[SATLUG] Stopping an external hard drive

Brian McKinney mckinneyb at gmail.com
Wed Sep 17 22:24:33 CDT 2008

On Wed, Sep 17, 2008 at 10:15 PM, Alan Lesmerises
<alesmerises at satx.rr.com> wrote:
> I have an external NTFS hard-drive mounted to my system (to transfer some
> files from a Windows system), and now that I want to unmount it, I get an
> error message saying the device is busy.  When I look at the running
> processes (ps -ef), I find nothing that refers to that device (sdc1) or the
> mount point (/mnt/usb_drive).
> How can stop whatever process is making the device busy or find out what
> process is accessing that device?  I really don't want to just disconnect it
> and risk corrupting something ...

fuser will show you the PIDs of processes using a filesystem

fuser -m [NAME]

> Al Lesmerises
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