我想备份我的硬盘, 使用的是dd if=/dev/sda of=/dev/sdb
.
成功之后我以第二块硬盘启动(已多次确定), 但是最后还是挂载在第一块硬盘(内部的)上. 并且拔了第二块硬盘系统还是正常运行…
请问:
- 我如何才能挂载在第二块硬盘(外部的)上?
- 如果系统挂载在第一块硬盘上, 这时把第一块硬盘拔掉, 会发生什么事?
- 我这样复制的系统是否只适用于本机(或与本机相同配置的机器), 因为Linux的固件驱动不能相容?
附信息(我装了3个系统…):
sudo fdisk -l
:
Disk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x0004cba2
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 4096 103084887 103080792 49.2G 7 HPFS/NTFS/exFAT
/dev/sda2 103086080 104855551 1769472 864M 27 Hidden NTFS WinRE
/dev/sda3 104861694 976771071 871909378 415.8G f W95 Ext'd (LBA)
/dev/sda5 104861696 396363775 291502080 139G 7 HPFS/NTFS/exFAT
/dev/sda6 396365824 591738879 195373056 93.2G 83 Linux
/dev/sda7 591749120 678856703 87107584 41.5G 83 Linux
/dev/sda8 678858752 680032255 1173504 573M 83 Linux
/dev/sda9 680042496 687855615 7813120 3.7G 82 Linux swap / Solaris
/dev/sda10 687867904 699584511 11716608 5.6G 82 Linux swap / Solaris
/dev/sda11 699586560 700364799 778240 380M 83 Linux
/dev/sda12 700366848 798021144 97654297 46.6G 83 Linux
/dev/sda13 798023680 976771071 178747392 85.2G 83 Linux
Partition 3 does not start on physical sector boundary.
Disk /dev/sdb: 1.4 TiB, 1500267937792 bytes, 2930210816 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x0004cba2
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 4096 103084887 103080792 49.2G 7 HPFS/NTFS/exFAT
/dev/sdb2 103086080 104855551 1769472 864M 27 Hidden NTFS WinRE
/dev/sdb3 104861694 976771071 871909378 415.8G f W95 Ext'd (LBA)
/dev/sdb5 104861696 396363775 291502080 139G 7 HPFS/NTFS/exFAT
/dev/sdb6 396365824 591738879 195373056 93.2G 83 Linux
/dev/sdb7 591749120 678856703 87107584 41.5G 83 Linux
/dev/sdb8 678858752 680032255 1173504 573M 83 Linux
/dev/sdb9 680042496 687855615 7813120 3.7G 82 Linux swap / Solaris
/dev/sdb10 687867904 699584511 11716608 5.6G 82 Linux swap / Solaris
/dev/sdb11 699586560 700364799 778240 380M 83 Linux
/dev/sdb12 700366848 798021144 97654297 46.6G 83 Linux
/dev/sdb13 798023680 976771071 178747392 85.2G 83 Linux
sudo df
:
Filesystem 1K-blocks Used Available Use% Mounted on
udev 3870020 0 3870020 0% /dev
tmpfs 776252 9764 766488 2% /run
/dev/sda7 42607996 9713060 30700864 25% /
tmpfs 3881260 110052 3771208 3% /dev/shm
tmpfs 5120 4 5116 1% /run/lock
tmpfs 3881260 0 3881260 0% /sys/fs/cgroup
/dev/sda13 87840040 44380972 38974000 54% /home
tmpfs 776252 20 776232 1% /run/user/120
tmpfs 776252 60 776192 1% /run/user/1001
/dev/sdb12 47928980 12048496 33422744 27% /media/ycs/374e574d-55f1-469e-9045-408b11e6fa71
/dev/sdb5 145751036 59822632 85928404 42% /media/ycs/User
/dev/sdb8 561124 53148 466908 11% /boot
/dev/sdb11 368615 115445 229618 34% /media/ycs/5c465bb8-932b-43a7-84d5-dbf0475d11da
/dev/sdb6 95627684 251476 90475500 1% /media/ycs/5e987442-1509-45a1-8a8f-caeba44bd371
/dev/sdb1 51540392 45120288 6420104 88% /media/ycs/System