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pvcreate 失败，显示 "Can't' not open <device>.Mounted filesystem?"

Solution In Progress - Updated -

Issue

  • pvcreate 出现一个错误：

    # pvcreate /dev/mapper/mpath1
    Can't open /dev/mapper/mpath1 exclusively.  Mounted  filesystem?

  • 对于 vgcreate，也会显示以下错误消息：

    # vgcreate vg1 /dev/mapper/mpath1
    Can't open /dev/mapper/mpath1 exclusively.  Mounted filesystem?
    Unable to add physical volume '/dev/mapper/mpath1' to volume group 'vg1'.

Environment

  • Red Hat Enterprise Linux (RHEL) 4, 5, 6, 7
  • LVM2
    • 使用 pvcreate 创建一个物理卷

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