第一步先查看硬盤的信息使用如下命令行

diskutil list

輸出內(nèi)容參考

/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *251.0 GB   disk0
   1:                        EFI EFI                     314.6 MB   disk0s1
   2:                 Apple_APFS Container disk1         250.7 GB   disk0s2

/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +250.7 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume Macintosh HD - 數(shù)據(jù)     184.4 GB   disk1s1
   2:                APFS Volume Preboot                 84.5 MB    disk1s2
   3:                APFS Volume Recovery                528.5 MB   disk1s3
   4:                APFS Volume VM                      3.2 GB     disk1s4
   5:                APFS Volume Macintosh HD            11.1 GB    disk1s5

/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:       Microsoft Basic Data Elements                999.8 GB   disk2s2

第二步
/dev/disk2是移動硬盤，使用掛載命令直接掛載就行如下

sudo  fsck_hfs -fy /dev/disk2
在執(zhí)行裝載命令之前先執(zhí)行上邊這行命令
sudo diskutil mount /dev/disk2

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