how to...accelarate randon access to millions of images?

[Michael S. Fischer]

On Sun, Mar 16, 2008 at 10:02 AM, Michael S. Fischer
<michael at dynamine.net> wrote:

I don't know why I'm having such a problem with this.  Sigh!  I think
I got it right this time.

>  >  If I were designing such a service, my choices would be:
>
>  Corrections:
>
>
>  >  (1) 4 machines, each with 4-disk RAID 0 (fast, but dangerous)
>  >  (2) 4 machines, each with 5-disk RAID 5 (safe, fast reads, but slow
>  >  writes for your file size - also, RAID 5 should be battery backed,
>  >  which adds cost)
>  >  (3) 4 machines, each with 4-disk RAID 10 (will meet workload
>  >  requirement, but won't handle peak load in degraded mode)
>  >  (4) 5 machines, each with 4-disk RAID 10
>  >  (5) 9 machines, each with 2-disk RAID 1

--Michael