Atom Powers wrote:
> I have a wide variety of storage devices, and I suspect most of them
> are underutilized. To make the best use of them I'd like to measure
> what their actual performance is: disk IOps per second.
>
> The storage is SATA, SCSI, and iSCSI attached to Linux and/or FreeBSD,
> UFS and ext 3 or 4 on a variety of i386 hardware. I'm not especially
> interested in which ones /should/ perform better, I want to measure
> which ones /do/ perform better. (And so I can tell my applications
> team that they are hallucinating when they blame performance on the
> file system.)
>
> What tools can I use to measure disk performance?
>
>
The A-list standard storage benchmarking tools are iozone and bonnie++.
Either or both of these are quite capable of measuring IOPS.
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