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Re: [Xen-users] mail server on a xen guest?
| To: | Peter Peltonen <peter.peltonen@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] mail server on a xen guest? |
| From: | Nico Kadel-Garcia <nkadel@xxxxxxxxx> |
| Date: | Mon, 07 Jul 2008 17:36:52 +0100 |
| Cc: | Xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Mon, 07 Jul 2008 09:28:03 -0700 |
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Peter Peltonen wrote: *WHY*??? Qmail has many cool technical features, but it's licensing has been extremely burdensome, as has its packaging. Mr. Bernstein has relented and placed his work in the public domain, but it languished for years for that reason. Debugging it in any environment without your own sophisticated sys-geek to work around Mr. Bernstein's policies is.... awkward.I'm building a new qmail based mail server. I now have a quad-core Why not use Dovecot? It's built into contemporary Fedora and CentOS, which themselves are well integrated with Xen and perform reasonably well in paravirtualization.server with 8 gigabytes of RAM and RAID-5 disk setup. I need to run a virtual web server on that host too, so I'm installing Xen on that host. What I am wondering now is should I install qmail also on a virtual server (domU) or on the master server (dom0)? Has anyone experience about running qmail under xen domU? I could dedicate 1-2 cores for the qmailtoaster domU and lots of RAM, but I'm a bit worried about disk I/O, as I've read that this can be a bottleneck in Xen. I'd like to hear stories like "I've run mail server on a domU with 100 active domains and 10 000 incoming messages a day without problems)" :) And you can use MRTG and tools like it to monitor your disk I/O now, to get some sort of standard to compare against. _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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