dmesg | tail -n 20 sd 0:0:0:0: Attached scsi removable disk sda usb 4-3: USB disconnect, address 3 usb 4-3: new high speed USB device using ehci_hcd and address 4 usb 4-3: configuration #1 chosen from 1 choice scsi1 : SCSI emulation for USB Mass Storage devices usb-storage: device found at 4 usb-storage: waiting for device to settle before scanning Vendor: JetFlash Model: TS2GJFV20 Rev: 0.00 Type: Direct-Access ANSI SCSI revision: 02 SCSI device sda: 4030464 512-byte hdwr sectors (2064 MB) sda: Write Protect is off sda: Mode Sense: 00 00 00 00 sda: assuming drive cache: write through SCSI device sda: 4030464 512-byte hdwr sectors (2064 MB) sda: Write Protect is off sda: Mode Sense: 00 00 00 00 sda: assuming drive cache: write through sda: sda1 sd 1:0:0:0: Attached scsi removable disk sda usb-storage: device scan complete