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Is it safe to use Offline of Disk Management to disconnet a USB drive that don't want to eject the any other way

Is using the 'right-click >> Offline' option in Disk Management safe to disconnect frustrated USB drives that don't want to eject successfully?

EE assisted us in various methods in working with this problem (see link)

(Please note, we are not loking for other ways to disconnet a USB, we already have thos methods)
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rayluvs
Asked:
rayluvs
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4 Solutions
 
John HurstBusiness Consultant (Owner)Commented:
It does not do the same thing. So that is, using to eject a USB key does not protect the USB or the port against damage from ejecting a live USB.

On Windows 8 and Windows 10, I eject, wait a few seconds and eject again.

USB keys are cheap, so I replace troublesome ones.

Windows 10 is better than Windows 8 in this regard.
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rayluvsAuthor Commented:
Yes, we are aware it does not do the same thing and everything else your entry.  But staying on the topic, is it safe to use Disk Management >> Offline >> Eject?
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John HurstBusiness Consultant (Owner)Commented:
The Offline setting does not affect the hardware setting for the USB port. So it is not as safe as Eject.
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rayluvsAuthor Commented:
Trying to understand why is not as safe as eject.  Last night a colleague almost convince us that placing a disk to Offline is basically a safe method of forcing a dismount if all else fails.
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John HurstBusiness Consultant (Owner)Commented:
Put a USB drive in and ensure it works.

Place the disk offline, and the place online. You should still be able to use the USB key.

Leave the USB Key in place. Now Eject it. Try to use it. You cannot. You have to remove the key and reinsert it. Eject turns off the USB until the device is removed.

Offline is not meant to replace Eject.
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rayluvsAuthor Commented:
What does offline do then?
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John HurstBusiness Consultant (Owner)Commented:
It does what it says: Makes the drive inaccessible - but does not turn the drive off.

You are asking why an apple is not an orange.
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nobusCommented:
it is safe to remove any usb device if it is not active
this means no R/W activity on it
in most cases, this is obtained by waiting a minute
if the acivity continues  -you have to check what software is using it in disk management
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rayluvsAuthor Commented:
Sorry for the delay.

Yes, that is what we saw.  When we 'Offline' an external drive, the drive letters disappear, so we assumed there is no R/W activity on it.

Ok, just FYI:
  • we are referring to USB drives, that is, hard disk drives (250GB, 500GB, 1TB, 2TB, 3TB) installed in an external case connected via USB to a computer.  
  • Our problem with USB sticks (8GB, 16GB, 32GB).  Also, we have made sure all our USB drives are set in Device manager as "Quick removal".

The problem:
  • Our USB drives, at random, not every time, when we click and "eject" the drive, it doesn't "safely removes" it and gives the error "Windows is unable to stop the device...".

This question we placed here is not to solve our "Windows is unable to stop the device..." problem, we already have a series of troubleshooting that inclusively EE has also assisted us in.  We are still working tro see why this happens.  However, we have noticed that when we "Offline" the drive when it keeps givings us the error "Windows is unable to stop the device...", the drives disappears and we assume that we can disconnected from the computer.

To our understanding,
  • "Offline' is like unmounting the drives, but does not power off the unit
  • "Safely Remove Drive" (or "Eject" option on te bottom right corner ofthe screen) will sync the device, unmount it and then power it down.

All the above said, what is EE advice in our assertion that when a USB drive doesn't want to be "Safely Removed", is using the 'right-click >> Offline' option in Disk Management safe?
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nobusCommented:
you can try the safely remove software :  http://safelyremove.com/?pid=1
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John HurstBusiness Consultant (Owner)Commented:
Offline makes no difference to safe removal and if third party software does not help you, then you may need to consider that the keys may be bad.

Do you always try a second removal, as that often works.
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rayluvsAuthor Commented:
Please provide a straight forward answer.

When all else fails to safely remove a USB drive, is it safe place the USB drive Offline and disconnect?
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John HurstBusiness Consultant (Owner)Commented:
is it safe place the USB drive Offline and disconnect?   NO.

Offline does nothing about the electrical safety issue.

NO it does not work. You CANNOT use this.

Have I now been clear enough?
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rayluvsAuthor Commented:
Yes! Finally! Thanx!

Seeing your comment "Offline does nothing about the electrical safety issue", are you saying that even if 'Offline' unmounts the drive, closes it's volume, etc., the fact the the drive is still running, we might lose data if we disconnect from the computer?  (remember that our question is based on 'When all else fails to safely remove a USB drive')
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John HurstBusiness Consultant (Owner)Commented:
Pulling a USB device out under load can damage the USB port. It is not about just losing data.
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rayluvsAuthor Commented:
Ooof! Not good, seems we have no options...

You have seen our previous thread on the topic, and all discussed here; what is your recommendations if all else fails to safely remove a USB drive?
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John HurstBusiness Consultant (Owner)Commented:
On my computers (and I do not want to damage them), on the (rare) occasion a drive will not quit, I shut the machine down, remove it, and start up.
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rayluvsAuthor Commented:
Yes that's it, there is no way around it.

Thank you
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John HurstBusiness Consultant (Owner)Commented:
You are very welcome, of course. I was happy to work with you to a conclusion here.
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nobusCommented:
did you look at the safelyremove software i referred to?
it helps in many ways for such problems
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rayluvsAuthor Commented:
yes, same problem (sorry didn't give u feedback at the time)
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nobusCommented:
that's possible - but you have to contact their help desk then
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