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Windows 7: Can we not just plug/un-plug USB 3.0 drives like we did with 2.0?

06 Jul 2013   #11
gregrocker

 

Run a Disk Check on the drive to be sure.

Sometimes a drive not detected in Explorer will be seen by Partition Wizard Home Edition or Boot CD. to run its Check File System. I have brought external HD's back to life this way. Suddenly the Autoplay box pops up: It's Aliiive!


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07 Jul 2013   #12
WBFAir

Windows 7 Ultimate 64 bit (Full)
 
 

Hey guys.

Again, thanks for all the help.

So got the whole system working last night and noticed something in regards to the eject option.

Basically most times I when I try I get messages saying things like cannot shut down the generic drive, or the was a error with ejecting the drive as it is in use, message.

Haven't wanted to mess with this too much as its actually working now, but I was able to usually if I rebooted the machine and did nothing with it really, to then be able to eject it.

But all in all, it seems often the drive has some kind of connection, which makes sense I have been corrupted things by yanking the plug.

Btw I have checked and the drive is set for quick removal in its props.

Also MilesAhead, I tried that Sync program and see it does seem to function, but seems to only be doing a flush of the C drive, least as best as I can see from the quick DOS screen flash. Again, I noticed some switches from the Microsoft page to set it up to flush a plug-in or named drive, but I have tried several configs of this but can't seem to get it to work, so if you could copy me a working shortcut string that works right for you, would greatly appreciate it.

So for this issue, again basically I had some trouble disconnecting the drive, and while I haven't tried it, I think it might be even worse now as after and this being the whole point to this machine, I then setup up the drive to be a server for media with using myPlex. So basically its shared now, and being connected full time by myPlex.

So all in all, for me is the only real best way to safely disconnect this drive is to shut down the machine?

Thanks
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07 Jul 2013   #13
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Try ejecting it from Computer ( My Computer ) it should always work from there.
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07 Jul 2013   #14
lehnerus2000

W7 Ultimate SP1, LM18 MATE, W10IP VM, W10 Home, #All 64 bit
 
 

If I change the view on folders to thumbnails (e.g. large Icons or Extra Large Icons) I have trouble ejecting my external HDDs.
Windows Explorer will not release the drive after that (sometimes running Disk Check will make it let go).

I used to be able to kill all of the Threads and Handles (using Process Explorer) and that would allow me to release my external HDDs, but even that trick doesn't work anymore.

Interestingly enough, I never have problems ejecting USB Flash sticks.
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07 Jul 2013   #15
gregrocker

 

I'm confused now: If this default setting allows USB to be unplugged safely without using "Safely Removed" what if it's in the middle of writing something? And how does this relate to write-caching?
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07 Jul 2013   #16
lehnerus2000

W7 Ultimate SP1, LM18 MATE, W10IP VM, W10 Home, #All 64 bit
 
 

"Quick removal" is the default setting.

I also find it ironic that "improved performance" can actually slow the entire operation down.
You have to use "Safely Remove" because your data may not have been written.

Quote   Quote: Originally Posted by gregrocker View Post
I'm confused now: If this default setting allows USB to be unplugged safely without using "Safely Removed" what if it's in the middle of writing something? And how does this relate to write-caching?
Logically, I assume that if you are writing a large file and you rip the USB stick out, you will get a corrupted/incomplete file.
It would be the same as turning the power off when writing files to your HDD.

I've never tried it.
Maybe you get a message and you can plug your stick back in, to complete the operation.
I suspect that you would have to copy the entire file across again (as per the "chkdsk" warning).

I guess that MS thought that people would only be writing small files (say <1 MB) to the USB drives and therefore they couldn't pull the stick out before the writing was complete.

Logically, I assume that "write-caching" creates a queue and Windows will get around to copying your files when it feels like it.
Presumably "Safely Remove" forces Windows to write the files.

That said, I don't think that there should be any problems (with either setting) unless your PC is performing lots of HDD operations and/or you run out of USB bandwidth.
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08 Jul 2013   #17
MilesAhead

Windows 7 32 bit
 
 

Quote   Quote: Originally Posted by gregrocker View Post
I'm confused now: If this default setting allows USB to be unplugged safely without using "Safely Removed" what if it's in the middle of writing something? And how does this relate to write-caching?
The hot unplug assumes you waited for disk access indications to stop.. if there are any. I have an AData USB 3 and it doesn't have the flickering LED. I leave the write-caching on. I wait for Explorer file transfer dialog to close, then hit it with sync.exe a couple of times just to be safe.

The write caching helps especially if you are writing a bunch of small files, say temp files, to the drive.

But in my opinion any disk write caching that delays the phusical writes should only be employed if you have UPS.
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 Can we not just plug/un-plug USB 3.0 drives like we did with 2.0?




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