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Re: [rdiff-backup-users] rdiff-backup fails, no gzipped file

From: Dominic Raferd
Subject: Re: [rdiff-backup-users] rdiff-backup fails, no gzipped file
Date: Tue, 07 Dec 2010 20:33:47 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20101027 Thunderbird/3.1.6

On 07/12/10 18:54, ~D wrote:
On 12/07/2010 05:09 PM, Dominic Raferd wrote:
On 07/12/2010 14:42, ~D wrote:
On 12/07/2010 03:26 PM, D. Kriesel wrote:
Do you prevent a shutdown or reboot when rdiff-backup is running? How?

Since rdiff-backup does not like backup interruptions (and therefore is not usable on slow or unreliable connections) I rdiff to a local repository on the server (the server usually doesn't reboot) and rsync the entire repository to the remote destination.

My backup only runs when there is a internet connection. I use my laptop
at home most of the time. I have to find a way to check wether
rdiff-backup is running and to reboot after it shutdown. I can use htop
of course, but I am not sure if rdiff-backup is runnin also local on my
laptop or only on my server.

Maybe there is a more advanced way to do this?
You can test for running rdiff-backup locally thus:

[ -n "`ps -o pid --no-heading -C rdiff-backup`" ] && echo "running" || echo "not running"

and you can query remote server thus:

[ -n "`ssh address@hidden "ps -o pid --no-heading -C rdiff-backup" 2>/dev/null`" ] && echo "running" || echo "not running" .

Ah Thanks! So it should be possible to make some script which checks if it's is running, if no, shutdown, if yes, wait 15 minuts and check again etc... right?


yes you could write a bash script and put it as a job in your crontab to run every 15 minutes, say...

My mirror backup server (not my primary) is updated from my primary by a script which uses rdiff. The script runs on the primary and starts by waking up the mirror server (over the internet), then runs rsync, then after checking all is well, powers down the mirror. Works well with rsync - as David pointed out earlier, it is not a good idea to run rdiff-backup over an unstable connection.


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