirt

proxmox

external DNS&DHCP

diskless pxe-boot using zfs

---

diskless pxe-booting using zfs

UNDER CONSTRUCTION!

nice yt-video that explains the zfs tank:

proxmox ZFS tank

add the disk’s that we need for the tank to our wm

create zfs called tank

create datasets for our zfs tank in proxmox shell:

$ zfs create tank/backups
$ zfs create tank/isos
$ zfs create tank/diskstorage

check it out:

$ zfs list
$ zpool list

---

create the zfs storage directories upload a iso (optional) move the wm storage to zfs (optional): create a backup for our wm using our zfs_back storage directory(optional)

nfs

in proxmox shell:

$ apt install nfs-common
$ apt install nfs-kernel-server
$ mkdir -p /mnt/shared_folder_on_nfs
$ chmod -R 777 /tank/diskstorage
$ chown -R nobody:nogroup /tank/diskstorage

create zfs shared folder:

$ zfs create tank/nfs_shared_folder
$ zfs set sharenfs=on tank/nfs_shared_folder

edit the exports file:

$ nano /etc/exports

...
# /srv/nfs4/homes  gss/krb5i(rw,sync,no_subtree_check)
#
/proxmox.local:/tank/nfs_shared_folder *(rw,sync,no_subtree_check)

edit the wm-config:

• this needs to be done in the machine that runs libvirt not inside proxmox

  $ virsh edit <your_proxmox_wm>
  

• add <shareable/> to the disk we added to create the zfs tank

     <disk type='block' device='disk'>
     <driver name='qemu' type='raw' cache='none' io='native' discard='unmap'/>
     <source dev='/dev/sdc'/>
     <target dev='sdc' bus='sata'/>
     <shareable/>
     <address type='drive' controller='0' bus='0' target='0' unit='2'/>
     </disk>
  

• this can also be done in the libvirt gui

on the client side

edit the fstab for pemanent mount:

$ nano /etc/fstab

...
proc /proc proc defaults 0 0

proxmox.local:/tank/diskstorage /mnt/shared_folder_on_nfs nfs auto 0 0

update Grub:

$ sudo apt-get install --reinstall dracut
$ dracut -f

we can mount the zfs tank thats is shared via nfs like this:

$ mount -t nfs 192.168.122.166:/mnt/shared_folder_on_nfs <mountpoint> 

---

Knowledge Base

Install

Discovery and Provisioning

libvirt

proxmox

external DNS&DHCP

diskless pxe-boot using zfs