Is Virtualisation Right for Colo?


 
Thread Tools Search this Thread
Special Forums UNIX and Linux Applications Is Virtualisation Right for Colo?
# 1  
Old 05-06-2008
Is Virtualisation Right for Colo?

Hi guys

I'm going to be moving a linux box into collocation to support the growing demands of my sites and have been trying to figure out if Xen is right for me. I'd appreciate hearing some real-world experience with the overhead involved and the optimal ways to slice up a box. Right now I feel I should either do an all-in-one setup with a hardened installation, use Xen to virtualise services I would normally run on other machines (such as DNS and SQL) and/or use Xen to rent out VPSes.

My main concern is that I don't have unlimited resources on this box, it's a dual p4-style 3.06GHz xeon with HT and 4 gigs of old ddr. So far I am going to need to accommodate the following:
- about 100,000 script-generated page views a day, with room for spikes, floods and other attacks
- dns services for about 30 domains, only three well traveled
- sql
- mail

Is Xen practical for my situation? I'm intrigued by the ability to replace and migrate virtual servers in a snap but not sure if the performance cost makes it more effective than a traditional solution. Any input is appreciated!
# 2  
Old 06-11-2008
You could in theory use Xen or also look at VMware Server and see if that is for you. Xen will likely give you less overhead, but possibly worse performance of guests depending on the type of work as well as if you are able to use the paravirtualization drivers.

VMware server is free now. You may also want to look at Qemu, but VMware will likely solve your problem for you. Figure on losing about <9% of your overall horsepower for the flexibility.
Login or Register to Ask a Question

Previous Thread | Next Thread

4 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Server with OpenVZ virtualisation is not responding but VMs are OK

Server is accessible only via IPMI. SSH and web control panel is timeout. Takes several hours. Server dont have high load or suspicious processes. I checked /etc/hosts.deny and restarted ssh, but nothing :( (0 Replies)
Discussion started by: postcd
0 Replies

2. Solaris

problem with virtualisation

Hi, I am using compaq t5207tu model with 60gb harddisk and 2.5gb RAM.Its dual boot-Windows XP and Solaris. I tried installing SUN xVM on solaris to make client -server architecture (32 bit processor and 32 bit OS ) -guest OS (solaris 10)on host OS(Solaris 10). But whenever i try to install... (14 Replies)
Discussion started by: shruti_gupta
14 Replies

3. Solaris

virtualisation in solaris

Is there any other virtualisation made in solaris 10 other than zones and LDOMS? :confused: (3 Replies)
Discussion started by: priky
3 Replies

4. UNIX and Linux Applications

Virtualisation of linux/solaris

Hello, I need to build a server with both solaris and linux guest VM using full virt on x64. The guest os are solaris 10 (not opensolaris) and linux RedHat (Centos) and Suse. I really cant make run a solaris 10 domU on Linux (hang after grub loader ..... ) Dom0 neither on opensolaris 11 xvm... (0 Replies)
Discussion started by: manifesto
0 Replies
Login or Register to Ask a Question

Featured Tech Videos