Dear Philip
While we're not a hosting provider, we still do have a lot of experience
with virtualization platforms. We are currently running ~150 vSphere and
Citrix XenServer servers and we've played around with Xen, KVM and others.
Two things I would like to give as advice:
- Storge is often underestimated. With virtualization you'll need a lot
more storage throughput and access speed than with physical machines.
NFS/NAS/iSCSI arenot a good ideas and are not a replacement for a real SAN.
- Networking and network separation is an important factor in virtual
environments. You might keep an eye on that aspect as well.
Kind regards,
Viktor
On 04.05.2011 11:03, Philip Iezzi wrote:
Hi
As a small web hosting provider we are planning to switch from physical-only
servers to virtualization. So far, our favorite virtualization platform is
OpenVZ under Debian Squeeze. We might consider running Proxmox as host system
but prefer sticking with plain Debian (even though the future of the
OpenVZ-kernel is not guaranteed). Our main goals: hardware independency,
reliability, maintenance (single kernel virtualization), power efficiency
(reduce number of physical servers), cost.
We're looking for a Swiss hosting provider who is actively using such a single
kernel virtualization technology. What's your experience with OpenVZ? How about
resource separation of containers (VPS)? Have you got any experience running
complete containers off a NFS-mounted NAS/SAN? How about performance in a web
hosting environment with resource peaks on various servers?
We would greatly appreciate if anybody could share his experience with OpenVZ
(or similar single-kernel virtualization) and get in touch with us for some
consulting.
Thanks.
Regards, Philip
--
DATENPARK
Badenerstrasse 69, Postfach
CH-8026 Zürich
Tel +41 44 299 33 66
Fax +41 44 299 33 91
[email protected] www.datenpark.ch
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