Chunks downloaded when copying to remote

UX
#1

Why, when copying a local storage to a remote, are some chunks downloaded?

DEBUG SNAPSHOT_COPY Copying chunk c88a9ac7d4a00c90626b37dbbbf2534f6d592292a461cdc4b5ca7ea2b613648f to c88a9ac7d4a00c90626b37dbbbf2534f6d592292a461cdc4b5ca7ea2b613648f
DEBUG DOWNLOAD_FETCH Fetching chunk c88a9ac7d4a00c90626b37dbbbf2534f6d592292a461cdc4b5ca7ea2b613648f
DEBUG CHUNK_DOWNLOAD Chunk c88a9ac7d4a00c90626b37dbbbf2534f6d592292a461cdc4b5ca7ea2b613648f has been downloaded
#2

‘downloaded’ just means the chunk is downloaded from the source storage which happens to be a local disk.

#3

So would not it be better “copied”?