I'm looking at deploying a server for high bit rate video streams up to 250 Mbps. There are 8 clients in the network which at any given point may be playing any given stream, so a worst case scenario is 8 x 250 Mbps or 2000 Mbps. How would I go about sizing the RAID array correctly, given that I would opt for a RAID5 array? Can I consider this as a strictly sequential I/O workload and would therefore basic calculations suffice? I.e. a RAID5 array of 8 disks with 150 MB/s throughput per disk would yield around 1200 MBps sequential throughput which would be theoretically sufficient. Thanks for your insights.
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