FAT32 USB flash drives mounted in Linux

Steps 1: Insert the USB flash disk into the USB interface and check whether it is inserted. 2: run the fdisk command to check the partition and USB device information. [root @ wgods ~] # Fdisk-lDisk/dev/sda: 1000.2 GB, 1000204886016bytes255hea... steps 1: Insert the USB flash disk into the USB interface and check whether it is inserted. 2: run the fdisk command to check the partition and USB device information. [root @ wgods ~] # Fdisk-l Disk/dev/sda: 1000.2 GB, 1000204886016 bytes255 heads, 63 sectors/track, 121601 cylindersUnits = cylinders of 16065*512 = 8225280 bytes Device Boot Start End Blocks Id System/dev/sda1 * 1 13 104391 83 Linux/dev/sda2 14 121601 976655610 8e Linux LVM Disk/ dev/sdb: 4012 MB, 4012900352 bytes223 heads, 55 sectors/track, 639 cylindersUnits = cylinders of 12265*512 = 6279680 bytes Device Boot Start End Blocks Id System/dev/sdb1 * 56 640 3580928 c W95 FAT32 (LBA) Partition 1 has different physical/logical beginnings (non-Linux ?): Phys = (42, 17, 40) logical = (55, 23, 1) Partition 1 has different physical/logical endings: phys = (487,222, 55) logical = (639, 6, 31) we can see from the above information that the USB device is in FAT32 format and is identified as/dev/sdb1 [root @ wgods ~] # Fdisk-l | grep FAT32/dev/sdb1 * 56 640 3580928 c W95 FAT32 (LBA) 3: Create a usb directory in the mnt Directory [root @ wgods ~] # Cd/mnt/[root @ wgods mnt] # mkdir usb 4: mount the usb flash disk [root @ wgods mnt] # mount-t vfat/dev/sdb1/mnt/usb after mounting the disk, we can see the relevant content under/mount/usb. 5: When detaching a USB flash drive and executing the umount command, the following error "device is busy" is reported. you can use parameter l to solve the problem. You can also use the fuser command to solve the problem. [Root @ wgods ~] # Umount/mnt/usbumount:/mnt/usb: device is busyumount:/mnt/usb: device is busy [root @ wgods ~] # Umount-f/mnt/usbumount2: Device or resource busyumount:/mnt/usb: device is busyumount2: Device or resource busyumount:/mnt/usb: device is busy [root @ wgods ~] # Umount-l/mnt/usb problem solving [root @ wgods usb] # umount/mnt/usbumount:/mnt/usb: device is busyumount:/mnt/usb: device is busy [root @ wgods usb] # fuser-m/mnt/usb: 21123c 21158c 21180c 21182c 21223c [root @ wgods usb] # ps-auxw | grep 21123 Warning: bad syntax, perhaps a bogu '-'? See/usr/share/doc/procps-3.2.7/FAQroot 21123 0.0 0.0 3784 672 pts/2 T more 12. sqlroot 21346 0.0 0.0 3920 pts/2 S + grep 696 [root @ wgods usb] # fuser-kvm/mnt/usb user pid access command/mnt/usb: root 21123 f. c .. moreroot 21158 .. c .. manroot 21180 .. c .. shroot 21182 .. c .. lessroot 21223 .. c .. bash [etl @ wgods ~] $ Umount/mnt/usbumount:/mnt/usb is not in the fstab (and you are not root) [etl @ wgods ~] $ Su-rootPassword: [root @ wgods ~] # Umount/mnt/usb 6: delete the usb Directory [root @ wgods ~] # Umount-l/mnt/usb [root @ wgods ~] # Rm-rf/mnt/usb Note: Sometimes the Chinese file name and directory name may be garbled during mounting. to avoid this problem, you can specify the character set by running the following command: [root @ wgods ~] # Mount-t vfat-o iocharset = utf8, codepage = uft8/dev/sdb1/mnt/usb [root @ wgods ~] # Mount-t vfat-o iocharset = cp936, codepage = 936/dev/sdb1/mnt/usb note: cp936 refers to simplified Chinese and cp950 refers to traditional Chinese. Source http://www.cnblogs.com/kerrycode/archive/2013/04/01/2993744.html