强制安装无法识别的外部磁盘

我最近购买了一个4 TB裸露（无机箱）外部硬盘驱动器，该硬盘驱动器是通过Newer Tech扩展坞安装的（将裸驱动器像面包一样插入烤面包机中），并通过FireWire 800连接到MacBook Pro。

大约一个月后，我想使用该驱动器，但该驱动器无法挂载。

磁盘实用程序报告它“未安装”。

当我连接驱动器时，我得到以下信息：

您插入的磁盘无法被该计算机读取。

所以我尝试了终端命令，例如：

diskutil list

产生这个：

我也尝试过：

mount force /dev/disk3

并得到：

mount: You must specify a filesystem type with -t.

接着：

mount force -t Apple_HFS /dev/disk3

输出：

usage: mount [-dfruvw] [-o options] [-t external_type] special node
   mount [-adfruvw] [-t external_type]
   mount [-dfruvw] special | node

我也尝试过：

diskutil repairVolume /dev/disk3

这回馈：

Error starting file system repair for disk3: Unrecognized file system (-69846)

最后：

sudo gpt -r show /dev/disk3

返回：

我很茫然，有人可以给我一些有关如何安装此驱动器的建议吗？

就在我要放弃驱动器，格式化驱动器并丢失数据时，我能够以某种方式修复驱动器，因此我将在终端中发布的操作完全发布给了其他可能会遇到此问题并获得帮助的人。同样的问题。我希望这对某人有帮助：

Admins-MacBook-Pro:~ admin$ diskutil mount /dev/disk3
Volume on disk3 failed to mount; if it has a partitioning scheme, use "diskutil mountDisk"
If the volume is damaged, try the "readOnly" option
If the volume is an APFS Volume, try the "diskutil apfs unlockVolume" verb
Admins-MacBook-Pro:~ admin$ mount force /dev/disk3
mount: You must specify a filesystem type with -t.
Admins-MacBook-Pro:~ admin$ mount -t /dev/disk3
Admins-MacBook-Pro:~ admin$ mount force -t /dev/disk3
usage: mount [-dfruvw] [-o options] [-t external_type] special node
       mount [-adfruvw] [-t external_type]
       mount [-dfruvw] special | node
Admins-MacBook-Pro:~ admin$ mount -t force /dev/disk3
usage: mount [-dfruvw] [-o options] [-t external_type] special node
       mount [-adfruvw] [-t external_type]
       mount [-dfruvw] special | node
Admins-MacBook-Pro:~ admin$ diskutil verifyDisk /dev/disk3
Nonexistent, unknown, or damaged partition map scheme
If you are sure this disk contains a (damaged) APM, MBR, or GPT partition
scheme, you might be able to repair it with "diskutil repairDisk /dev/disk3"
Admins-MacBook-Pro:~ admin$ diskutil repairDisk /dev/disk3
Nonexistent, unknown, or damaged partition map scheme
If you are sure this disk contains a (damaged) APM, MBR, or GPT partition map,
you can hereby try to repair it enough to be recognized as a map; another
"diskutil repairDisk /dev/disk3" might then be necessary for further repairs
Proceed? (y/N) y
Partition map repair complete; you might now want to repeat the
verifyDisk or repairDisk verbs to perform further checks and repairs
Admins-MacBook-Pro:~ admin$ diskutil repairDisk /dev/disk3
Repairing the partition map might erase disk3s1, proceed? (y/N) y
Started partition map repair on disk3
Checking prerequisites
Checking the partition list
Adjusting partition map to fit whole disk as required
Checking for an EFI system partition
Checking the EFI system partition's size
Checking the EFI system partition's file system
Checking the EFI system partition's folder content
Checking all HFS data partition loader spaces
Checking booter partitions
Reviewing boot support loaders
Checking Core Storage Physical Volume partitions
Updating Windows boot.ini files as required
The partition map appears to be OK
Finished partition map repair on disk3
Admins-MacBook-Pro:~ admin$

因为我已经在阳光下尝试了几乎所有的终端线路，所以我认为关键是其工作的顺序，即：

mount -t /dev/disk3
mount force -t /dev/disk3
diskutil verifyDisk /dev/disk3
diskutil repairDisk /dev/disk3
diskutil repairDisk /dev/disk3

几天前，当我听到尝试验证verifyDisk和repairDisk的消息时，它没有起作用，但是以这种方式，它能够修复分区图

谢谢所有尝试帮助我的人。我很高兴能恢复我的数据;）