Monitoring ZFS IO

Jason Hellenthal jhell at DataIX.net
Fri Dec 2 20:02:58 UTC 2011



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 ...


More information about the freebsd-fs mailing list