[Nottingham] Copy without copying?

[J J]

Hat damn. I'll have to dig through that documentation on Monday.

Thanks again.

On Fri, 7 Jun 2019 at 16:57, Andy Smith via Nottingham <
nottingham at mailman.lug.org.uk> wrote:

> Hi,
>
> Yes the feature on btrfs and xfs is block-level. I think the
> granularity is whatever the block size of the filesystem is, which
> defaults to 4KiB.
>
> I use it for deduplicated backups.
>
>
> http://strugglers.net/~andy/blog/2017/01/10/xfs-reflinks-and-deduplication/
>
> Cheers,
> Andy
>
> On Fri, Jun 07, 2019 at 04:47:19PM +0100, J J via Nottingham wrote:
> > Thanks for the tips. Overlay is deffo an improvement as it will only
> take a
> > copy of a file if there is a change but it's still a full copy of the
> > entire file.
> > I am wondering if there's a way that XFS, ZFS or whatever can do
> something
> > even deeper and maintain partial/block differences or something.
>
> --
> https://bitfolk.com/ -- No-nonsense VPS hosting
>
> --
> Nottingham mailing list
> Nottingham at mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/nottingham
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.lug.org.uk/pipermail/nottingham/attachments/20190607/c148f366/attachment.html>