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Re: [Xen-users] xen guidelines

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: "Antoine Nivard" <anivard@xxxxxxx>
  • Date: Mon, 11 Apr 2005 16:57:26 +0200 (CEST)
  • Delivery-date: Mon, 11 Apr 2005 14:57:47 +0000
  • Importance: Normal
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

> When creating a xen server, does it make sense to run any other process on
> dom0, like dns, firewall, dhcp, apache, etc.? I would assume you would
> want as little as possible for performance.
No, for security reason; you should run only ssh (it's really enough)!

> Is there a guideline for memory? dom0 not less than ??, dom1...domn < ??
It depen of you differents VM and the memory avalaible

> If it helps to answer these question with an example config, here you go.
> Setup Xen server:
> vm1 - web server
I will advice, on reverve-proxy mode for Apache then you can have
different VM with specials packages for a groupware system or an ERP.

> vm2 - database server
256 Mb minimum

> vm3 - samba server
256 Mb minimum

> vm4 - network server - firewall, dns, dhcp
64 Mb enough

> vm5 - desktop
forget it!

> vm6 - windows server - future release
256 Mb minimum

For a server, I advice 1 Gb minimum per CPU.
For Virtualization, 4 Gb per CPU.

good luck,
        Antoine N.

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