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Subject: RE: problems copying over many files
From: Gerald Clark (gerald_clark_at_mindspring.com)
Date: 2003-03-29


Are you running Linux and USB1 ?
I suspect it starts out fast as it fills
Many megs of buffers. When it runs out of buffers, it starts writing them.
This is the long pause.
I recommend getting a USB 2.0 card.

------------
   I've recently purchased an Archos Jukebox 20 recorder. I'm able to mount
    the hard disk and copy/delete files etc. The problem I'm running into is
    that when I copy a lot of files, the cp process hangs for a few minutes,
    then begins again very slowly.
    
    While this is happening, I can see (from top) that bdflush and
    usb-storage-0 seem to waiting for someting. Their "STAT" is "DW".
    When I see bdflush and usb-storage-0 drop from the top of the process
    list, the file copies begin again at their normal pace.
    
    Mounting the filesystem in synchronus mode takes care of this problem
    but the copy process is quite a bit slower. I'm happy to provide any
    system details folks might deem relevant.
    
    thanks for your time,
    
    -mtw
    
    --



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