Richard Connamacher <rich <at> indieimage.com> writes:

> 
> Also, one of those drives will need to be the boot drive.
> (Even if it's possible I don't want to boot from the
> data dive, need to keep it focused on video storage.)

But why?

By allocating 11 drives instead of 12 to your data pool, you will reduce the
max sequential I/O throughput by approximately 10% which is significant...
If I were you I would format every 1.5TB drive like this:
* 6GB slice for the root fs
* 1494GB slice for the data fs
And create an N-way mirror for the root fs with N in [2..12].

I would rather loose 6/1500 = 0.4% of storage capacity than loose 10% of
I/O throughput.

I/O activity on the root fs will be insignificant and will have zero
perf impact on your data pool.

-mrb


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