mount | grep sdb /dev/sdb1 on /media/usb0 type vfat (rw,nodev,noexec,noatime,nodiratime,sync,gid=46,fmask=0000,dmask=0000,allow_utime=0022,codepage=437,iocharset=utf8,shortname=mixed,flush,errors=remount-ro) dmesg | grep sdb [ 2.459327] sd 6:0:0:0: [sdb] 15645120 512-byte logical blocks: (8.01 GB/7.45 GiB) [ 2.459938] sd 6:0:0:0: [sdb] Write Protect is off [ 2.459945] sd 6:0:0:0: [sdb] Mode Sense: 03 00 00 00 [ 2.460565] sd 6:0:0:0: [sdb] No Caching mode page present [ 2.460937] sd 6:0:0:0: [sdb] Assuming drive cache: write through [ 2.464090] sd 6:0:0:0: [sdb] No Caching mode page present [ 2.464460] sd 6:0:0:0: [sdb] Assuming drive cache: write through [ 2.466086] sdb: sdb1 [ 2.468314] sd 6:0:0:0: [sdb] No Caching mode page present [ 2.468673] sd 6:0:0:0: [sdb] Assuming drive cache: write through [ 2.469041] sd 6:0:0:0: [sdb] Attached SCSI removable disk [ 9.251995] FAT-fs (sdb1): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive! [ 9.284949] FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 87.180576] sd 7:0:0:0: [sdb] 15645120 512-byte logical blocks: (8.01 GB/7.45 GiB) [ 87.181155] sd 7:0:0:0: [sdb] Write Protect is off [ 87.181161] sd 7:0:0:0: [sdb] Mode Sense: 03 00 00 00 [ 87.181820] sd 7:0:0:0: [sdb] No Caching mode page present [ 87.181829] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 87.184917] sd 7:0:0:0: [sdb] No Caching mode page present [ 87.184924] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 87.186194] sdb: sdb1 [ 87.190163] sd 7:0:0:0: [sdb] No Caching mode page present [ 87.190171] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 87.190178] sd 7:0:0:0: [sdb] Attached SCSI removable disk [ 87.580097] FAT-fs (sdb1): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive! [ 87.584114] FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 208.899454] sd 8:0:0:0: [sdb] 15645120 512-byte logical blocks: (8.01 GB/7.45 GiB) [ 208.900240] sd 8:0:0:0: [sdb] Write Protect is off [ 208.900246] sd 8:0:0:0: [sdb] Mode Sense: 03 00 00 00 [ 208.900827] sd 8:0:0:0: [sdb] No Caching mode page present [ 208.900835] sd 8:0:0:0: [sdb] Assuming drive cache: write through [ 208.905082] sd 8:0:0:0: [sdb] No Caching mode page present [ 208.905091] sd 8:0:0:0: [sdb] Assuming drive cache: write through [ 208.906356] sdb: sdb1 [ 208.910328] sd 8:0:0:0: [sdb] No Caching mode page present [ 208.910337] sd 8:0:0:0: [sdb] Assuming drive cache: write through [ 208.910343] sd 8:0:0:0: [sdb] Attached SCSI removable disk [ 209.282749] FAT-fs (sdb1): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive! [ 209.286702] FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.