Date: Fri, 2 Dec 2011 15:02:41 -0500 From: Jason Hellenthal <jhell@DataIX.net> To: Bob Friesenhahn <bfriesen@simple.dallas.tx.us> Cc: freebsd-fs@freebsd.org Subject: Re: Monitoring ZFS IO Message-ID: <20111202200241.GA38979@DataIX.net> In-Reply-To: <alpine.GSO.2.01.1112021135550.2282@freddy.simplesystems.org> References: <4ED8D7A5.7090700@icritical.com> <op.v5u91pls8527sy@212-182-167-131.ip.telfort.nl> <4ED8EC9A.2080706@icritical.com> <alpine.GSO.2.01.1112021135550.2282@freddy.simplesystems.org>
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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 ...
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