Date: Sun, 28 Jun 2009 20:36:16 +1000 From: Andrew Snow <andrew@modulus.org> To: Dan Naumov <dan.naumov@gmail.com> Cc: freebsd-fs@freebsd.org, freebsd-geom@freebsd.org Subject: Re: read/write benchmarking: UFS2 vs ZFS vs EXT3 vs ZFS RAIDZ vs Linux MDRAID Message-ID: <4A4747A0.6040902@modulus.org> In-Reply-To: <cf9b1ee00906280330s1f500266xdcbfb1462deda7f8@mail.gmail.com> References: <cf9b1ee00906261636m5d09966ag6d7e1b7557ada709@mail.gmail.com> <4A4725FA.80505@modulus.org> <cf9b1ee00906280330s1f500266xdcbfb1462deda7f8@mail.gmail.com>
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> What's confusing is that your results are actually out of place with > how ZFS numbers are supposed to look, not mine :) When using ZFS > RAIDZ, due to the way parity checking works in ZFS, your pool is > SUPPOSED to have throughput of the average single disk from that pool > and not some numbers growing skyhigh in a linear fashion. Could you please elaborate on this and explain it? - Andrew
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