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Deducing what drive a process is coming from

lionheartednyhc

lionheartednyhc

macrumors 65816
Original poster
Is there a way to see which processes are originating from which drives? I dont think this is possible with activity monitor, unless I am missing something. I am trying to deduce the cause of my drive spinning up.
 
lionheartednyhc said:
Is there a way to see which processes are originating from which drives? I dont think this is possible with activity monitor, unless I am missing something. I am trying to deduce the cause of my drive spinning up.
Click to expand...

In a terminal window you can run
Code: 
sudo fs_usage -f filesys
and see a real-time log of every disk access along with which process/application is responsible for it. It can be a bit overwhelming to watch, but the answer you're looking for will definitely be in there.
 
Nugget said:
In a terminal window you can run
Code: 
sudo fs_usage -f filesys
and see a real-time log of every disk access along with which process/application is responsible for it. It can be a bit overwhelming to watch, but the answer you're looking for will definitely be in there.
Click to expand...

Thanks, you know what I did try that and was overwhelmed haha. Im hoping for an app or something that wont give me a headache 😛
 
Use the 'lsof' command, specifically with the '-c' flag. This will get you all files that that process has open, and that should include its executable with a full path. For example, looking for Safari:
Code: 
lsof -c Safari


Edit: Woops... misread the question, so the answer would be:
Code: 
lsof | grep '/Volumes/MOUNT_POINT' | grep '.app"
That will get you reasonably close.
 
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