내 USB 플래시 드라이브(A-data UE700 64GB)가 갑자기 작동을 멈췄습니다. 나는 몇 대의 PC(각각 Linux를 사용함)에서 테스트했지만 어느 PC에서도 작동하지 않았습니다. 장치가 설치되어 있지도 않습니다. 이전에도 잘 사용되었습니다.
포맷을 해서라도 다시 사용할 수 있게 만들고 싶습니다. 이제는 장치가 /dev에 표시되지 않기 때문에 포맷할 수도 없습니다.
다음은 상황을 이해하는 데 도움이 되는 몇 가지 명령 출력입니다. 우분투 12.04를 사용하고 있습니다.
$ fdisk -l:
Disk /dev/sda: 120.0 GB, 120034123776 bytes
głowic: 255, sektorów/ścieżkę: 63, cylindrów: 14593, w sumie sektorów: 234441648
Jednostka = sektorów, czyli 1 * 512 = 512 bajtów
Rozmiar sektora (logiczny/fizyczny) w bajtach: 512 / 512
Rozmiar we/wy (minimalny/optymalny) w bajtach: 512 / 512
Identyfikator dysku: 0x000db573
Urządzenie Rozruch Początek Koniec Bloków ID System
/dev/sda1 * 2048 201062399 100530176 83 Linux
/dev/sda2 201064446 234440703 16688129 5 Rozszerzona
/dev/sda5 201064448 234440703 16688128 82 Linux swap / Solaris
UWAGA: Na '/dev/sdb' wykryto tablicę partycji GPT (GUID Partition Table)! fdisk nie obsługuje GPT. Należy użyć GNU Parteda.
Disk /dev/sdb: 500.1 GB, 500107862016 bytes
głowic: 255, sektorów/ścieżkę: 63, cylindrów: 60801, w sumie sektorów: 976773168
Jednostka = sektorów, czyli 1 * 512 = 512 bajtów
Rozmiar sektora (logiczny/fizyczny) w bajtach: 512 / 4096
Rozmiar we/wy (minimalny/optymalny) w bajtach: 4096 / 4096
Identyfikator dysku: 0x00000000
Urządzenie Rozruch Początek Koniec Bloków ID System
/dev/sdb1 1 976773167 488386583+ ee GPT
Partycja 1 nie zaczyna się na granicy bloku fizycznego.
$ ls /dev/sdc:
/dev/sdc
$ lsusb:
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 005 Device 002: ID 046d:082b Logitech, Inc.
Bus 006 Device 002: ID 125f:de7a A-DATA Technology Co., Ltd.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 046d:c05b Logitech, Inc. M-U0004 810-001317 [B110 Optical USB Mouse]
Bus 001 Device 004: ID 046d:c31c Logitech, Inc. Keyboard K120 for Business
Bus 002 Device 009: ID 125f:de7a A-DATA Technology Co., Ltd.
$ udevadm monitor --udev(드라이브를 USB 포트에 연결한 후):
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
UDEV [6624.324399] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2 (usb)
UDEV [6624.324724] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0 (usb)
UDEV [6624.324960] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/host20 (scsi)
UDEV [6624.325246] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/host20/scsi_host/host20 (scsi_host)
UDEV [6625.313486] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/host20/target20:0:0 (scsi)
UDEV [6625.313800] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/host20/target20:0:0/20:0:0:0 (scsi)
UDEV [6625.314156] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/host20/target20:0:0/20:0:0:0/scsi_disk/20:0:0:0 (scsi_disk)
UDEV [6625.314531] add /devices/virtual/bdi/8:48 (bdi)
UDEV [6625.314777] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/host20/target20:0:0/20:0:0:0/scsi_generic/sg4 (scsi_generic)
UDEV [6625.314810] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/host20/target20:0:0/20:0:0:0/scsi_device/20:0:0:0 (scsi_device)
UDEV [6625.314968] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/host20/target20:0:0/20:0:0:0/bsg/20:0:0:0 (bsg)
UDEV [6625.328241] add /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/host20/target20:0:0/20:0:0:0/block/sdd (block)
UDEV [6625.332452] change /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/host20/target20:0:0/20:0:0:0/block/sdd (block)
UDEV [6625.336298] change /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/host20/target20:0:0/20:0:0:0/block/sdd (block)