我正在使用 Ubuntu 20.04，想使用实时 USB 驱动器对硬盘进行分区。分区时出现问题，我的计算机崩溃了。重启后，它显示磁盘已使用 70%，这是不正确的。
有没有什么方法可以修复硬盘而不用格式化整个硬盘并丢失所有数据？
编辑：输出sudo parted -l
Model: Sony Storage Media (scsi)
Disk /dev/sda: 31,0GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 31,0GB 31,0GB Ventoy msftdata
2 31,0GB 31,0GB 33,6MB fat16 VTOYEFI hidden, msftdata
Model: Generic Flash Disk (scsi)
Disk /dev/sdb: 15,7GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 32,8kB 3822MB 3822MB ISO9660 hidden, msftdata
2 3822MB 3826MB 4350kB Appended2 boot, esp
3 3826MB 3827MB 307kB Gap1 hidden, msftdata
4 3827MB 15,7GB 11,9GB ext4
Model: PC611 NVMe SK hynix 1TB (nvme)
Disk /dev/nvme0n1: 1024GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 829MB 828MB fat32 EFI system partition boot, esp
2 829MB 6198MB 5369MB fat32 Basic data partition msftres
3 6198MB 1024GB 1018GB ext4
和输出lsblk -f
NAME FSTYPE LABEL UUID FSAVAIL FSUSE% MOUNTPOINT
loop0 squashfs 0 100% /snap/bare/5
loop1 squashfs 0 100% /snap/chromium/2271
loop2 squashfs 0 100% /snap/code/117
loop3 squashfs 0 100% /snap/chromium/2295
loop4 squashfs 0 100% /snap/core22/504
loop5 squashfs 0 100% /snap/core/14399
loop6 squashfs 0 100% /snap/core18/2667
loop7 squashfs 0 100% /snap/cups/836
loop8 squashfs 0 100% /snap/core20/1778
loop9 squashfs 0 100% /snap/core22/484
loop10 squashfs 0 100% /snap/core/14447
loop11 squashfs 0 100% /snap/core20/1822
loop12 squashfs 0 100% /snap/code/118
loop13 squashfs 0 100% /snap/core18/2679
loop14 squashfs 0 100% /snap/gnome-3-26-1604/102
loop15 squashfs 0 100% /snap/gnome-3-26-1604/104
loop16 squashfs 0 100% /snap/cups/872
loop17 squashfs 0 100% /snap/gnome-3-28-1804/161
loop18 squashfs 0 100% /snap/gnome-3-28-1804/145
loop19 squashfs 0 100% /snap/gnome-3-34-1804/77
loop20 squashfs 0 100% /snap/gnome-3-34-1804/72
loop21 squashfs 0 100% /snap/gnome-3-38-2004/115
loop22 squashfs 0 100% /snap/gnome-3-38-2004/119
loop23 squashfs 0 100% /snap/gnome-42-2204/44
loop24 squashfs 0 100% /snap/gnome-42-2204/56
loop25 squashfs 0 100% /snap/gnome-system-monitor/178
loop26 squashfs 0 100% /snap/gnome-system-monitor/181
loop27 squashfs 0 100% /snap/gtk-common-themes/1534
loop28 squashfs 0 100% /snap/pdftk/9
loop29 squashfs 0 100% /snap/gtk-common-themes/1535
loop30 squashfs 0 100% /snap/snap-store/638
loop31 squashfs 0 100% /snap/snap-store/599
loop32 squashfs 0 100% /snap/spotify/58
loop33 squashfs 0 100% /snap/spotify/60
loop34 squashfs 0 100% /snap/walc/19
loop35 squashfs 0 100% /snap/xournalpp/69
loop36 squashfs 0 100% /snap/xournalpp/61
sda
├─sda1 exfat Ventoy D558-0641 23,3G 19% /media/tom/Ventoy
└─sda2 vfat VTOYEFI B228-8EFB 7,8M 76% /media/tom/VTOYEFI
sdb iso9660 Ubuntu 22.04.1 LTS amd64 2022-08-10-16-21-45-00
├─sdb1 iso9660 Ubuntu 22.04.1 LTS amd64 2022-08-10-16-21-45-00 0 100% /media/tom/Ubuntu 22.04.1 LTS amd64
├─sdb2 vfat ESP 8D6C-A9F8
├─sdb3
└─sdb4 ext4 writable cb3577c8-f301-4e8d-89c4-9073a372313f 10,2G 0% /media/tom/writable
nvme0n1
├─nvme0n1p1 vfat ESP 108E-5584 728,9M 7% /boot/efi
├─nvme0n1p2 vfat OS 6EC6-83CF
└─nvme0n1p3 ext4 UBUNTU 05d97eaa-d7b7-4f80-98e1-dca239de0c03 195,3G 47% /
但是我的磁盘是 1TB