Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-19 Thread Paul Hartman
On Thu, Aug 18, 2011 at 6:32 PM, Peter Humphrey wrote: > On Thursday 18 August 2011 23:46:30 Paul Hartman wrote: > >>  I saw that one of the pins on the port was bent inward on itself, so it >>  never made contact when I plugged devices into it. > > And when you tried to straighten it, it broke of

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-18 Thread Peter Humphrey
On Thursday 18 August 2011 23:46:30 Paul Hartman wrote: > I saw that one of the pins on the port was bent inward on itself, so it > never made contact when I plugged devices into it. And when you tried to straighten it, it broke off, no? That's been my experience. -- Rgds Peter Lin

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-18 Thread Paul Hartman
On Thu, Aug 18, 2011 at 2:46 PM, Grant wrote: > Just thought I'd mention that one of my USB 3.0 ports works and the > other doesn't.  The non-working port lights up the USB drive but the > drive isn't picked up by the system in dmesg at all.  I don't know if > this is a hardware or software issue.

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-18 Thread Grant
>>> I'm testing this USB 3.0 bus-powered hard drive: >>> >>> http://www.amazon.com/gp/product/B0041OSQ9S >>> >>> and I get: >>> >>> # hdparm -tT /dev/sdb >>> /dev/sdb: >>> Timing cached reads:   8006 MB in  2.00 seconds = 4004.33 MB/sec >>> Timing buffered disk reads: 252 MB in  3.01 seconds =  83.

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-12 Thread covici
Michael Mol wrote: > On Thu, Aug 11, 2011 at 1:27 PM, wrote: > > Grant wrote: > > What usb3 is supported by Linux?  Is it a pci card? > > The UHCI interface standard provides support for USB 1.1. EHCI, USB 2.0. > > XHCI supports USB 3.0, as well as 2.0 and 1.1. Any chipset > manufacturer whi

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-12 Thread Michael Mol
On Thu, Aug 11, 2011 at 1:27 PM, wrote: > Grant wrote: > What usb3 is supported by Linux?  Is it a pci card? The UHCI interface standard provides support for USB 1.1. EHCI, USB 2.0. XHCI supports USB 3.0, as well as 2.0 and 1.1. Any chipset manufacturer which wants to support USB 3.0 will be u

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-12 Thread Peter Humphrey
On Thursday 11 August 2011 19:50:17 Grant wrote: > So USB 2.0 throughput is obviously creating a bottleneck. That might be obvious to you, but it isn't to me. You ran different tests in the two cases, differing in -T, as Volker pointed out. -- Rgds Peter Linux Counter 5290, 1994-04-2

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Grant
>> USB 3.0 throughput is said to be 625 MB/s so I must be running up >> against the speed of the disk itself in USB 3.0 mode, correct? > > Processing power of the external USB<->SATA controller chip could also > come into play. But in your case I think you're getting the maximum > speed possible fr

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Paul Hartman
On Thu, Aug 11, 2011 at 1:50 PM, Grant wrote: >>> > I'm testing this USB 3.0 bus-powered hard drive: >>> > >>> > http://www.amazon.com/gp/product/B0041OSQ9S >>> > >>> > and I get: >>> > >>> > # hdparm -tT /dev/sdb >>> > /dev/sdb: >>> > Timing cached reads:   8006 MB in  2.00 seconds = 4004.33 MB/s

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Alan McKinnon
On Thu 11 August 2011 11:27:13 Grant did opine thusly: > >> I'm testing this USB 3.0 bus-powered hard drive: > >> > >> http://www.amazon.com/gp/product/B0041OSQ9S > >> > >> and I get: > >> > >> # hdparm -tT /dev/sdb > >> /dev/sdb: > >> Timing cached reads: 8006 MB in 2.00 seconds = 4004.33 >

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Alan McKinnon
On Thu 11 August 2011 11:50:17 Grant did opine thusly: > USB 3.0 throughput is said to be 625 MB/s so I must be running up > against the speed of the disk itself in USB 3.0 mode, > correct? Here's what I get from my internal SATA hard drive, but > it is surely a much faster disk: > > # hdparm -t

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Grant
I'm testing this USB 3.0 bus-powered hard drive: http://www.amazon.com/gp/product/B0041OSQ9S and I get: # hdparm -tT /dev/sdb /dev/sdb: Timing cached reads:   8006 MB in  2.00 seconds = 4004.33 MB/sec Timing buffered disk reads: 252 MB in  3.01 seco

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Grant
>> > I'm testing this USB 3.0 bus-powered hard drive: >> > >> > http://www.amazon.com/gp/product/B0041OSQ9S >> > >> > and I get: >> > >> > # hdparm -tT /dev/sdb >> > /dev/sdb: >> > Timing cached reads:   8006 MB in  2.00 seconds = 4004.33 MB/sec >> > Timing buffered disk reads: 252 MB in  3.01 seco

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Mark Knecht
On Thu, Aug 11, 2011 at 11:27 AM, Grant wrote: >>> I'm testing this USB 3.0 bus-powered hard drive: >>> >>> http://www.amazon.com/gp/product/B0041OSQ9S >>> >>> and I get: >>> >>> # hdparm -tT /dev/sdb >>> /dev/sdb: >>> Timing cached reads:   8006 MB in  2.00 seconds = 4004.33 MB/sec >>> Timing buf

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Grant
>> I'm testing this USB 3.0 bus-powered hard drive: >> >> http://www.amazon.com/gp/product/B0041OSQ9S >> >> and I get: >> >> # hdparm -tT /dev/sdb >> /dev/sdb: >> Timing cached reads:   8006 MB in  2.00 seconds = 4004.33 MB/sec >> Timing buffered disk reads: 252 MB in  3.01 seconds =  83.63 MB/sec

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Grant
>> I'm testing this USB 3.0 bus-powered hard drive: >> >> http://www.amazon.com/gp/product/B0041OSQ9S >> >> and I get: >> >> # hdparm -tT /dev/sdb >> /dev/sdb: >> Timing cached reads:   8006 MB in  2.00 seconds = 4004.33 MB/sec >> Timing buffered disk reads: 252 MB in  3.01 seconds =  83.63 MB/sec

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Simon
It is my opinion that benchmarks should be done with a real benchmark tool. Try with bonnie++ This will really show you the strengths and weaknesses of your setup. Good luck, Simon On Thu, Aug 11, 2011 at 1:49 PM, Volker Armin Hemmann < volkerar...@googlemail.com> wrote: > Am Donnerstag 11 Au

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Volker Armin Hemmann
Am Donnerstag 11 August 2011, 10:30:04 schrieb Mark Knecht: > On Thu, Aug 11, 2011 at 10:12 AM, Grant wrote: > > I'm testing this USB 3.0 bus-powered hard drive: > > > > http://www.amazon.com/gp/product/B0041OSQ9S > > > > and I get: > > > > # hdparm -tT /dev/sdb > > /dev/sdb: > > Timing cached

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Volker Armin Hemmann
Am Donnerstag 11 August 2011, 10:12:54 schrieb Grant: > I'm testing this USB 3.0 bus-powered hard drive: > > http://www.amazon.com/gp/product/B0041OSQ9S > > and I get: > > # hdparm -tT /dev/sdb > /dev/sdb: > Timing cached reads: 8006 MB in 2.00 seconds = 4004.33 MB/sec > Timing buffered disk

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Mark Knecht
On Thu, Aug 11, 2011 at 10:27 AM, wrote: > What usb3 is supported by Linux?  Is it a pci card? > > -- > Your life is like a penny.  You're going to lose it.  The question is: > How do > you spend it? > >         John Covici >         cov...@ccs.covici.com > > I have it on my Asus laptop. - Mar

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Mark Knecht
On Thu, Aug 11, 2011 at 10:12 AM, Grant wrote: > I'm testing this USB 3.0 bus-powered hard drive: > > http://www.amazon.com/gp/product/B0041OSQ9S > > and I get: > > # hdparm -tT /dev/sdb > /dev/sdb: > Timing cached reads:   8006 MB in  2.00 seconds = 4004.33 MB/sec > Timing buffered disk reads: 25

Re: [gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread covici
Grant wrote: > I'm testing this USB 3.0 bus-powered hard drive: > > http://www.amazon.com/gp/product/B0041OSQ9S > > and I get: > > # hdparm -tT /dev/sdb > /dev/sdb: > Timing cached reads: 8006 MB in 2.00 seconds = 4004.33 MB/sec > Timing buffered disk reads: 252 MB in 3.01 seconds = 83.63

[gentoo-user] {OT} USB 3.0 hard drive speed test

2011-08-11 Thread Grant
I'm testing this USB 3.0 bus-powered hard drive: http://www.amazon.com/gp/product/B0041OSQ9S and I get: # hdparm -tT /dev/sdb /dev/sdb: Timing cached reads: 8006 MB in 2.00 seconds = 4004.33 MB/sec Timing buffered disk reads: 252 MB in 3.01 seconds = 83.63 MB/sec # hdparm -tT /dev/sdb /dev