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#### fist `sudo dmesg -C` to clear dmesg buffer, then insert usb
➜  ~ dmesg
[ 5636.939749] usb 3-1: new SuperSpeed USB device number 2 using xhci_hcd
[ 5636.999126] usb-storage 3-1:1.0: USB Mass Storage device detected
[ 5636.999566] scsi host6: usb-storage 3-1:1.0
[ 5636.999674] usbcore: registered new interface driver usb-storage
[ 5637.001184] usbcore: registered new interface driver uas
[ 5638.271536] scsi 6:0:0:0: Direct-Access     Samsung  Flash Drive FIT  1100 PQ: 0 ANSI: 6
[ 5638.272574] sd 6:0:0:0: Attached scsi generic sg1 type 0
[ 5638.273046] sd 6:0:0:0: [sdb] 125304832 512-byte logical blocks: (64.2 GB/59.8 GiB)
[ 5638.273500] sd 6:0:0:0: [sdb] Write Protect is off
[ 5638.273508] sd 6:0:0:0: [sdb] Mode Sense: 43 00 00 00
[ 5638.273958] sd 6:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 5638.284621]  sdb: sdb1
[ 5638.286231] sd 6:0:0:0: [sdb] Attached SCSI removable disk