Wow!!! You've stole my thunder. But I can do you one better.
I've got DDR3 RAM disks that are capable of sustained performance of about 6G/s each. When combined into a 8+2 RAID6, I get only about 3G/s doing sequential writes, and about 42G/s on reads. CPU is 96.8% idle for the writes.
In iostat, I'm seeing about 10x the amount of data going to each individual disk compared to what my user app is writing to the raid device.
Bob Kierski
Senior Storage Performance Engineer
Cray Inc.
380 Jackson Street
Suite 210
St. Paul, MN 55101
Tele: 651-967-9590
Fax: 651-605-9001
Cell: 651-890-7461
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