[LBo] Monitoring Disk Performance

[tim]

On Mon, 12 Mar 2007 09:43:07 -0500
"Jay Roos" <jayroos at gmail.com> wrote:

> Actually, I'm looking for something more like Windows perfmon where I
> can see current disk transfer speed.
> 
> On 3/10/07, J. Armstrong <jarmstrong at gmx.net> wrote:
> >
> > 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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> I read your question a couple of times without really connecting to
> it.  Then I thought of gkrellm.  And sure enough it has that
> ability.  I just moved a 3.5GB file and saw speeds as high as 85 and
> as low as 37.  Mostly staying around 65 to 75.  It also can show ppp
> or eth0.  Configure as you like.
> 
>