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“Raid 0 buys you alot of extra performance, especially for IO intensive operations like rendering. It doesn’t make ACCESS to the hard drive quicker, but it gives you alot more work capacity.”
I’m pretty sure that’s completely backwards. A RAID doesn’t help you render faster. That rendering is up to the CPU or sometimes an I/O card. I’m not sure what you mean by “access to the hard drive,” but a RAID certainly does increase throughput (depending on the RAID configuration).
“Well running a RAID configuration speed up my editing and rendering times?”
As I said above, a RAID doesn’t help with rendering, but the increased throughput of data should help you edit faster.
It all really depends on what kind of media you’re working with. You don’t need a RAID with DV, but a RAID would be beneficial with DVCPro HD. If you’re working with something like AVCHD and your computer is bogging down, most likely your computer is not decoding the Long GOP compression, which is a CPU issue, not throughput.
I was thinking of running a RAID 0 but is it possible to still back every thing upcfrom the RAID drive/s on to a seprate drive?
Yes. For example, if you’re running a 2TB RAID0 with 4 drives striped together, you can dump all 2TB of data onto a single 2TB HDD. In fact, you can take anything from that RAID and back up any desired amount anywhere you want. It’s only on the RAID itself where data is split up among all the drives. Your computer will know to bring all that data back together if it’s transferring something from the RAID to something that isn’t a RAID.