![]() ![]() Higher Chunk sizes usually means higher performance but also more corruption of data if input disk has errors, see here: archwiki on dd It's the size of the chunks dd will read and write in. In case you have some time and want to go safe: $ dd if=/dev/sda of=/dev/sdb bs=64K conv=noerror,sync status=progress I/O size (minimum/optimal): 512 bytes / 512 bytesÄisk /dev/sdb doesn't contain a valid partition table Sector size (logical/physical): 512 bytes / 512 bytes Partition 2 does not start on physical sector boundary. I/O size (minimum/optimal): 4096 bytes / 4096 bytes Sector size (logical/physical): 512 bytes / 4096 bytes This is the output of fdisk -l if that helps: Disk /dev/sda: 120.0 GB, 120034123776 bytesÄ¢55 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors I can change the SATA cable so the new drive shows as /dev/sda if necessary. How can I safely move my Linux installation to the new drive? This new drive shows up as /dev/sdb and at the moment it is not formatted or anything (I have literally unpackaged and inserted into my PC right now :P) Since the new 240GB drive has obviously more capacity and is faster (a newer generation than my 120GB one), I want to move my Linux to this new drive. I do not have any other storage media at hand at the moment (e.g. Now I have added another SSD to my computer which is a 240GB. It is installed on my main SSD drive which is a 120GB one (I had chosen "/" when I installed Ubuntu, so I believe everything should be on this drive). I have Ubuntu 14.04 with a lot of packages and work-related stuff that I am very happy with it.
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