Virtualbox Installation

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wtfbrb

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I am trying to move my server from bare metal to a virtualbox. Both of them are on the same server and both of them will have CentOS 5.5 64 Bit. I have a couple questions.

1. Should I install virtualbox guest additions before/after directadmin or not at all?
2. I plan on removing all traces of DA from the bare metal box is that going to be an easy task?
3. Are there any "Machine" settings I should be aware of to make DA run better or if I set it up for a CentOS 64 bit machine is that all that matters?
 
wtfbrb said:
I am trying to move my server from bare metal to a virtualbox. Both of them are on the same server and both of them will have CentOS 5.5 64 Bit. I have a couple questions.

1. Should I install virtualbox guest additions before/after directadmin or not at all?
2. I plan on removing all traces of DA from the bare metal box is that going to be an easy task?
3. Are there any "Machine" settings I should be aware of to make DA run better or if I set it up for a CentOS 64 bit machine is that all that matters?
Click to expand...

Why why why VirtualBox? Barf.

Use Xen or something man.
 
Really?

On my windows machine virtualbox has been much faster than vmware and I know all the headless commands so learning curve = 0, is it really that bad on CentOS? I read a few threads about how xen doesn't work well when 4+ virtual machines running. And I don't have to change the kernel and reboot on bare metal machine with Virtualbox, so it is the only one I know that I can install and move sites with little to no downtime...

I am open to suggestion though and after the move I can export the completed vm as an appliance (ovf), so maybe I just need to get everything there, export it, then install xen kernel, reboot and import appliance?
 
wtfbrb said:
On my windows machine virtualbox has been much faster than vmware and I know all the headless commands so learning curve = 0, is it really that bad on CentOS? I read a few threads about how xen doesn't work well when 4+ virtual machines running. And I don't have to change the kernel and reboot on bare metal machine with Virtualbox, so it is the only one I know that I can install and move sites with little to no downtime...

I am open to suggestion though and after the move I can export the completed vm as an appliance (ovf), so maybe I just need to get everything there, export it, then install xen kernel, reboot and import appliance?
Click to expand...

I run Xen on Linux machine with 20+ VPS and its stable as a rock. Who ever told you it buckles after 4 is a numbskull or their server can't handle it.
 
Sounds good

I actually read that in a forum with someone with a similar setup to mine (quad core xeon 5500 and 12 gb of ram), but that still requires too much downtime, so I think I am going to try to build single directadmin vm then export it host it somewhere else then format and install xen on bare metal. I wanted to use xen and I have read their manual so I am fairly comfortable with the process...but I still think I have to install on virtualbox first...
 
wtfbrb said:
I actually read that in a forum with someone with a similar setup to mine (quad core xeon 5500 and 12 gb of ram), but that still requires too much downtime, so I think I am going to try to build single directadmin vm then export it host it somewhere else then format and install xen on bare metal. I wanted to use xen and I have read their manual so I am fairly comfortable with the process...but I still think I have to install on virtualbox first...
Click to expand...
If network is fast and VT support is enabled, I can have a fresh OS install running Xen and having a fully installed HVM guest in less then 30 minutes.

EDIT: Xen will eat a single disk for breakfast. RAID1 at minimum, RAID10 best.
 
I moved my response (a question about installing Xen) and replies to a new thread on installing Xen, here.

Jeff
 
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