[mythtv-users] Rsync test system

Daryl McDonald darylangela at gmail.com
Fri Oct 6 16:37:33 UTC 2017


On Fri, Oct 6, 2017 at 11:20 AM, Curtis Gedak <gedakc at gmail.com> wrote:

> On 2017-10-05 01:38 PM, Daryl McDonald wrote:
> >
> > IIUIC, cloning sda1 to sda2 would result in two partitions with the same
> > UUID, and cause boot problems.
> >
>
> Yes, cloning the partitions would result in duplicate UUIDs.  You can
> resolve the issue by using a tool such as GParted to create a new UUID
> for one of the partitions, and then edit the appropriate files to update
> for the new UUID (e.g., /etc/fstab).
>
>
> > Curtis, are you saying to "rsync" like the wiki suggests for system
> backup
> > without most/all of the "excludes" and then run grub-update?
>
>
> I'm not sure which wiki article to which you are referring.
>
> Basically if you copy the content of the partition (all files,
> directories, links, etc) similar to a clone operation, then you can
> re-install the grub boot loader so that your new partition will boot.
>
>
> Curtis
>
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Ok it's not a wiki but:
https://www.ostechnix.com/backup-entire-linux-system-using-rsync/

so I would use "sudo rsync -aAXv /dev/sda1 /dev/sda2"? (inaccuracy in
string above, the second 80 gb is formatted) or would it be "sudo rsync
-aAXv / /dev/sda2"? (from a terminal in /dev/sda1)
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