I'm using ZFS snapshots and send and receive for a proof of concept, and
I'd like to better understand how the incremental feature works.
Consider this example:
1. create a tar file using tar -cvf of 10 image files
2. ZFS snapshot the filesystem that contains this tar file
3. Use ZFS send
IHAC using ZFS in production, and he's opening up some files with the
O_SYNC flag. This affects subsequent write()'s by providing
synchronized I/O file integrity completion. That is, each write(2) will
wait for both the file data and file status to be physically updated.
Because of this, he's
