Support for transferring sparse files via scp/sftp correctly?

[Lionel Cons]

On Tue, 4 Mar 2025 at 11:01, Lionel Cons <lionelcons1972 at gmail.com> wrote:
>
> Does OpenSSH scp/sftp mode transfer sparse files correctly, i.e. are
> holes skipped and not transferred as chunks of 0 bytes? [1]
>
> We're asking about sparse files in the >= 1PB range, which consists of
> multi-TB holes with around 600-2000GB of valid data.
>
> [1] Note the difference: Sparse files can have data sections which
> consist of valid 0 bytes. Holes in sparse files represent regions
> where no data space is allocated, but they read as 0 bytes
>
> Lionel

I filed https://bugzilla.mindrot.org/show_bug.cgi?id=3798 for sparse
file copy support

Lionel