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On 19.05.2010 10:29, Erik van Ast wrote:
<blockquote
cite="mid:80A72F1B1CFF80409D8E422437CEDC9A01D24EED@srv03-suzo-03.Suzo.int"
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<div class="Section1">
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">Hi
all,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US">I
have a couple of short questions and I hope someone can answer them for
me. I
have already searched the internet and most of the times there is an
answer,
but the answer is a bit too complicated for me, because I have a
Windows
background and not a Linux one. We are using more and more open source
software
and we are also starting to work with Linux based OS’es like Ubuntu and
OpenSuse so I want to learn more…<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US">My
questions regarding Proxmox :<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent: -18pt;"><!--[if !supportLists]--><span
style="font-size: 10pt; font-family: Symbol;" lang="EN-US"><span
style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US">What’s the difference between the different
disc busses (IDE, SCSI and VIRTIO)? I found multiple articles on this
subject
but not a very clear answer for me. I also saw that you need to use IDE
for Windows
and SCSI for Linux, but when do you use VIRTIO? And I have created a
new
OpenSUSE machine with which SCSI didn’t work but IDE and VIRTIO did…</span></p>
</div>
</blockquote>
Virtio drivers are the paravirtualized drivers for KVM.<br>
Use always virtio for Linux guests, net and block. If you want virtio
for windows, you need drivers which are not freely available in good
quality. redhat has signed drivers for windows, but not freely
available and in some situations you will get not better performance -
so for windows IDE is best, e1000 for net.<br>
<br>
<blockquote
cite="mid:80A72F1B1CFF80409D8E422437CEDC9A01D24EED@srv03-suzo-03.Suzo.int"
type="cite">
<div class="Section1">
<p class="MsoListParagraph" style="text-indent: -18pt;"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent: -18pt;"><!--[if !supportLists]--><span
style="font-size: 10pt; font-family: Symbol;" lang="EN-US"><span
style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US">Is it important to choose a guest type when
you install a new VM?</span></p>
</div>
</blockquote>
<br>
sets the behavior of the mouse (usb tablet or not).<br>
<br>
<blockquote
cite="mid:80A72F1B1CFF80409D8E422437CEDC9A01D24EED@srv03-suzo-03.Suzo.int"
type="cite">
<div class="Section1">
<p class="MsoListParagraph" style="text-indent: -18pt;"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent: -18pt;"><!--[if !supportLists]--><span
style="font-size: 10pt; font-family: Symbol;" lang="EN-US"><span
style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US">When you have a quad core CPU, can you choose
for up to 4 CPU sockets, or can you only choose for 4 CPU sockets when
you have
4 CPU’s?</span></p>
</div>
</blockquote>
<br>
you can set whatever you want but never use more virtual CPU´s as you
have available on the host -if you do this you will have extremly bad
performance and stability problems.<br>
<br>
<blockquote
cite="mid:80A72F1B1CFF80409D8E422437CEDC9A01D24EED@srv03-suzo-03.Suzo.int"
type="cite">
<div class="Section1">
<p class="MsoListParagraph" style="text-indent: -18pt;"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent: -18pt;"><!--[if !supportLists]--><span
style="font-size: 10pt; font-family: Symbol;" lang="EN-US"><span
style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US">Can someone tell me what kind of network card
I have to choose when creating a new KVM machine? What’s the difference
between the options?</span></p>
</div>
</blockquote>
<br>
virtio on linux, e1000 for windows. <br>
<br>
<blockquote
cite="mid:80A72F1B1CFF80409D8E422437CEDC9A01D24EED@srv03-suzo-03.Suzo.int"
type="cite">
<div class="Section1">
<p class="MsoListParagraph" style="text-indent: -18pt;"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent: -18pt;"><!--[if !supportLists]--><span
style="font-size: 10pt; font-family: Symbol;" lang="EN-US"><span
style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US">What’s the difference between KVM and
OpenVZ? I have small experience with VMWare and is it true that KVM Is
similar to
VMWare? I have also tried to create a new VM with OpenVZ with a
downloaded
Appliance Template, but when I tried to install I couldn’t connect to
the
internet and I couldn’t create a new network card…</span></p>
</div>
</blockquote>
Take a look here:<br>
<a href="http://wiki.openvz.org/Main_Page">http://wiki.openvz.org/Main_Page</a><br>
<a class="moz-txt-link-freetext" href="http://en.wikipedia.org/wiki/Comparison_of_platform_virtual_machines">http://en.wikipedia.org/wiki/Comparison_of_platform_virtual_machines</a><br>
<br>
if you have network issues with openvz containers, provide more details.<br>
<br>
<blockquote
cite="mid:80A72F1B1CFF80409D8E422437CEDC9A01D24EED@srv03-suzo-03.Suzo.int"
type="cite">
<div class="Section1">
<p class="MsoListParagraph" style="text-indent: -18pt;"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent: -18pt;"><!--[if !supportLists]--><span
style="font-size: 10pt; font-family: Symbol;" lang="EN-US"><span
style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US">Is it easy and without risk to update the
Kernel? We are using Proxmox 1.5 with kernel version 2.6.18-2-pve and I
read
that a newer version was available. Can it be upgraded without risk of
losing
data and how can we upgrade?</span></p>
</div>
</blockquote>
<br>
live is risky by default, so you should always be prepared as good as
possible (backup your data). but upgrade are quite smooth and
hassle-free, just follow the howto on our wiki.<br>
<br>
<blockquote
cite="mid:80A72F1B1CFF80409D8E422437CEDC9A01D24EED@srv03-suzo-03.Suzo.int"
type="cite">
<div class="Section1">
<p class="MsoListParagraph" style="text-indent: -18pt;"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent: -18pt;"><!--[if !supportLists]--><span
style="font-size: 10pt; font-family: Symbol;" lang="EN-US"><span
style="">·<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">
</span></span></span><!--[endif]--><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US">Is it possible to use 2 Proxmox servers connected
to 1 SAN or NAS so when 1 Proxmox server goes down, the other is able
to take
over the machines residing on the SAN or NAS?</span></p>
</div>
</blockquote>
not yet out of the box, will be available in 2.x<br>
see <a class="moz-txt-link-freetext" href="http://pve.proxmox.com/wiki/Roadmap">http://pve.proxmox.com/wiki/Roadmap</a> (beta earliest mid of year)<br>
<blockquote
cite="mid:80A72F1B1CFF80409D8E422437CEDC9A01D24EED@srv03-suzo-03.Suzo.int"
type="cite">
<div class="Section1">
<p class="MsoListParagraph" style="text-indent: -18pt;"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US">Those
are a lot of questions, but I hope someone can answer them for me so I
am able
to configure Proxmox for us in a better way. If someone can only answer
those
questions by referring to known articles, it’s fine with me…</span></p>
</div>
</blockquote>
maybe this one: <a href="http://lwn.net/Articles/375075/">http://lwn.net/Articles/375075/</a><br>
and all pages on our wiki, of course - <a class="moz-txt-link-freetext" href="http://pve.proxmox.com">http://pve.proxmox.com</a><br>
<br>
br, martin<br>
<blockquote
cite="mid:80A72F1B1CFF80409D8E422437CEDC9A01D24EED@srv03-suzo-03.Suzo.int"
type="cite">
<div class="Section1">
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style=""><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"
lang="EN-US">Kind
regards,<br>
<br>
Erik van Ast<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
</div>
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</blockquote>
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