Hi list, I use fedora 12 on a dell inspiron 1545 laptop. (2.6.31.12-174.2.22.fc12.x86_64). i have a external usb hd and i can't make it connect like a usb 2.0 device. this device is ntfs format
I check if the device is using ehci (dmesg after i plug the device) [r...@localhost ~]# dmesg | grep USB usb 2-2: new high speed USB device using ehci_hcd and address 2 I check if this device is connected on a usb 2.0 [r...@localhost ~]# lsusb Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 015: ID 0471:2021 Philips Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub I mount the device with this options: /dev/sdc1 on /media/hd_backup type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096) but when i use cp, mv or rsync, the max speed i get is max 6MB/s (a lot 800kB/s). If i use this device on Windows (tested with Vista and Seven), i get much high transfer rate. I read about sync and async options, but if i put sync or async on fstab, it does not alter the transfer rate. Is this the normal upload transfer rate? I am doing something wrong? []'s Luigi Castro Cardeles
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