Is it best to render data into to a separate hard drive?
I’m rendering songs from Logic Pro into a Quadra Lacie external hard drive. My buddy had said it’s good practice especially when dealing with video rendering as well as audio. Why is this so?
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Less movement of the read/write head back and forth as it read and writes. So, theoretically, it’s faster.
If you’re copying just a few gigs, it won’t make any difference. But if you’re copying many many gigs, the differences could add up to a big difference
Perhaps he’s thinking of it as good practice because it doesn’t completely eat your disk capacity.
He said it has something to do with scratch disk and clogging and this and that.
Besides not filling up your home drive, doing massive data work of any kind can benefit from being on disk space that isn’t on the same hardware as your OS and application files, per @HungryGuy‘s point that there is less movement of heads. ... the movement of the heads for the stream of rendering I/O will stay localized on the external drive, and OS/application access will stay in those neighborhoods. through put from each will suffer less delays from latencies going back and forth.
An external drive also probably goes through a distinct I/O controller (for the USB bus) while the system drive is typically going through an onboard SATA controller with it’s own DMA(direct memory access) connection to all the system RAM.
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