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Here is the set up.... Ubuntu 12 LTS, Plex.. ect.I am looking on setting up a raid 5 using 4 2tb disks to create 6tb of space with a fail safe.

One thing I have had a thought about which I am unsure thus was wondering if the gurus here had an answer too, is the use of a sata controller with mdadm software raid....

Would buying a 4 port PCI sata 3 controller to add more sata ports to the system work with mdadm to create a raid 5 array?

This is opposed to buying a 4 port fakeraid controller with raid 5 in its little bios.

All the best guys!

To add, my motherboard is from around 2008 and i confident it dies not have onboard riad

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