Re: Why USB harddrive is so slow under FreeBSD?

On Sun, Apr 12, 2009 at 1:54 PM, Yuri y...@rawbw.com wrote: I have FreeBSD-71 running with USB controller: uhci0: VIA 83C572 USB controller port 0xa800-0xa81f irq 21 at device 16.0 on pci0 I connected to it Toshiba USB hard drive HDDR500E03X: umass0: Toshiba External USB HDD, class 0/0, rev

Re: Why USB harddrive is so slow under FreeBSD?

On Mon, Apr 13, 2009 at 12:27:27AM -0600, Tim Judd wrote: On Sun, Apr 12, 2009 at 1:54 PM, Yuri y...@rawbw.com wrote: I have FreeBSD-71 running with USB controller: uhci0: VIA 83C572 USB controller port 0xa800-0xa81f irq 21 at device 16.0 on pci0 I connected to it Toshiba USB hard

Why USB harddrive is so slow under FreeBSD?

I have FreeBSD-71 running with USB controller: uhci0: VIA 83C572 USB controller port 0xa800-0xa81f irq 21 at device 16.0 on pci0 I connected to it Toshiba USB hard drive HDDR500E03X: umass0: Toshiba External USB HDD, class 0/0, rev 2.00/1.03, addr 2 on uhub4 da0: Toshiba External USB HDD

Re: Why USB harddrive is so slow under FreeBSD?

Yuri wrote: I have FreeBSD-71 running with USB controller: uhci0: VIA 83C572 USB controller port 0xa800-0xa81f irq 21 at device 16.0 on pci0 I connected to it Toshiba USB hard drive HDDR500E03X: umass0: Toshiba External USB HDD, class 0/0, rev 2.00/1.03, addr 2 on uhub4 da0: Toshiba

Re: Why USB harddrive is so slow under FreeBSD?

Frederique Rijsdijk wrote: I get around the same speeds if I do it that way. But if I add 'bs=1m', speeds go up to 27MB/sec. Do you also have VIA 83C572? I was leaning towards a direction that VIA 83C572 is probably USB-1.X only and only has speeds up to 12 Mb/s. But I can't find

Re: Why USB harddrive is so slow under FreeBSD?

In the last episode (Apr 12), Yuri said: I have FreeBSD-71 running with USB controller: uhci0: VIA 83C572 USB controller port 0xa800-0xa81f irq 21 at device 16.0 on pci0 I connected to it Toshiba USB hard drive HDDR500E03X: umass0: Toshiba External USB HDD, class 0/0, rev 2.00/1.03, addr 2

Re: Why USB harddrive is so slow under FreeBSD?

Dan Nelson wrote: Increase your blocksize. dd's default is 512 bytes. Try bs=64k This works, I am getting 25-27 MB/s. Still lower than this device supports (~50MB/s). I guess because this VIA controller is very old. Yuri ___

Re: Why USB harddrive is so slow under FreeBSD?

On Sun, Apr 12, 2009 at 02:53:42PM -0700, Yuri wrote: Dan Nelson wrote: Increase your blocksize. dd's default is 512 bytes. Try bs=64k This works, I am getting 25-27 MB/s. Still lower than this device supports (~50MB/s). I guess because this VIA controller is very old. Although