Adam Goryachev wrote:
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> Langdon Stevenson wrote:
>> I have a number of servers at remote sites that get backed up over ADSL
>> connections. Usually the backups run in an hour or two outside of
>> business hours which is fine.
>>
>> However occasionally a user will add a large number of files to a
>> server, causing the backup to take much longer. This causes a serious
>> slow-down of the ADSL connection for staff at the effected site during
>> the day.
>>
>> What I would like is for BackupPC to automatically stop backups at
>> 7.00am or some other configurable time if they are still running.
>>
>> I have read the documentation and can find no way of doing this, only
>> the ability to stop backups from starting during certain periods.
>>
>> Can anyone confirm that BackupPC is unable to do what I need? If so,
>> does anyone know of a hack or patch to add this functionality?
>
> As far as I know there is no solution to this within BackupPC, one
> thing you can do is use the bwlimit parameter to rsync, and setup QoS
> on the ADSL to try and keep things reasonable. However, trying to do
> VoIP can still be a challenge, in which case the only solution is to
> manually login and stop the backup...
>
> I suppose you could have a script which runs at 9am to firewall the
> relevant ports and hence stop the backup, then at 5pm it unblocks again.
>
> Regards,
> Adam
As an alternative you can place the following script in /etc/crontab.
#!/bin/bash
declare -a hosts
hosts[0]=server1 # fill in your own host names
hosts[1]=server2 # whose backup should be canceld
hosts[2]=server3
declare -i hostcount=3 # configure your count of killable hosts
ps ax | grep "BackupPC_dump -i" | grep -v grep > /tmp/runnings
while read pid fl1 fl2 duration perl dump fl3 host rest
do
for (( a=0; a<hostcount; a++ ))
do
if [ $host == ${hosts[a]} ]; then kill -9 $pid > /dev/null
2>&1; fi
done
done < /tmp/runnings
exit 0
br
Matthias
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Don't Panic
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