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USB Drive will not eject.

Posted on 2012-03-29
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Last Modified: 2012-08-13
i have a client that their USB drives will not eject from the server, it reports that the drives are busy and cannot be ejected.  Even after a fresh reboot.  I can't tell what is using the drives.
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Question by:acmesupport
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10 Comments
 
LVL 39

Expert Comment

by:Philip Elder
ID: 37783308
In Disk Management on the host right click on the root and set them to OFFLINE first. Wait until they stop blinking.

You can then eject them.

BTW, performance caching is disabled by default on Windows Server. Fast Swap is the default so those drives should be able to be swapped with no issues (depending on what is being done on them of course).

Philip
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Author Comment

by:acmesupport
ID: 37783576
Will I have to go though this all the time when I want to swap them?
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LVL 39

Expert Comment

by:Philip Elder
ID: 37783603
What are they being used for?

Philip
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Author Comment

by:acmesupport
ID: 37783606
Nightly Backups, swapped out weekly.
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LVL 39

Expert Comment

by:Philip Elder
ID: 37783617
What backup product? If not Windows Server Backup then check into the product's KBs to see if there are any issues with USB.

Philip
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Author Comment

by:acmesupport
ID: 37783623
It's Macrium Reflect.  I run this software on many servers with USB drives and this does not happen, in fact it was not happening on this server until recently.
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LVL 8

Accepted Solution

by:
ConUladh earned 2000 total points
ID: 37784214
Try uninstalling the USB drive from device manager, unplug, replug and allow to reinstall.

Also use sysinternals processexplorer to determine whether there are any locks.
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Author Comment

by:acmesupport
ID: 37787436
OK, great.  I uninstalled and reinstalled the drive.  No change there.  I downloaded process explorer and forgive me, its been a while since I used it, how do I tell what is using the USB drive?
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LVL 8

Expert Comment

by:ConUladh
ID: 37789320
CTRL+F (or Find -> Handle or DLL), then enter the drive letter of the usb drive and search, e.g. F:\
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Author Comment

by:acmesupport
ID: 37789382
Very good, it was a Quckbooks Monitoring System.  Thanks!!
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