Reply to post: Throughput

Don't want to fork out for NAND flash? You're not alone. Disk still rules

ntevanza

Throughput

Let's talk about throughput. SATA RAID rebuild times are now unacceptable, and flash isn't the answer.

The obvious answer was once to put more arms and heads in the drive. No-one did that because RAID came along and and you could stripe IO across many heads for cheap.

That does not work when you're rebuilding a bad disk.

The Winchester disk guys (and RAID controller guys) can build a dual-arm SATA drive, doubling throughput, that's competitive with flash on unit price. Discuss.

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