I'm confused about the meaning of the help text from ibbackup --help. 

Here's the text:
"You should make backups of the .frm files... both BEFORE and AFTER ibbackup
finishes its work, and also store the MySQL binlog segment which is
generated between the moment you copy the .frm files to a backup and the
moment ibbackup finishes its work... From the binlog segment you see if any
of the .frm files changed between the moment you took a .frm files backup
and the moment ibbackup finished its work."

So what exactly is the "binlog segment?" Is it some mysterious file or
merely the text sections from the ibbackup output that refer to the lsn's? 

Here's some sample output:
" . . .
ibbackup: Found checkpoint at lsn 0 1418349381
ibbackup: Starting log scan from lsn 0 1418349056
. . .
ibbackup: A copied database page was modified at 0 1418349381
ibbackup: Scanned log up to lsn 0 1418349381
ibbackup: Full backup completed!"


Clueless in Montana,
Steve Orr

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