Linux Necessity to unmount USB drives before removing it from the pc?

AffirmativeGuy

AffirmativeGuy

Apprentice
Hi, is it necessary to unmount the usb drive from a Linux based os before removing it from the pc? Because the other day I removed my pendrive without unmounting it and then when I went to use it in my windows based pc it showed the drive was corrupt and hence I lost all of my data.

Sorry for the dumb question, I am new to linux.
 
If you are sure your pen drive isnt in use then it can be hot-unplugged. Corruption occurs when someone unplugs a drive which is in use.
The unmount or unplug option in the os as well checks for the device in use by any process, file or explorer and shell.
 
I think it depends more on the Filesystem of the pendrive. NTFS is generally more resilient to corruption for hot-unpluged. As for data corruption it should have been easily recovered if it was a Filesystem corruption. It's probably your data that got corrupt because of INCOMPLETE write task in the previous system.
 
nRiTeCh said:
If you are sure your pen drive isnt in use then it can be hot-unplugged. Corruption occurs when someone unplugs a drive which is in use.
The unmount or unplug option in the os as well checks for the device in use by any process, file or explorer and shell.
Click to expand...
Well i didn't write anything on it, just that I used it to open a video file and then this problem occurred.

TechUser00 said:
I think it depends more on the Filesystem of the pendrive. NTFS is generally more resilient to corruption for hot-unpluged. As for data corruption it should have been easily recovered if it was a Filesystem corruption. It's probably your data that got corrupt because of INCOMPLETE write task in the previous system.
Click to expand...
I wasn't writing anything on it. Just used it to access a file.

Heisen said:
I always do it on hard drives, can't risk it. I like consistency so I do it on flash drives too.
Click to expand...
Now I'll always do that. Don't want to get scolding from parents .
 
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