FreeBSD Guest Notes: Difference between revisions

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[[Category:HOWTO]]
[[Category:HOWTO]]
Tweaks and tips for better performance with FreeBSD on KVM.
Setting up a FreeBSD Guest on PVE.
==Enable Virto==
:'''Note:''' This has been tested with FreeBSD 10.3 RELEASE (and patch levels). Some steps have been removed as they have been deprecated in newer FreeBSD versions.
* Install virtio-kmod:
 
<pre>
==Create VM==
cd /usr/ports/emulators/virtio-kmod && make clean install
* Download the FreeBSD 10.3-RELEASE-amd64 DVD ISO (from [http://www.freebsd.org/where.html here]) and transfer it to your VM server.
</pre>
* Create a new VM:
* When prompted on each required package, accept defaults and OK.
** CPU: dual-socket and/or dual-core
* Copy the virtio modules into <code>/boot/kernel</code> directory:
** RAM: 2GB (minimum)
<pre>
** Network: Virtio
cp -Rp /usr/local/modules/* /boot/kernel/
** Disk: 32GB (or higher), virtio, qcow2
kldxref /boot/kernel
** Add FreeBSD 10.3-RELEASE-amd64 DVD ISO as an optical drive.
</pre>
 
* Add the following to <code>/boot/loader.conf</code>:
==Install FreeBSD==
<pre>
* Power on the VM.
virtio_load="YES"
* It should boot to the FreeBSD 10.3-RELEASE-amd64 DVD ISO.
virtio_pci_load="YES"
* System Components: Disable optional (games, etc).
virtio_blk_load="YES"
* Disks: Auto (ZFS) Guided Root-on-ZFS, stripe virtual device, choose vtbd0 VirtIO Block Device.
if_vtnet_load="YES"
* Network: Choose vtnet0 VirtIO Networking Adapter. Use ipv4 only (unless you also use ipv6).
virtio_balloon_load="YES"
* Services: Add ntpd.
</pre>
* This should leave you with FreeBSD 10.3-RELEASE installed on the primary drive.
* Enable virtio for disk by changing your <code>/etc/fstab</code> entries to use the '''vtbd''' prefix. Example:
* Shut down the VM after installation.
<pre>
* Remove the ISO from the VM's optical drive (set to empty).
# Device        Mountpoint      FStype  Options Dump    Pass#
* Verify the VM's boot order is set to the primary hard disk first.
/dev/vtbd0p2    /              ufs    rw      1      1
 
/dev/vtbd0p3    none            swap    sw      0      0
==First Boot==
</pre>
* Power on the VM and log in.
* Enable virtio for network by changing the <code>ifconfig_em0="DHCP"</code> line in <code>/etc/rc.conf</code> to:
* Set the time:
<pre>
ifconfig_vtnet0="DHCP"
</pre>
* Shutdown the VM
<pre>
<pre>
shutdown -p now
ntpdate -s pool.ntp.org
</pre>
</pre>
* Change network and disk drivers to virtio.
* Update the system:
* Power on the VM.
* Verify that virtio is loading:
<pre>
<pre>
kldstat
freebsd-update fetch
 
freebsd-update install
Id Refs Address            Size    Name
1  12 0xffffffff80200000 11cdab0  kernel
2    5 0xffffffff813ce000 4ca0    virtio.ko
3    1 0xffffffff813d3000 5880    virtio_pci.ko
4    1 0xffffffff813d9000 5010    virtio_blk.ko
5    1 0xffffffff813df000 aeb0    if_vtnet.ko
6    1 0xffffffff813ea000 3210    virtio_balloon.ko
</pre>
</pre>
==External Links==
* Reboot
* [http://viktorpetersson.com/2012/01/16/how-to-upgrade-freebsd-8-2-to-freebsd-9-0-with-virtio/ How to upgrade FreeBSD 8.2 to FreeBSD 9.0 with Virtio] - contains useful information on setting up virtio on freebsd 9.
* [http://www.freshports.org/emulators/virtio-kmod FreshPorts virtio-kmod] page.

Revision as of 19:43, 27 April 2016

Setting up a FreeBSD Guest on PVE.

Note: This has been tested with FreeBSD 10.3 RELEASE (and patch levels). Some steps have been removed as they have been deprecated in newer FreeBSD versions.

Create VM

  • Download the FreeBSD 10.3-RELEASE-amd64 DVD ISO (from here) and transfer it to your VM server.
  • Create a new VM:
    • CPU: dual-socket and/or dual-core
    • RAM: 2GB (minimum)
    • Network: Virtio
    • Disk: 32GB (or higher), virtio, qcow2
    • Add FreeBSD 10.3-RELEASE-amd64 DVD ISO as an optical drive.

Install FreeBSD

  • Power on the VM.
  • It should boot to the FreeBSD 10.3-RELEASE-amd64 DVD ISO.
  • System Components: Disable optional (games, etc).
  • Disks: Auto (ZFS) Guided Root-on-ZFS, stripe virtual device, choose vtbd0 VirtIO Block Device.
  • Network: Choose vtnet0 VirtIO Networking Adapter. Use ipv4 only (unless you also use ipv6).
  • Services: Add ntpd.
  • This should leave you with FreeBSD 10.3-RELEASE installed on the primary drive.
  • Shut down the VM after installation.
  • Remove the ISO from the VM's optical drive (set to empty).
  • Verify the VM's boot order is set to the primary hard disk first.

First Boot

  • Power on the VM and log in.
  • Set the time:
ntpdate -s pool.ntp.org
  • Update the system:
freebsd-update fetch
freebsd-update install
  • Reboot
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