插入移动硬盘步骤( LVM 分区方式):
1、插入移动硬盘。
2、执行 vgs ,查看卷组名称,如 ” vg_backup ” :
[root@host ~]# vgs VG #PV #LV #SN Attr VSize VFree vg_backup 1 1 0 wzx-n- 2.00T 10.23G
3、vgimport vg_backup :
[root@host ~]# vgimport vg_backup Volume group "vg_backup" successfully imported
4、vgchange -ay vg_backup :
[root@host ~]# vgchange -ay vg_backup 1 logical volume(s) in volume group "vg_backup" now active
5、执行 lvs ,查看逻辑卷的名称,如 “ lv_backup ” :
[root@host ~]# lvs LV VG Attr LSize Origin Snap% Move Log Copy% Convert lv_backup vg_backup -wi-a- 1.99T
6、挂载:
[root@host ~]# mkdir /mnt/vg [root@host ~]# mount /dev/vg_backup/lv_backup /mnt/vg/
7、查看和访问移动硬盘:
[root@host ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 49G 9.9G 37G 22% / /dev/sda3 850G 68G 739G 9% /data /dev/sda1 190M 22M 159M 12% /boot tmpfs 16G 84K 16G 1% /dev/shm /dev/mapper/vg_backup-lv_backup 2.0T 1.6T 299G 85% /mnt/vg [root@host ~]# cd /mnt/vg
拔出移动硬盘步骤( LVM 分区方式):
1、umount /mnt/vg :
[root@host ~]# umount /mnt/vg
2、vgchange -an vg_backup :
[root@host ~]# vgchange -an vg_backup 0 logical volume(s) in volume group "vg_backup" now active
3、vgexport vg_backup :
[root@host ~]# vgexport vg_backup Volume group "vg_backup" successfully exported [root@host ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 49G 9.9G 37G 22% / /dev/sda3 850G 68G 739G 9% /data /dev/sda1 190M 22M 159M 12% /boot tmpfs 16G 84K 16G 1% /dev/shm
4、拔出移动硬盘。
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