Well 210 quid but still sounds steep, but not as steep as 710 quid for
unlimited clustering...
I understand that the chaps must have put some work into this, but most of
it is opensource.. I wonder if they are going to be sending any funds to
the opensource projects that they are using?
chris
-----Original Message-----
From: Paul [mailto:paul (at mark) planetcentral.net]
Sent: 23 April 2007 15:28
To: coba-e (at mark) bluequartz.org
Subject: [coba-e:09672] Re: Upgrade to CentOS5
£300!!! So much for my home hosting then!
Paul
On Mon, 23 Apr 2007 14:39:45 +0100, Michael Stauber wrote
> Hi Patrick,
>
> > First. Good work, Michael.
>
> Thanks.
>
> > [Thoughts...]
> >
> >
> > Some thought on what is 'virtual hosting/domains'
> > I think it is important for BQ as it is based on.
> >
> > Virtual hosting used to be an IP with multiple virtual domains.
> >
> > But this defination has expanded with introducting of
> > Virtual machines (VM).
> >
> > [...]
> > [On CentOS 5 and BQ]
> >
> > With CentOS 5 and BQ, we are getting BQ ready for
> > VM-type virtual hosting model.
>
> Actually Brian and I already started working towards that direction about
half
> a year ago. Some information about it has already been leaked to this
list.
>
> Well, our development has carried fruits and is now ready for general
release.
> It is called "Aventurin{e} - Linux Virtualization Appliance" and is based
on
> OpenVZ (for the virtualization) and a modified RaQ550/BlueQuartz GUI for
easy
> administration. The installer is based on the NuOnce Networks BlueQuartz
ISO
> image.
>
> For more information see http://www.aventurin.net/
>
> > What happen to the existing model?
> > IMHO, no impact as VM-type virtual hosting is an addon.
>
> That's correct. BlueQuartz is still a cornerstone and centerpiece when it
> comes to IP or named based hosting. In Aventurin{e} we included an OS
> template for CentOS + BlueQuartz, so people can directly create one or
more
> virtual private servers using CentOS + BlueQuartz.
>
> We had to make a couple of modifications to BlueQuartz to allow it to run
well
> inside the virtual environment, but these were just minor changes which
soon
> can be ported back into the general codebase.
>
> Virtualization is a great tool. It can really help to utilize your new or
> existing hardware to the maximum. Like that new IBM slogan from their
latest
> commercial: "Find new uses for things you already own".
>
> In our case the virtualization also helped to overcome two major
shortcommings
> of BlueQuartz:
>
> - Backup / restores with CMU = Not a desaster recovery, but a desaster all
by
> itself!
>
> - Inability to cluster BlueQuartz
>
> One thing shouldn't be forgotten, though: Virtualization also means you
may
> end up putting many eggs into one basket. It's just a natural habbit. Why
buy
> another server, if you can create just another virtual one?
>
> Sometime down the road you may then eventually end up with one fully
utilized
> box whose wellbeing suddenly becomes of the utmost importance to you. Any
> minor hickup might then cause quite a ruckus with a lot of users or
> customers. To some degree this can be compensated with clustering, of
course.
>
> Next issue is hardware: If you have 20-50 virtual servers using the same
> network interface, the same cable to the switch, the same port on the
switch,
> then this might create bottlenecks that you didn't have before.
>
> Suddenly the throughput of the network interface may only be 5Mbit per
sconds
> per virtual server, as you forgot that that odd switch you're using is
only a
> 100Mbit device. Likewise, the harddisk(s) may have to work 10 times harder
to
> cope with all the data that is moved back and forth due to the many
virtual
> servers running.
>
> All in all I'd say there is still need for dedicated servers with CentOS +
> BlueQuartz on it. In some cases you're better off running dedicated, in
some
> cases virtualization is the best approach. It all depends on the expected
> usage and whatever offers you the best net gain.
>
> --
> With best regards,
>
> Michael Stauber
> http://www.solarspeed.net
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