#USB 3 TRANSFER RATE REALLY SLOW UPDATE#
Is there any setting I need to make in addition to defaults of my still quite vanilla but update 11.04 here? This it makes it almost unusuable, even more so because I know it could perform much better.Ĭhanging the USB port to another one on the back of the computer and changing the cable to a brand new one did not make any change. With this rate it takes hours to backup my frequently edited large video files. Timing buffered disk reads: 96 MB in 3.06 seconds = 31.35 MB/sec Timing cached reads: 1904 MB in 2.00 seconds = 952.06 MB/sec This is the output of hdparm: ~$ sudo hdparm -Tt /dev/sdc1 External Hard Disk īus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub This the output of lsusb: Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hubīus 004 Device 002: ID 046a:010a Cherry GmbHīus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hubīus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hubīus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hubīus 001 Device 008: ID 1058:1001 Western Digital Technologies, Inc. 12 MB/sec maximum even though from the hard disk utility it says it is connected at high-speed USB (480 MB/s): When copying files I have a very slow data transfer rate rate of approx. My external 1TB hard drive is connected to the front USB2.0 socket on my 11.04 box.
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