我正在尝试从新计算机读取我的旧加密硬盘（应该是整个原始 LVM 分区）。
我已经脱离了之前的案例，并将硬盘放在了 USB 读卡器上。
输入正确的关键字后我得到：
Error mounting /dev/dm-3 at /media/XXXX/multidata: Command-line `mount -t "ext4" -o "uhelper=udisks2,nodev,nosuid" "/dev/dm-3" "/media/XXXX/multidata"' exited with non-zero exit status 32: mount: wrong fs type, bad option, bad superblock on /dev/mapper/luks-a78ea70e-7a04-4a43-bc85-f85913759553,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
并dmesg | tail说
[ 5155.229650] EXT4-fs (dm-3): bad geometry: block count 488378126 exceeds size of device (488378125 blocks)
sudo lsblk说：
sudo lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 477G 0 disk
├─sda1 8:1 0 512M 0 part /boot/efi
├─sda2 8:2 0 244M 0 part /boot
└─sda3 8:3 0 476,2G 0 part
└─sda3_crypt (dm-0) 252:0 0 476,2G 0 crypt
├─mint--vg-root (dm-1) 252:1 0 468,3G 0 lvm /
└─mint--vg-swap_1 (dm-2) 252:2 0 7,9G 0 lvm [SWAP]
sdb 8:16 0 1,8T 0 disk
└─sdb1 8:17 0 1,8T 0 part
└─luks-a78e170e-7a04-4a43-bc85-f85913759553 (dm-3) 252:3 0 1,8T 0 crypt
sudo tune2fs -l /dev/mapper/luks-a78ea70e-7a04-4a43-bc85-f85913759553
tune2fs 1.42.9 (4-Feb-2014)
Filesystem volume name: multidata
Last mounted on: /media/XXXX/multidata
Filesystem UUID: e6e63e8c-4b33-4f7f-8ccf-38bc91d7e771
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
Filesystem flags: signed_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 122101760
Block count: 488378126
Reserved block count: 24418906
Free blocks: 239441082
Free inodes: 121146669
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 907
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8192
Inode blocks per group: 512
Flex block group size: 16
Filesystem created: Tue Jun 11 17:51:45 2013
Last mount time: Tue Mar 14 09:17:58 2017
Last write time: Tue Mar 14 16:21:29 2017
Mount count: 493
Maximum mount count: -1
Last checked: Tue Jun 11 17:51:45 2013
Check interval: 0 (<none>)
Lifetime writes: 1289 GB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 28
Desired extra isize: 28
Journal inode: 8
Default directory hash: half_md4
Directory Hash Seed: 58a0d9bc-ec39-4af4-8a79-59d386a867ba
Journal backup: inode blocks
看来磁盘没有问题，但我仍然无法读取它。有什么建议吗？