• Centos 挂载U盘


    开始

      我拿到的是一个新盘,遇到的第一个问题是插上去后centos不能识别他,使用fdsik -l也没有这个U盘的任何信息,再windows上面查看他的格式也是fat32,没有问题,于是折腾了很久后我重新把他格式化,也同样格式化为fat32,这次就能识别了。

    命令:fdisk -l (查看磁盘分区信息)

    [root@phoenix Desktop]# fdisk -l
    
    Disk /dev/sda: 32.2 GB, 32212254720 bytes
    255 heads, 63 sectors/track, 3916 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x000f2962
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sda1   *           1          26      204800   83  Linux
    Partition 1 does not end on cylinder boundary.
    /dev/sda2              26         281     2048000   82  Linux swap / Solaris
    Partition 2 does not end on cylinder boundary.
    /dev/sda3             281        3917    29203456   83  Linux
    
    Disk /dev/sdb: 31.1 GB, 31104958464 bytes
    255 heads, 63 sectors/track, 3781 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sdb1               1        3782    30371840    c  W95 FAT32 (LBA)

    通过上面通过上面信息我们可以看出USB设备是FAT32格式的,标识为/dev/sdb1

    命令:mount -t vfat /dev/sdb1 /mnt/usb(挂载U盘,注意如果是ntfs格式的话可能需要安装ntfs-3g这个插件才能执行)

    成功后就可以进入 /mnt/usb查看到U盘相应的内容了

    命令:umount /mnt/usb(卸载U盘)

    执行umount命令卸载U盘时,报如下错误“device is busy”,可以用参数l解决问题。当然你也可以用fuser命令解决问题。如下所示

    [root@wgods ~]# umount /mnt/usb
    umount: /mnt/usb: device is busy
    umount: /mnt/usb: device is busy
    
    [root@wgods ~]# umount -f /mnt/usb
    umount2: Device or resource busy
    umount: /mnt/usb: device is busy
    umount2: Device or resource busy
    umount: /mnt/usb: device is busy
    
    
    [root@wgods ~]# umount -l /mnt/usb(成功卸载)
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  • 原文地址:https://www.cnblogs.com/zzy-frisrtblog/p/5973464.html
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