I just noticed today that one of the hosts I'm backing up, is suddenly
taking much longer to back up. Looks like someone put a large quantity of
new data on it.

Problem is that whereas the full backups used to take (as a proportional
scale) 1x, and incrementals perhaps 0.2x, the latest incrementals are taking
~2.5x the time of the last full backup. Due to the way backups are done in
backuppc (always making an incremental against the last full), they'll keep
on being excessively large until the next full backup.

Would it be reasonable to have backuppc check the time used by the last
incremental against the time used by the last full, and if it's taken longer
to do the incremental, then automatically do a full backup next time? (Of
course, make a note in the logs as to why this was done).

It would also be nice at times to be able to one-time-schedule the next
backup of a particular host to be a full backup (for instance, if you knew
that you'd just added some data). The way to do this right now is:
- Start the backup right now while you're thinking of it, and hope you don't
  irritate people too much by doing a backup in the middle of the day (or
  whatever other time it is).
- Try to remember to start the backup later on, when it won't irritate
  people.
- Set up a cron or at job to schedule the backup.

It would be nice to be able to schedule future jobs from within the web
interface tho.  Perhaps have it call 'at', or else use some sort of internal
persistence mechanism?

-- 
Carl Soderstrom
Systems Administrator
Real-Time Enterprises
www.real-time.com

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