linux下挂载和卸载cdrom

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1.查询块设备及mount位置

[root@slave143 ~]# lsblk

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sr0 11:0 1 3.6G 0 rom #type=rom表示sr0为 cdrom设备，目前没有mount
sda 8:0 0 100G 0 disk
├─sda1 8:1 0 500M 0 part /boot
└─sda2 8:2 0 99.5G 0 part
├─VolGroup-lv_root (dm-0) 253:0 0 50G 0 lvm /
├─VolGroup-lv_swap (dm-1) 253:1 0 3.9G 0 lvm [SWAP]
└─VolGroup-lv_home (dm-2) 253:2 0 45.6G 0 lvm /home

2.挂载cdrom设备sr0

[root@slave143 /]# mount /dev/sr0 /mnt

mount: block device /dev/sr0 is write-protected, mounting read-only

3.查询挂载结果

[root@slave143 /]# lsblk

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sr0 11:0 1 3.6G 0 rom /mnt#cdrom已经挂载到/mnt
sda 8:0 0 100G 0 disk
├─sda1 8:1 0 500M 0 part /boot
└─sda2 8:2 0 99.5G 0 part
├─VolGroup-lv_root (dm-0) 253:0 0 50G 0 lvm /
├─VolGroup-lv_swap (dm-1) 253:1 0 3.9G 0 lvm [SWAP]
└─VolGroup-lv_home (dm-2) 253:2 0 45.6G 0 lvm /home

4.卸载cdrom

[root@slave143 /]# umount /dev/sr0

[root@slave143 /]#

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