Ubantu uses the disks tool to recover data after full formatting

Ubantu uses the disks tool to complete the formatting and then recover the data to RT. I was originally preparing to format a partition of the disk under Ubuntu. The result is that the entire disk is formatted when disks is used. The option used is: [plain] Erasure: cannot overwrite existing data (FAST) Partitions: compatible with modern computer systems and disks larger than 2 TB (GPT) results in very fast. After mounting the entire disk, It is a seemingly brand new hard disk. Remove the disk, use the hard disk seat, enter the windows system of other computers, and mount the hard disk. The system can identify the number of hard disks in the original partition. However, it is displayed as a Removable device. Right-click the disk and select Properties. An unknown device is displayed. It is preliminarily determined that the data in the hard disk is not lost. The partition table may be erased. 1. Use windows data recovery software such as easyrecovery and Diskgenius to try to recover the data. I found that neither of these software can fulfill my requirements well. 2. switch back to the ubuntu system and use the testdisk software. I am using this software to restore data on my disk. You can find testdisk In the ubuntu Software Center and click Install. Then run the command line: [html]> sudo testdisk [plain] must use sudo to start testdisk; otherwise, an error is returned. Attach a hard disk through a hard disk box. Start testdisk. A. Select create B. Select the hard disk to be restored, and select Proceed c. Select Intel d. Select Analysis e. Select Quick Search f. The software will list all partitions in your hard disk. Then, select the partition to be restored through the top and bottom keys of the keyboard direction keys, and right-click and select OK. The selected partition turns green, indicating the selected g. Select write. I personally think the partition information should be written in. H. select Quit, unmount the hard disk, and remount the hard disk to read the information in the repaired partition. Then, copy the data in the hard disk with a spare disk. I. Repeat the-h step to back up data in each partition of the disk. I don't know why, testdisk can only restore the information of one partition at the same time, so it is a pitfall. But it can be used.