vfat

msdos

vfat on an USB 1GB MP4 player

/etc/fstab

/dev/MP4-ROCKCHIP    /mnt/MP4-ROCKCHIP    vfat    user,gid=100,umask=027,iocharset=utf8    0 0

fsck.vfat (dosfsck)

$ fsck.vfat -nvV /dev/MP4-ROCKCHIP

dosfsck 2.11 (12 Mar 2005)
dosfsck 2.11, 12 Mar 2005, FAT32, LFN
Checking we can access the last sector of the filesystem
There are differences between boot sector and its backup.
Differences: (offset:original/backup)
  65:01/00
  Not automatically fixing this.
Boot sector contents:
System ID "MSDOS5.0"
Media byte 0xf8 (hard disk)
       512 bytes per logical sector
      4096 bytes per cluster
        36 reserved sectors
First FAT starts at byte 18432 (sector 36)
         2 FATs, 32 bit entries
   1004544 bytes per FAT (= 1962 sectors)
Root directory start at cluster 2 (arbitrary size)
Data area starts at byte 2027520 (sector 3960)
    251025 data clusters (1028198400 bytes)
63 sectors/track, 255 heads
         0 hidden sectors
   2012160 sectors total
Starting check/repair pass.
Checking for unused clusters.
Checking free cluster summary.
Starting verification pass.
Checking for unused clusters.
/dev/MP4-ROCKCHIP: 0 files, 2/251025 clusters

$ fsck.vfat -aV /dev/MP4-ROCKCHIP

dosfsck 2.11, 12 Mar 2005, FAT32, LFN
There are differences between boot sector and its backup.
Differences: (offset:original/backup)
  65:01/00
  Not automatically fixing this.
Starting check/repair pass.
Starting verification pass.
/dev/MP4-ROCKCHIP: 0 files, 2/251025 clusters
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