[ale] Copy time for USB ext HDD

Scott skotchman at gmail.com
Sat Jun 20 20:09:52 EDT 2009


Richard Bronosky wrote:
> Many of the USB2 hubs will function at the "lowest common
> denominator". Meaning, if you have any USB1 device plugged in
> (keyboard, mouse, joystick, USB humping dog, etc.), you get USB1
> performance out of everything. That may not be the situation with
> every hub, but the 2 I've owned were that way.
>
> On 6/20/09, Scott <skotchman at gmail.com> wrote:
>   
>> Brian Pitts wrote:
>>     
>>> On 06/20/2009 12:44 PM, Scott wrote:
>>>
>>>       
>>>> Trying out an external USB HDD enclosure to copy files from my system
>>>> and it seems to be a lot slower than I had thought. I have a new Seagate
>>>> 500GB SATA in the enclosure and I started to do a copy of my music
>>>> library consisting of about 76GB flac files. I started at 16:24
>>>> yesterday and it is now at 60GB at 12:44. Is that right? Math was never
>>>> a strong point for me.
>>>>
>>>>
>>>>         
>>> That's much too slow. Is the hard drive plugged directly in to a USB2
>>> port? I copied 60GB from a 160GB PATA drive in a USB enclosure
>>> yesterday. It took around an hour, which suggests I was transferring
>>> around 20 megabytes per second.
>>>
>>> All the best,
>>> Brian Pitts
>>> _______________________________________________
>>> Ale mailing list
>>> Ale at ale.org
>>> http://mail.ale.org/mailman/listinfo/ale
>>>
>>>
>>>       
>> It's plugged into a USB2 HUB which is on a USB2 port. Would that slow it
>> down?
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>> Ale mailing list
>> Ale at ale.org
>> http://mail.ale.org/mailman/listinfo/ale
>>
>>     
>
>   
Apparently the HUB was not working as a USB2. I bypassed the HUB and 
plugged the drive directly into the USB2 port on the MoBo, and all is good.


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