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pi@raspberrypi:~ $ sudo fsck.vfat /dev/sda1 -a -t -v
fsck.fat 3.0.27 (2014-11-12)
Checking we can access the last sector of the filesystem
Boot sector contents:
System ID ""
Media byte 0xf8 (hard disk)
       512 bytes per logical sector
     32768 bytes per cluster
      4500 reserved sectors
First FAT starts at byte 2304000 (sector 4500)
         2 FATs, 32 bit entries
    945152 bytes per FAT (= 1846 sectors)
Root directory start at cluster 2 (arbitrary size)
Data area starts at byte 4194304 (sector 8192)
    236160 data clusters (7738490880 bytes)
63 sectors/track, 255 heads
      8192 hidden sectors
  15122432 sectors total

Code: Select all

pi@raspberrypi:~ $ sudo fsck.vfat /dev/sdb1 -a -t -v
fsck.fat 3.0.27 (2014-11-12)
Checking we can access the last sector of the filesystem
Boot sector contents:
System ID ""
Media byte 0xf8 (hard disk)
       512 bytes per logical sector
     32768 bytes per cluster
      4398 reserved sectors
First FAT starts at byte 2251776 (sector 4398)
         2 FATs, 32 bit entries
    971264 bytes per FAT (= 1897 sectors)
Root directory start at cluster 2 (arbitrary size)
Data area starts at byte 4194304 (sector 8192)
    242688 data clusters (7952400384 bytes)
63 sectors/track, 255 heads
      8192 hidden sectors
  15540224 sectors total