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ubuntu 14.04 未检测到外部硬盘 ext4

tag-icon • tag-icon 14.04 external-hdd ext4 format detect
ubuntu 14.04 未检测到外部硬盘 ext4

我有一个 3TB 的外置硬盘，我使用 gparted 将其格式化为 ext4。现在当我将其插入笔记本电脑时，ubuntu 根本检测不到它。这是 fdisk 的输出

    sudo fdisk -l

    Disk /dev/sda: 120.0 GB, 120034123776 bytes
    255 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x000df52a

    Device Boot      Start         End      Blocks   Id  System
    /dev/sda1   *        2048   226254847   113126400   83  Linux
    /dev/sda2       226256894   234440703     4091905    5  Extended
    /dev/sda5       226256896   234440703     4091904   82  Linux swap

dmesg | tail -n 20 输出

    dmesg | tail -n 20
    [106774.182191] usb 4-4: Product: Elements 107C
    [106774.182195] usb 4-4: Manufacturer: Western Digital
    [106774.182198] usb 4-4: SerialNumber: 574D43344E3045383039544E
    [106774.182536] usb-storage 4-4:1.0: USB Mass Storage device detected
    [106774.183401] scsi7 : usb-storage 4-4:1.0
    [106775.181274] scsi 7:0:0:0: Direct-Access     WD       Elements 107C    1065 PQ: 0 ANSI: 6
    [106775.181741] sd 7:0:0:0: Attached scsi generic sg2 type 0
    [106775.187553] sd 7:0:0:0: [sdb] Spinning up disk...
    [106776.188533] .........ready
    [106784.390768] sd 7:0:0:0: [sdb] 732558336 4096-byte logical blocks: (3.00 TB/2.72 TiB)
    [106784.391090] sd 7:0:0:0: [sdb] Write Protect is off
    [106784.391095] sd 7:0:0:0: [sdb] Mode Sense: 53 00 10 08
    [106784.391344] sd 7:0:0:0: [sdb] No Caching mode page found
    [106784.391348] sd 7:0:0:0: [sdb] Assuming drive cache: write through 
    [106784.391968] sd 7:0:0:0: [sdb] 732558336 4096-byte logical blocks: (3.00 TB/2.72 TiB)
    [106784.527729]  sdb: sdb1
    [106784.529341] sd 7:0:0:0: [sdb] 732558336 4096-byte logical blocks: (3.00 TB/2.72 TiB)
    [106784.556111] sd 7:0:0:0: [sdb] Attached SCSI disk
    [106786.598431] EXT4-fs (sdb1): mounted filesystem with ordered data mode. Opts: (null)
    [106798.837322] usb 4-4: USB disconnect, device number 3

lsusb 输出

    lsusb

    Bus 002 Device 003: ID 04f2:b2e1 Chicony Electronics Co., Ltd 
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate   Matching Hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
    Bus 001 Device 003: ID 0489:e032 Foxconn / Hon Hai 
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 001 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 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

我能做些什么来修复这个问题吗？

答案1

只需使用 umount 命令即可

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