[Nottingham] Copy without copying?
jasonirwin73 at gmail.com
Tue Jun 11 13:12:40 UTC 2019
Thanks for the link, I followed it through and got it working. I was
writing the the snapshot and it worked just as I hoped it would.
Only odd thing was that I had to ditch the partition I'd created with
"kvpm" (I like graphics to but the partition information into context) but
I am not sure I trust that tool. It seemed to struggle with BTRFS.
Knew I should have used GParted!
On Fri, 7 Jun 2019 at 16:57, Andy Smith via Nottingham <
nottingham at mailman.lug.org.uk> wrote:
> 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.
> 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
> > 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
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