Xen users - May 2011 - Xen 4+ vs. Xen 3 (Was Re: active list?)

> On 5/1/2011 11:25 AM, Todd Deshane wrote:
>> http://wiki.xensource.com/xenwiki/Fedora13Xen4Tutorial
On Sun, May 1, 2011 at 4:41 PM, Randy Katz <rkatz@simplicityhosting.com>
wrote:
>
> Hi Todd,
>
Hi Randy,

This is a great question for the list.

Here is some information on Xen 4.1 in case you haven''t seen it yet.
http://wiki.xensource.com/xenwiki/Xen4.1
http://wiki.xensource.com/xenwiki/MigrationGuideToXen4.1%2B
http://wiki.xensource.com/xenwiki/HostConfiguration/Networking

Maybe others can comment on what they are using based on your questions below?
> Life on the list! Amazing, thanks! That link is a very good doc! Perhaps
> I should be using Fedora rather then trying to do it on CentOS. With CentOS
> I can do everything in stock Xen 3, but when I try Xen 4 (using the
gitco.de repository)
> and trying to install the domU (from CentOS 5.5/5.6 repo) I get hangs after
the initial
> (or during) boot, graphic, non-graphic, anything I try. It looks like that
might not be
> the case with Fedora, though they are using 4.0.1 rather then 4.1.
>
> Which brings me to my main set of questions:
>
> Is Xen 4 being used in production at all at this time?
> What features are new in Xen 4 that are being used in production?
> If nothing and everything can be done with Xen 3 then it looks like I
> might try to stick there for a while longer.
>
> What I want to accomplish is this:
>
> 2 test machines running any Linux Distro, DRBD for resilient disk serving
> either iSCSI, OCF or any other method with Xen VM''s (of any
template flavor)
> that are configured in either active/active or active/passive with failover
for
> a common VIP.
>
> So if you have a pointer to the best dom0 distro and domU distro to sort
this
> out on that would be great. I would love to be able to have my dom0 CentOS
as
> that is the base on all my production machines, but I am not stuck there.
>
> Thank you in advance,
> Randy Katz
>
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Yeah, I read 2 of the 3 already. I just manually created the xenbr0
and it doesn''t seem to make a difference with my install of the domU.
Perhaps someone can read this and comment?

Regards,
Randy

On 5/1/2011 6:43 PM, Todd Deshane wrote:
>> On 5/1/2011 11:25 AM, Todd Deshane wrote:
>>> http://wiki.xensource.com/xenwiki/Fedora13Xen4Tutorial
> On Sun, May 1, 2011 at 4:41 PM, Randy
Katz<rkatz@simplicityhosting.com>  wrote:
>> Hi Todd,
>>
> Hi Randy,
>
> This is a great question for the list.
>
> Here is some information on Xen 4.1 in case you haven''t seen it
yet.
> http://wiki.xensource.com/xenwiki/Xen4.1
> http://wiki.xensource.com/xenwiki/MigrationGuideToXen4.1%2B
> http://wiki.xensource.com/xenwiki/HostConfiguration/Networking
>
> Maybe others can comment on what they are using based on your questions
below?
>
>> Life on the list! Amazing, thanks! That link is a very good doc!
Perhaps
>> I should be using Fedora rather then trying to do it on CentOS. With
CentOS
>> I can do everything in stock Xen 3, but when I try Xen 4 (using the
gitco.de repository)
>> and trying to install the domU (from CentOS 5.5/5.6 repo) I get hangs
after the initial
>> (or during) boot, graphic, non-graphic, anything I try. It looks like
that might not be
>> the case with Fedora, though they are using 4.0.1 rather then 4.1.
>>
>> Which brings me to my main set of questions:
>>
>> Is Xen 4 being used in production at all at this time?
>> What features are new in Xen 4 that are being used in production?
>> If nothing and everything can be done with Xen 3 then it looks like I
>> might try to stick there for a while longer.
>>
>> What I want to accomplish is this:
>>
>> 2 test machines running any Linux Distro, DRBD for resilient disk
serving
>> either iSCSI, OCF or any other method with Xen VM''s (of any
template flavor)
>> that are configured in either active/active or active/passive with
failover for
>> a common VIP.
>>
>> So if you have a pointer to the best dom0 distro and domU distro to
sort this
>> out on that would be great. I would love to be able to have my dom0
CentOS as
>> that is the base on all my production machines, but I am not stuck
there.
>>
>> Thank you in advance,
>> Randy Katz
>>

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