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Help with Xen and HG?


sypher
23-02-2009, 11:31
Both on the main host ...well, yeah, on xen in dom0 ...

I guess that explains why. But still ... 500 points ... mmh .. seemed low compared to other systems that got 800-900 up and are cheaper than 400 ... >_>

Nevermind, its just a bench and as that it can be wrong. i'll keep testing with other stuff, as of now, im good with proxmox and i'll go with it.

thanks!

kro
19-02-2009, 16:32
sypher wrote:
> i tested both box with unixbench ... on xen i got a result of 250, and
> on proxmox i got a result of 500 ...


When you say you tested the boxes - did you test on the host, or on a guest? If
the latter, did you use Paravirtualisation or HVM (xen), respective OpenVZ or
Linux KVM (Proxmox)?

Bear in mind that the Dom0 on xen already *is* a virtual environment ("linux
runs inside xen"), while the host System on Linux KVM is more of a host system
in the proper sense ("KVM runs inside linux")
--
Felix
OVH Team

sypher
19-02-2009, 11:12
concise and correct explaination; thanks a lot!

im currently trying proxmox ... and i find it much easier to use and much faster.
i tested both box with unixbench ... on xen i got a result of 250, and on proxmox i got a result of 500 ...

talking about which ... arent those results pretty strange? ... my 30 kimsufi box has better result (280) than then 400 box hg 2009 (250) on xen! ...

kro
19-02-2009, 10:42
sypher wrote:
> i'd like to know if anybody could give me a correct config for having 2
> or more ips in a virtual machine, (hg 2009 plan) ...


You can simply add routes for these IPs to the virtual interface ("vifXY") on
the host:

/sbin/ip route add $IPFAILOVER dev vifXY

where XY has to match the DomU's vif - check with ifconfig how it's named
exactly.

Of course you also have to configure these IPs inside the guests' OS.

Another possibility would be to add severals "vif" lines to the DomU's config
file, and obtaining one network interface per IP inside the guest - but I think
for your objectives this solution would be a little bit overblown.
--
Felix
OVH Team

sypher
19-02-2009, 09:05
Well, right now i have the base hg setup, 8 failover ip, 2 ips on the interfaces and the ripes.

I have no problem configuring routed network to the interfaces, as long as its only 1 ip. I dont know how to add more to the domU ... i'd like one domU to take 5 or 6 ips, so that i can have them in different domains.


U're saying that it crashes .. is that so bad? i mean, i need a production environment, would i be better off with proxmox? vmware server i've read that its very slow and crashing a lot ...

derchris
18-02-2009, 20:01
Could you please a little bit more specific.
I had run Xen with several DomU without problems, apart from the Dom0 crashing caused by Xen and the Xen kernel -.-

sypher
18-02-2009, 18:08
Hi guys,

i'd like to know if anybody could give me a correct config for having 2 or more ips in a virtual machine, (hg 2009 plan) ...

As of now, i can only make it work with a single ip!

in the french guide i found infoes, but not about this, also, french aint really my language

any help ?