Hard drive 'forgets' content added

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benzil

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Apr 8, 2014
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Hi there,

I'm having a problem copying files to my external hard drive (Fijitsu/Siemens)formatted in NTFS, with 758 GB Free.

I complete the following process: 1. Open the hard drive

Copy a file from my computer

Paste the file onto the hard drive

The file appears to have copied to the external hard drive, as I can see it in the hard drive's explorer window.

However when I remove the hard drive from the PC, and the reattach it, the file is no longer on the hard drive.

I've waited minutes before removing the hard drive, so don't think that the computer hasn't had 'time' to copy it.

Does anyone have any thoughts what the issue might be?
 
Solution
Phillip Corcoran
Is the removal policy for that external drive set to "Quick removal" or "Better performance"?
If it's set to the latter, files are not written to it immediately even though they appear to have been written.
You must use the "Safely remove hardware" utility before unplugging the drive when it's set to "Better performance".
This tell's Windows to write any cached files to the drive before it shows you the "Safe to remove" message.

Or change the removal policy to "Quick removal" instead. Files will be written to it immediately
and you don't need to use the "Safely remove hardware" utility (but obviously you do still need to ensure that
the drive's "busy" light is not flashing before you unplug it).

Removal policy...
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Phillip Corcoran

Phillip Corcoran

Titan
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Sep 7, 2013
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Is the removal policy for that external drive set to "Quick removal" or "Better performance"?
If it's set to the latter, files are not written to it immediately even though they appear to have been written.
You must use the "Safely remove hardware" utility before unplugging the drive when it's set to "Better performance".
This tell's Windows to write any cached files to the drive before it shows you the "Safe to remove" message.

Or change the removal policy to "Quick removal" instead. Files will be written to it immediately
and you don't need to use the "Safely remove hardware" utility (but obviously you do still need to ensure that
the drive's "busy" light is not flashing before you unplug it).

Removal policy setting is in Device Manager.
Right-click the external drive and choose "Properties".
Click the tab "Policies"
Tick whichever removal policy you prefer.
Click 'OK'.
 
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