To run a command as administrator (user “root”), use “sudo ”.
See “man sudo_root” for details.pop-os@pop-os:~$ lslbk
Command ‘lslbk’ not found, did you mean:
command ‘lsblk’ from deb util-linux (2.37.2-4ubuntu3)
Try: sudo apt install
pop-os@pop-os:~$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
loop0 7:0 0 3G 1 loop /rofs
sda 8:0 0 7.3T 0 disk
├─sda1 8:1 0 8G 0 part
│ └─md127 9:127 0 0B 0 md
└─sda2 8:2 0 2G 0 part
└─md126 9:126 0 0B 0 md
sdb 8:16 0 7.3T 0 disk
sdc 8:32 1 59.8G 0 disk
├─sdc1 8:33 1 59.7G 0 part
└─sdc2 8:34 1 32M 0 part /media/pop-os/Pop_OS 22.04 amd64 Nvidia
sdd 8:48 1 0B 0 disk
pop-os@pop-os:~$ sudo umount /dev/sda1
umount: /dev/sda1: not mounted.
pop-os@pop-os:~$ sudo umount /dev/sdb1
umount: /dev/sdb1: no mount point specified.
pop-os@pop-os:~$ sudo dd if=/dev/sda of=/dev/sdb conv=noerror,sync bs=4M status=progress
8001536655360 bytes (8.0 TB, 7.3 TiB) copied, 51893 s, 154 MB/s
dd: error writing ‘/dev/sdb’: No space left on device
1907721+1 records in
1907721+0 records out
8001563222016 bytes (8.0 TB, 7.3 TiB) copied, 51896.3 s, 154 MB/s
pop-os@pop-os:~$
pop-os@pop-os:~$
pop-os@pop-os:~$ sudo sfdisk -d /dev/sdb
label: gpt
label-id: 4071A906-3012-11EE-9EC2-B9204F9364FA
device: /dev/sdb
unit: sectors
first-lba: 40
last-lba: 15628053134
sector-size: 512/dev/sdb1 : start= 8192, size= 16777216, type=A19D880F-05FC-4D3B-A006-743F0F84911E, uuid=4648FF4D-FFD6-49C2-8BB7-BD93638564B5
/dev/sdb2 : start= 16785408, size= 4194304, type=A19D880F-05FC-4D3B-A006-743F0F84911E, uuid=9FE5F5D2-EF7A-426C-BB3D-704E1679D79D
pop-os@pop-os:~$
pop-os@pop-os:~$ and comparison^C
pop-os@pop-os:~$ ^C
pop-os@pop-os:~$ sudo sfdisk -d /dev/sda
label: gpt
label-id: 4071A906-3012-11EE-9EC2-B9204F9364FA
device: /dev/sda
unit: sectors
first-lba: 40
last-lba: 15628053134
sector-size: 512/dev/sda1 : start= 8192, size= 16777216, type=A19D880F-05FC-4D3B-A006-743F0F84911E, uuid=4648FF4D-FFD6-49C2-8BB7-BD93638564B5
/dev/sda2 : start= 16785408, size= 4194304, type=A19D880F-05FC-4D3B-A006-743F0F84911E, uuid=9FE5F5D2-EF7A-426C-BB3D-704E1679D79D
pop-os@pop-os:~$
SDA was the original and SDB was the new blank disk
EDIT: just noticed this
hmmm. hopefully that’s okay. same disk model and everything…