On 7/26/07, Dotan Cohen <dotancohen@xxxxxxxxx> wrote:
I have a 2 GB Sandisk SD card that I often write to. Just today, it has started to be mounted read-only: cp: cannot create regular file `bg.jpg2': Read-only file system The read-write switch on the side of the card is set to write, and I've never had trouble with it before. So I figured that I'll be smart and man mount, in where I discovered the -w flag, but I get this error: [root@localhost ~]# mount -w /media/disk mount: /dev/sda1 already mounted or /media/disk busy mount: according to mtab, /dev/sda1 is already mounted on /media/disk So I tried unmounting it, but the device seems to be busy: [root@localhost ~]# umount /media/disk umount: /media/disk: device is busy umount: /media/disk: device is busy There are no open konqueror windows, or anything else that might be accessing the card, so far as I can tell. What must one do to either: 1) determine what is accessing the disk or 2) Force umount anyway Thanks in advance. Dotan Cohen
Try /sbin/fuser -m /media/disk. This will show all processes using device.
