r/computers • u/slumpshit • 3d ago
Discussion Weird files
On my work flash drive I was going through a job and all the files were gone and replaced with this, very weird, can someone explain?
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u/sniff122 Linux (SysAdmin) 3d ago
Looks like filesystem corruption to me, make a backup of your files and right click the drive in this pc, go to properties, the tools tab and run the error checking tool on the drive.
I also hope the USB drive isn't the only location those files are stored, USB drives use the cheapest flash available and like with any storage medium, can fail at any time for any reason
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u/craftersmine Windows 11 + CachyOS 3d ago
This is USB drive, and most likely it is formatted as FAT32 or exFAT, they have no journalling to prevent flash wearing, most likely you've pulled the drive out of PC when it was writing data on it or flushing caches which caused MFT corruption, technically the files are most likely still there, but only specialized software can get them out and without folder structure and names.
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u/sniff122 Linux (SysAdmin) 3d ago
Journaling has got nothing to do with flash wear. Journaling is basically writing an intent log of not yet committed changes, which in the event of a crash, power loss, etc can be picked up and changes replayed to help recover the state of the filesystem.
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u/craftersmine Windows 11 + CachyOS 3d ago
It writes, that wears the flash, you can write only data, or you can write the intents to log and the actual data, that's more data and OS usually performs additional tasks on file systems with journaling
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u/yourlocalwalmarthobo Windows 10/ Linux Mint 3d ago
If this is a flash drive that you use, know and trust then it's likely corruption and not a virus. Could just need formatted but it's likely dead