usb device connect kernel log
08-13 10:00:15.220 <4>[ 2790.586965] ==20201013==> hub_port_init 1 #0
08-13 10:00:15.220 <4>[ 2790.586974] Plug in USB Port3
08-13 10:00:15.352 <6>[ 2790.719122] usb 3-1: new high-speed USB device number 21 using xxx-ehci-3
08-13 10:00:15.562 <6>[ 2790.926317] usb 3-1: New USB device found, idVendor=152d, idProduct=0578, bcdDevice=21.01
08-13 10:00:15.562 <6>[ 2790.926327] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
08-13 10:00:15.562 <6>[ 2790.926332] usb 3-1: Product: USB to ATA/ATAPI Bridge
08-13 10:00:15.562 <6>[ 2790.926337] usb 3-1: Manufacturer: JMicron
08-13 10:00:15.562 <6>[ 2790.926891] usb 3-1: SerialNumber: 0123456789ABCDEF
08-13 10:00:15.562 <6>[ 2790.931978] usb-storage 3-1:1.0: USB Mass Storage device detected
08-13 10:00:15.569 <6>[ 2790.935871] usb-storage 3-1:1.0: Quirks match for vid 152d pid 0578: 1000000
08-13 10:00:15.569 <6>[ 2790.938142] scsi host0: usb-storage 3-1:1.0
08-13 10:00:17.705 <5>[ 2793.071286] sd 0:0:0:0: [sda] 1953525168 512-byte logical blocks: (1.00 TB/932 GiB) //名义容量/可用总容量
08-13 10:00:17.705 <5>[ 2793.071587] sd 0:0:0:0: [sda] Write Protect is off
08-13 10:00:17.705 <7>[ 2793.071595] sd 0:0:0:0: [sda] Mode Sense: 47 00 00 08
08-13 10:00:17.705 <5>[ 2793.071900] sd 0:0:0:0: [sda] Disabling FUA
08-13 10:00:17.705 <5>[ 2793.071908] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn‘t support DPO or FUA
原文：https://www.cnblogs.com/aspirs/p/15195535.html