3
votes
3answers
93 views

Syncing dm-crypted drives?

I have 2 usb sticks, 8GB each: usb1 = /dev/sdb usb2 = /dev/sdc usb1 is a full dm-crypted drive and I am currently using usb2 as a backup, just incase usb1 fails. I am cloning usb1 to usb2 using ...
1
vote
2answers
76 views

Cloning with DD command

How can I back-up a partition (not the whole disk) to another partition on an external hard-disk using DD? I achived this with the following command: sudo dd if=/dev/sda6 of=/dev/sdb3 bs=1M ...
1
vote
1answer
77 views

How to make a pendrive snapshot

I am building a NAS server with Ubuntu Server 12.04 on an old laptop and am very happy with it. The OS is installed on a 8Gb pendrive (the swap partition and grub are also installed on it). I did a ...
1
vote
3answers
149 views

System backup with dd to external hdd

I want to backup my whole system. I am wondering if the dd command is a good choice for that. dd if=/dev/sda of=/dev/sdb For example: /dev/sda is my system partition (partition is on a ssd if that ...
6
votes
7answers
3k views

How to clone to a smaller harddisk?

How to clone a harddisk to a smaller sized one. Clonezilla is great but it doesn't support such functionality. Also dd and PartImage don't support this demand. rsync will not copy the MBR since an ...
0
votes
1answer
133 views

Clone an Ubuntu machine with software RAID

I need to migrate my dedicated server to a new one: Both server are hosted remotely, I've no access to physical machines, only root ssh The old server is running Ubuntu server 13.10, ...
0
votes
1answer
820 views

How can I clone a hard disk to a smaller SSD?

I have a hard drive in my laptop with a windows and an ubuntu partition. I got an SSD to replace my hard drive, but it has a slightly lower capacity. I've already partitioned the SSD to the sizes I ...
14
votes
3answers
16k views

How can I know how long `dd` cloning will take?

I have to dd a couple of 1TB hard drives. They are taking several hours to clone and I was wondering if there was any way possible of knowing how fast they are going, how much they have done and how ...
1
vote
5answers
3k views

Gzip time to decompress?

I wanted to backup my entire server, which is hosted. So I used dd and gzip to make the file smaller. The disk was 500GB, but with less than 5% used. I managed to dd the whole partition into a 200 ...