Paravirtualized FreeBSD 8 Guest on Citrix XenServer 5.5/5.6 Host

[Adrian Chadd]

As I've said before, the FreeBSD-Xen PVM code requires someone with
the time and inclination to pick it up and maintain it. The commercial
focus of FreeBSD/Xen users at the moment seems to be on HVM support
rather than full PVM support.



Adrian

On 21 June 2010 01:07, Tjado Mäcke <tjado.ml.freebsd-xen at maecke.net> wrote:
> I didn't do any tests in general. I used for a while FreeBSD HVM (and
> other os guests...) under xen-3.2.1. There I got problems that VM's
> react very slowly under ZFS/UFS I/O stress (tar of logs, etc...) till I
> need to reboot the guest. It was under FreeBSD 7.2 with ZFS beta but 8.0
> didn't worked with that xen/kernel. The last weeks I tried Xen 4.0.0 but
> tap:aio and tap:tapdisk:aio cause complete host kernel crashes under I/O
> stress (dd if /dev/zero...). With Xen-4.0.1-rc3-pre I haven't these
> problems, FreeBSD 8 is working (so booting works ;) and states/times
> seems a lot more healthier.
>
> Softs: Webserver with a top 5000 (alexa) site (high db access - cached,
> some I/O because of downloads), high threaded game server (for wc3),
> mail server and other webservers/stuff...
>
> Am 20.06.2010 18:00, schrieb Guillaume Seigneuret:
>> Could you tell us what did you do to test the stability ?
>> Softs running on it, who many time and with who many users using it ?
>>
>> Thanks by advance.
>>
>> Cordialement,
>>
>> Guillaume Seigneuret
>>
>>
>>
>> Network and System Security Architect
>> Web : http://www.omegacube.fr
>> Address :
>> Hôtel Technologique - BP 100
>> Technopôle de Château Gombert
>> 13382 Marseille Cedex 13
>>
>>
>> -----Message d'origine-----
>> De : Tjado Mäcke [mailto:tjado.ml.freebsd-xen at maecke.net]
>> Envoyé : dimanche 20 juin 2010 17:57
>> À : Guillaume Seigneuret
>> Cc : 'Pandu Poluan'; freebsd-xen at freebsd.org
>> Objet : Re: Paravirtualized FreeBSD 8 Guest on Citrix XenServer 5.5/5.6 Host
>>
>> I mean stable in a general way not for FreeBSD (didn't tried out it in
>> PV yet).
>>
>> tjado
>>
>> Am 20.06.2010 17:54, schrieb Guillaume Seigneuret:
>>
>>> I did try with Xen 4.0.0.
>>> But more stable doesn't meens "suitable for production use" ...
>>> I think the FreeBSD team has to work on its kernel to make it stable under paravirtualized environment.
>>> It's not really a question of Xen kernel version.
>>>
>>> Cordialement,
>>>
>>> Guillaume Seigneuret
>>>
>>>
>>>
>>> Network and System Security Architect
>>> Web : http://www.omegacube.fr
>>> Address :
>>> Hôtel Technologique - BP 100
>>> Technopôle de Château Gombert
>>> 13382 Marseille Cedex 13
>>>
>>> -----Message d'origine-----
>>> De : Tjado Mäcke [mailto:tjado.ml.freebsd-xen at maecke.net]
>>> Envoyé : dimanche 20 juin 2010 16:28
>>> À : Guillaume Seigneuret
>>> Cc : Pandu Poluan; freebsd-xen at freebsd.org
>>> Objet : Re: Paravirtualized FreeBSD 8 Guest on Citrix XenServer 5.5/5.6 Host
>>>
>>> Hi,
>>>
>>> which version did you use of 4.0? For me, 4.0.1-rc3-pre runs more stable
>>> than 4.0.0.
>>> Do you have some more information about the FreeBSD pv? Maybe i will try
>>> this howto: http://forums.freebsd.org/showthread.php?t=10268
>>>
>>> tjado
>>>
>>> Am 20.06.2010 12:00, schrieb Guillaume Seigneuret:
>>>
>>>
>>>> You're welcome, yes I guess it's safer to keep them in standalone servers
>>>> for the moment.
>>>> For information I did try :
>>>>
>>>> FreeBSD 8 i386 paravirtualized on :
>>>>
>>>>    - Xen 3.4.2 with a 2.6.32 Linux kernel
>>>>    - Xen 4.0 with a 2.6.32.12 Linux kernel
>>>>
>>>> FreeBSD 9 beta i386 paravirtualized on :
>>>>
>>>>    -
>>>>    - Xen 3.4.2 with a 2.6.32 Linux kernel
>>>>    - Xen 4.0 with a 2.6.32.12 Linux kerne
>>>>
>>>>
>>>> Configuration with mono CPU and 512/1024 Mo RAM, Disks on Dom0 LVM
>>>> partitions.
>>>> Plateforms : Dell T610, Dell R200, Dell R210.
>>>>
>>>> Cordialement,
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
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