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[Bug 541937] Re: Copying files to USB flash drive is extremely slow

 

I apologize for not having time to really test this, but hopefully this
info will help someone who has time...

I encountered a similar problem to Adam Porter's comment #5, using
grsync.  I tried again, leaving the computer alone overnight, and when I
woke up the next morning, it was frozen.  I'm trying it again using cp
from the command line, and gkrellm is showing me something rather
interesting.  I'm copying from the internal drive (just a normal drive,
not solid state) to an external usb hard drive.  It appears that the
output to the external drive is being buffered, and when the buffer is
being flushed, it is consistently hitting a max of 30MB/sec.  However,
the transfer rate from the internal drive has been creeping down; if I
remember correctly it started out at around 10MB/sec and at this point
it's down to 2.2MB/sec and still creeping down.  I think I'm going to
kill the copy and reboot - it has only copied 14GB of a 30GB file, and I
strongly suspect that it will freeze before it finishes at the rate
things are going.  I guess I'll have to boot off my karmic flash drive
to copy this file...

I'm running lucid on an Asus Eee PC 1005ha.  I have seen the slow copy
problem before in nautilus, but it's never frozen like this.  I think a
recent patch may have broken it.

-- 
Copying files to USB flash drive is extremely slow
https://bugs.launchpad.net/bugs/541937
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