Date: Wed, 22 Jul 2009 19:38:35 -0700 From: Drew Tomlinson <drew@mykitchentable.net> To: FreeBSD current <freebsd-current@freebsd.org> Subject: USB 2.0 External Drive - What Is A Reasonable Transfer Rate? Message-ID: <4A67CD2B.9040200@mykitchentable.net>
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I have a USB 2.0 external drive that's formatted as NTFS under Windows XP. I've plugged it into my 8.0 BETA2 install and am copying files to a local raid1z zpool with one vdev consisting of 4 drives. I'm trying to move about 100 GB of assorted files and have been at it all day. The USB drive contains assorted files such as mp3, CD/DVD images, zip, documents, etc. I'm guessing most files range between 1 - 4 MB with some as large as 4 GB. Anyway, iostat shows the transfer rate at around 2 - 3 MB per second. Is this all I should expect from a USB 2.0 drive? Is there anything I can do to speed this up? Thanks, Drew -- Be a Great Magician! Visit The Alchemist's Warehouse http://www.alchemistswarehouse.com
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