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USB backup drives dropping off Server2003

Posted on 2006-10-31
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Last Modified: 2010-04-18
one of my clients runs a simple robocopy script to backup to 2 x external USB2 hard drives attached to ML350 server running MS Server 2003 Standard SP1. Swapped weekly.

This drive shows up as E: drive on the server, however some days it simply disappears from "My Computer" and therefore the backup fails with "The system cannot find the path specified". I therefore have to unplug and replug to see the drive again. This happens on both drives so that rules out the drives or the external cases as faulty.

i keep an eye on this by scripting psinfo -d > diskspace.txt and emailing this for checking each day.

but I wondered if there a way to make the USB drive more stable?, or a script available to refresh usb devices so if they do

Thanks for any advice in advance.
best
Wilson
KJIT
Sydney
Australia




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Question by:wilsonkjit
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PatG042800 earned 500 total points
ID: 17869788
I had a similar problem on a dell server and bought an add in adaptec USB card and all is well.

http://www.adaptec.com/en-US/products/usb/adapters/AUA-4000/

The external case in use is one of these with a 300 GB Seagate SATA drive.

http://www.byteccusa.com/product/enclosure/ME-835-ISA.htm
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by:wilsonkjit
ID: 17871797
Thanks for your help Pat.
I will try a usb2.0 card.. and post results..
Thanks again..
Wilson
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by:wilsonkjit
ID: 17910871
Hey Pat
The USB drive has been stable all week thanks to the new USB2.0 expansion card. thanks for your help mate.
Case closed
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by:PatG042800
ID: 17910881
Glad to hear it. I'm curious on what brand of usb card you used. ?
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by:wilsonkjit
ID: 17910906
Comsol 5port USB2.0 PCI Adapter.
Weve used it before on all types of servers without drama.
Cheers again
Wilson



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