My bacula installation supports night-time backups of several Windows machines (win7 and xp) that are typically suspended when the backups start from a Linux-based server. I made sure to enable Wake-on-LAN on all of the windows clients, and arranged a script to wake them, but Windows often believes that the machine is idle during a backup and the machines used to go down during a backup.
I updated my python script to run a daemon process for each machine to keep them awake during backup, it is relatively short so I'm including it here, on the off-chance that it proves helpful to anyone--I'm happy to answer any questions about it. It is dependent on a library daemon.py (note: not the pending daemon PEP), that I downloaded here: http://www.jejik.com/articles/2007/02/a_simple_unix_linux_daemon_in_python, but I believe this github implementation would also probably work: https://github.com/stackd/daemon-py Note that the script does require your host->MAC address mapping, since the machines may be down, you can't just ARP for them (I use a python dictionary, but this could be extended to a db for those with larger sites--especially if you already track MAC addresses). To make a Windows machine do WoL, you likely will have to both configure WoL in the BIOS and also make a config change in windows on the LAN interface to enable WoL. Here's how I use my script in my bacula-dir.conf: RunBeforeJob = "/etc/bacula/wake_up.py --daemon start %c" RunAfterJob = "/etc/bacula/wake_up.py --daemon stop %c" I don't recall if this assumes that the hostname and the client name are the same, I suspect it does. -se -- They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety. --Benjamin Franklin, 1759
wake_up.py
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