Recommendations on cloning a bootable main disk

[Dan Jenkins]

Parted also works for me. Both clonezilla and parted are my recommendations. 

On December 1, 2018 12:51:34 PM EST, Bruce Labitt <bruce.labitt at myfairpoint.net> wrote:
>It' apparent that one uses a variant of dd.  What isn't apparent is how
>
>one goes about cloning one's primary disk (active).  From searching it 
>appears it is not recommended to use dd when the disk is active, either
>
>the source or the destination.
>
>I'm trying to clone my nearly full SSD with the OS (Ubuntu 18.04) to a 
>new larger SSD.
>
>Is there a tiny linux I can boot into that I can run dd from?  Or can I
>
>make the main disk ro?  What do you suggest?
>
>I have backed up home.  I really don't want to re-install the OS, since
>
>I have had troubles with gdm3 screwing up (different topic).  (Black 
>screen, no consoles)
>
>Recommendations/recipes on the cloning process sought.
>
>I was simply going to use
>
># dd if=/dev/sda of=/dev/sdc bs=4096 conv=sync,noerror
>
>I've seen lots of comments about block size and optimal setting, but
>I'm 
>not sure what is optimal if there are unknown (but few) source drive
>errors.
>
>Thanks,
>
>Bruce
>
>
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