[LBo] Monitoring Disk Performance

[J. Armstrong]

On Fri, 9 Mar 2007, Jay Roos wrote:

> I'm wondering if there is a way to monitor real life disk performance? I'd
> like to see how fast data is moving during copying or rsyncing. I'm looking
> for something similar to iptraf which is great for monitoring network speed.
>
> --
> Jay Roos

I believe what you're looking for is hdparm, which not only lets you view and adjust drive parameters but also includes basic benchmarking: 

$ sudo hdparm -tT /dev/hdd

/dev/hdd:
 Timing cached reads:   792 MB in  2.00 seconds = 395.25 MB/sec
 Timing buffered disk reads:  224 MB in  3.01 seconds =  74.44 MB/sec


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