Date: Thu, 21 Apr 2005 14:45:32 +0200 From: Claus Guttesen <kometen@gmail.com> To: Mike Tancsa <mike@sentex.net> Cc: Eric Anderson <anderson@centtech.com> Subject: Re: some simple nfs-benchmarks on 5.4 RC2 Message-ID: <b41c755205042105455395125e@mail.gmail.com> In-Reply-To: <6.2.1.2.0.20050420235003.04b7bda0@64.7.153.2> References: <b41c75520504190418308f94cc@mail.gmail.com> <b41c75520504190455542071f7@mail.gmail.com> <4264F8A8.3080405@centtech.com> <b41c755205041906145fc4719c@mail.gmail.com> <426507DC.50409@centtech.com> <b41c7552050419065519057cb2@mail.gmail.com> <42650EB2.4040409@centtech.com> <b41c75520504200117608f8e31@mail.gmail.com> <b41c7552050420014730ae39e1@mail.gmail.com> <6.2.1.2.0.20050420235003.04b7bda0@64.7.153.2>
next in thread | previous in thread | raw e-mail | index | archive | help
> > > elin% dd if=3D/dev/zero of=3D/nfssrv/dd.tst bs=3D1024 count=3D1048576 > > > 1048576+0 records in > > > 1048576+0 records out > > > 1073741824 bytes transferred in 21.373114 secs (50237968 bytes/sec) > > > > > > >Follow-up, did the same dd on a Dell 2850 with a LSI Logic (amr), 6 > >scsi-disks in a raid 5: > > > >frodo~%>dd if=3D/dev/zero of=3Ddd.tst bs=3D1024 count=3D1048576 > >1048576+0 records in > >1048576+0 records out > >1073741824 bytes transferred in 8.972321 secs (119672693 bytes/sec) > > > >Must faster. FreeBSD 5.4 RC2. >=20 > FYI, here is on an Areca SATA in Raid5, 4 disks 3Ghz P4 >=20 > [nfs]# dd if=3D/dev/zero of=3Ddd.tst bs=3D1024 count=3D1048576 > 1048576+0 records in > 1048576+0 records out > 1073741824 bytes transferred in 16.416051 secs (65408047 bytes/sec) > [nfs]# >=20 > [nfs]# dd if=3D/dev/zero of=3Ddd.tst bs=3D2048 count=3D1048576 > 1048576+0 records in > 1048576+0 records out > 2147483648 bytes transferred in 30.371264 secs (70707747 bytes/sec) > [nfs]# >=20 > Same box, but to an ad0 partition (similar Segate drive) > [nfs]# dd if=3D/dev/zero of=3Ddd.tst bs=3D512 count=3D1048576 > 1048576+0 records in > 1048576+0 records out > 536870912 bytes transferred in 11.096809 secs (48380658 bytes/sec) > [nfs]# >=20 > RELENG_5 from today. Thank you. regards Claus
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?b41c755205042105455395125e>