Alan writes:

> I'd just like to make two feature requests:
> 1. I have manually configured BackupPC to wake machines up using
> "wakeonlan". It would be fantastic if the ability to call wakeonlan
> was indeed built into BackupPC. The ideal situation would be to: try
> and ping machine, if ping fails send magic packet and wait X seconds
> before trying to ping the machine again. Even better, would be if
> BackupPC could remember if the machine was woken up and optionally run
> a user specifiable script on the client machine at the end of backup
> (e.g. to send the machine back to sleep if it was woken up to perform
> the backup).

You could implement this by setting $Conf{PingCmd} to point to a
custom script that does what you require: ping, if it fails call
wakeonlan, wait, and ping again.  The only requirement is that
the script's output should look like the output from the final
(successful) ping, or it should exit with a non-zero status if
the final ping fails.

To put a macine back to sleep you can use $Conf{DumpPostUserCmd}.
Your $Conf{PingCmd} script could generate a status file (eg: touch
a file called .../wakeup/HOST) and then the $Conf{DumpPostUserCmd}
script could put just those machines back to sleep (you'll need to
handle the case the wakeup file is old - maybe check the timestamp).

> 2. It would be fantastic if when browsing backups, there was an option
> to run "du" on a branch of the backup to list the size of sub-
> directories in the backup. Naturally this would need to be done ad-hoc
> due to the cost of running du.

The drawback here is the potentially large running time.  If you use
mod_perl, then one entire hpptd process is busy for that time.

It's possible in a future version that each directory's full size could
be stored in the attrib file, allowing an immediate display of the tree
size.

Craig

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