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Date: Fri, 2 Dec 2011 15:02:41 -0500
From: Jason Hellenthal <jhell@DataIX.net>
To: Bob Friesenhahn <bfriesen@simple.dallas.tx.us>
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Cc: freebsd-fs@freebsd.org
Subject: Re: Monitoring ZFS IO
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On Fri, Dec 02, 2011 at 11:37:28AM -0600, Bob Friesenhahn wrote:
> On Fri, 2 Dec 2011, Matt Burke wrote:
> 
> > On 12/02/11 14:47, Ronald Klop wrote:
> >> while true; do gstat -b -I 1s; done
> >
> > Looks like I wasn't clear about what I'm after - sorry.
> >
> > I want to see how many bytes or KB have been read and written to a given
> > zpool since creation (as in the newer of uptime or zpool creation) on the
> > system.
> 
> This implies that these statistics would need to be stored in the pool 
> itself, which implies that the statistics need to be periodically 
> written (e.g. in each transaction group) as a form of metadata.
> 

I thought this was ( df -[h,b,m,g]) output... ;)

zfs list ...