That's very interesting. How did you learn this? Brian -----Original Message----- From: tclug-list-bounces at mn-linux.org [mailto:tclug-list-bounces at mn-linux.org] On Behalf Of James Sent: Thursday, April 30, 2009 7:42 AM To: Donovan Cc: tclug-list at mn-linux.org Subject: Re: [tclug-list] Anyone with openfiler experience After much research I finally found that OpenFiler only configures USB devices at a 1.1 level and not 2.0 which is why the throughput is so low. If I want to use USB drives I'll have to setup a standard Linux system and share out the drives on it. Thanks everyone for your suggestions. On Wed, Apr 29, 2009 at 1:13 PM, Donovan <dniesen at gmail.com> wrote: > On Wed, Apr 29, 2009 at 12:58 PM, James <jucziz6 at gmail.com> wrote: >> Over the years I have purchase a couple of the low cost USB NAS >> solutions that Linksys has come out with. These units use an ARM >> processor and a mini linux kernel. For the most part they work but, >> they are slow and if I try to un-tar a file on the unit back to >> itself it will lock up. I thought I'd move the drives to OpenFiler >> and away from the ARM processor. I setup OpenFiler, configured it >> with a multiport USB card and connected a new drive to it. Then I >> started moving files to it, the performance was below the charts. The >> ARM units were typically twice as fast as OpenFiler. The OpenFiler >> system was practically idle from what I could see in top, accessing the drive from the system had some issues as well. >> >> Does anyone have any experience with OpenFiler and USB drives or >> performance tuning it? >> >> Thank >> >> _______________________________________________ >> TCLUG Mailing List - Minneapolis/St. Paul, Minnesota >> tclug-list at mn-linux.org >> http://mailman.mn-linux.org/mailman/listinfo/tclug-list >> > > > USB is going to be a bottleneck no matter what; why not crack those > drives open and hook them up to a SATA/IDE interface instead? > > If you need to stick with USB I would check to make sure that they are > operating at the full 2.0 speed. Maybe run hdparm -t on each disk and > see that you're getting somewhere around 20MB/s. > > > -- > Donovan Niesen > _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota tclug-list at mn-linux.org http://mailman.mn-linux.org/mailman/listinfo/tclug-list