[CentOS] benchmarking large RAID arrays

David Thompson thomas at cs.wisc.edu
Wed Sep 13 21:37:15 UTC 2006

"chrism at imntv.com" wrote:
>I'm just wondering what folks are using to benchmark/tune large arrays 
>these days.  I've always used bonnie with file sizes 2-3 times physical 
>RAM.  Maybe there's a better way?

For benchmarking a disk subsystem, I use iozone, with the kernel booted with 
mem=<nn> to create an artificially small buffer pool.

Dave Thompson

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