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I run a medium sized, virtualized (I need both Windows and Unix for some services) Home-Server with fileshareing, DLNA streaming, backups etc etc. in a pretty heterogenous network (OS wise). As file protocol choose SMB and rsync as backup solution, with the data contained on 4x3 TB RAID 10 or 5 (with a dedicated 3ware controller, so speed shouldn't be an issue).

Questions: Is samba / rsync the best solution? RAID 5 or RAID 10 (Some of the data is really critical!)? Being able to mount the shares as drive and having "snapshot"-backups (like in Apple's "Time Machine") is an absolute must have.

EDIT: With "backup solution" I meant backing up the other PCs in the network.

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These are three questions. Please cut them into pieces and ask away! :) We are happy to help. –  Shiki Nov 1 '12 at 13:43
    
i'll do as you ask :D –  Megge Nov 1 '12 at 13:50
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You should look into Proxmox. It works great with consumer hardware and sounds like it will give you the flexibility that you need. It is a virtualization operating system; similar to VMWare ESXi.

It's all managed via web interface and will allow you to create several different virtual servers. You can format and mount your RAID5/10 to install the Virtual Machines on. This software also allows full automatic backups of the Virtual Machines.

Here is an image of my server.

enter image description here

Windows Home Server 2011 is virtualized. I have this VM back up my desktop, laptop, and media center nightly.

enter image description here

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ah, I should rephrase my question a bit, I see. I need backups of the other PCs in the network, not only the VMs itself. Proxmox looks like though, I'll take a look at that. –  Megge Nov 1 '12 at 14:03
    
Are your PCs Windows based? I virtualized Windows Home Server 2011 for the backups. It takes a nightly backup of these computers and then a weekly backup image of the WHS2011. –  kobaltz Nov 1 '12 at 14:05
    
PCs are both OS X and Windows, I really want and need a crossplatform solution (I don't want to manage two different applications) –  Megge Nov 1 '12 at 14:08
    
Windows Home Server also allows OSX to connect and do nightly backups. However, Linux is not supported. Best part is that it only costs $50 for the full OS. –  kobaltz Nov 1 '12 at 14:11
    
wegotserved.com/2012/05/17/… –  kobaltz Nov 1 '12 at 14:12
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