Date: Sun, 22 Jul 2012 21:56:08 -0700 (PDT) From: Jakub Lach <jakub_lach@mailplus.pl> To: freebsd-questions@freebsd.org Subject: Re: "da0: 40.000MB/s transfers" What was rationale behind pegging USB 2.0 at 40MB/s? Message-ID: <1343019368157-5729100.post@n5.nabble.com> In-Reply-To: <CA%2BtpaK22qemQgGLJCy0R9X8poL8W1kcNGyw_ZgH9n9-a8JZmfg@mail.gmail.com> References: <1342992043358-5729028.post@n5.nabble.com> <CA%2BtpaK3qWnh_MUfBAEzTexsJdXu4JP5nPG=z4jJdUUd2qwSUxQ@mail.gmail.com> <1342998350089-5729042.post@n5.nabble.com> <CA%2BtpaK22qemQgGLJCy0R9X8poL8W1kcNGyw_ZgH9n9-a8JZmfg@mail.gmail.com>
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Apparently my speeds are pretty decent, as this this advertised speed relates to read speed, and write one is pretty weak. People are reporting 62-70MB/s read and 17-31MB/s write. Are you saying that disk clearly bumping from 40MB/s read barrier (as I saw in midnight commander is my imagination or it's cause is totally unrelated to OS? I thought it's worth investigating, as FreeBSD coincidentally reports USB 2.0 ports as such. -- View this message in context: http://freebsd.1045724.n5.nabble.com/da0-40-000MB-s-transfers-What-was-rationale-behind-pegging-USB-2-0-at-40MB-s-tp5729028p5729100.html Sent from the freebsd-questions mailing list archive at Nabble.com.
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