Cloning an EXT4 partition

Liam Proven lproven at gmail.com
Tue Jul 9 22:02:13 UTC 2019


On Tue, 9 Jul 2019 at 23:49, Kevin O'Gorman <kogorman at gmail.com> wrote:
>
>  It persists in giving me errors with messages that don't make sense: File too big when there's plenty of space, for starters.

If you're backing up onto FAT disks, you need to remember the size limits.

On FAT32 a file can only be up to 2GB (less 1 sector), no more.

exFAT allows bigger but it is not enabled by default on most Linuxes
because it's MS patent protected. Cynically I think this is 1 reason
they did exFAT -- because they tried to copyright FAT32 but it was too
late, dozens of 3rd parties had implemented it.

> Anyone have experience with this package, or any replacement?

I've used Clonezilla and G4L with some success, but as boot disks. For
online use, i.e. in a booted running system, I use Partimage. Works
well for me.

But remember you can't back up the volume that the PC booted from --
multiple files are locked open and can't be copied. (Use ``lsof'' if
you're curious what.)

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