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I have a second hard drive that I've installed on my system, and copying files from the USB to the hard drive is extremely slow (about 70kB/sec).

Here is my /etc/fstab entry:

/dev/sdb1 /media/Storage ntfs uid=rhys,gid=users,auto,user,exec,rw,sync 0 0

Am I doing something wrong here?

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  • Are you using usb 1.0 or usb2.0?
    – Prasad RD
    Jul 19, 2012 at 13:49
  • I've tried the USB 2.0 and 3.0 ports.
    – norway-firemen
    Jul 19, 2012 at 13:59
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    Are you copying several tiny files, or rather big ones?
    – SirCharlo
    Jul 19, 2012 at 14:11
  • I'm copying big files.
    – norway-firemen
    Jul 19, 2012 at 14:32

2 Answers 2

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Actually, asyncronous copy shouldn't change the speed. It would look like that because the copy happens in background, but you won't be able to unmount the drive any sooner than before. At least with syncronous tranfer when it says "Done", it really is done... but the downside is that the pop-up "Copying" box will hang around for ages.

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  • That's simply not true, whatever you might think in principle. Try changing the option and see the difference for a large file. From /etc/usbmount/usbmount.conf: 'WARNING! The "sync" option may not be a good choice to use with flash drives, as it forces a greater amount of writing operating on the drive. This makes the writing speed considerably lower and also leads to a faster wear out of the disk.'
    – beldaz
    Jul 21, 2014 at 10:08
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Seems as though switching the flag from sync to async fixes the issue.

/dev/sdb1 /media/Storage ntfs uid=rhys,gid=users,auto,user,exec,rw,async 0 0
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