Date: Fri, 02 Dec 2011 15:47:38 +0100 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: freebsd-fs@freebsd.org Subject: Re: Monitoring ZFS IO Message-ID: <op.v5u91pls8527sy@212-182-167-131.ip.telfort.nl> In-Reply-To: <4ED8D7A5.7090700@icritical.com>
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On Fri, 02 Dec 2011 14:50:29 +0100, Matt Burke <mattblists@icritical.com> wrote: > Can someone enlighten me as to how to get 'iostat -Id' or 'iostat -Idx' > style counters for zpools? > > I've read through the man pages, but all I can see is 'zpool iostat' > which > gives values which appear to be averaged over an unspecified time period. > > > With a 30-disk zpool, I can't fathom out how to get any meaningful data > from the individual disk stats, and keeping a daemon running 'zpool > iostat > N' just to parse its output seems hugely inefficient and hacky... > > > > Thanks. > while true; do gstat -b -I 1s; donehelp
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