> That would be fairly hard to predict if you have more than a few machines
> because it will be your concurrency limit that keeps backups from 
> starting - and
> you'd need to know how long the previous backups will take to know when 
> the next
> can start.

This is something that can be computed automagically by BackupPC to estimate 
(albiet not exact).


> You can see from the host summary page how long it has been since the last 
> run,
> so if you are on an approximately daily schedule you can tell when the 
> next will
> be considered and run if not blocked by the concurrency limit or the 
> blackout
> schedule.  If you need more precise scheduling, you can use a cron job 
> using
> BackupPC_serverMesg to start specific machines - but you'll also need to 
> make
> sure that there are not too many other jobs running at the time.

Right, I could follow a trend that would be based off of current 
configuration -- but so could BackupPC. My issue really revolves around the 
changing of the configuration in which it should tell (based on previous 
thesholds, run times, # of files, etc) an approximate date/time.

Even if the BackupPC reads: "With the current configuration, BackupPC will 
attempt to backup the server @ yyyy-mm-dd hh:mm. This can be affected by # 
of concurrent, <other limitations and factors>..."

If it's a matter of any mathmatical computation -- BackupPC can do this 
automatically with the understanding that it is an estimate based on 
previous tends (if any).

Right?

//Clint


----- Original Message ----- 
From: "Les Mikesell" <lesmikesell AT gmail DOT com>
To: "General list for user discussion,questions and support" 
<backuppc-users AT lists.sourceforge DOT net>
Sent: Sunday, August 16, 2009 12:02 PM
Subject: Re: [BackupPC-users] Feature Requests and such?


> Clint Alexander wrote:
>>
>> 1) I want to see *when* a backup is going to run. I've been making
>> changes to the overall schedule of the system, but it seems like all the
>> backups run in the last hour of the non-blackout times.
>
> That would be fairly hard to predict if you have more than a few machines
> because it will be your concurrency limit that keeps backups from 
> starting - and
> you'd need to know how long the previous backups will take to know when 
> the next
> can start.
>
>> I have 4
>> particular servers (SQL Cluster Nodes) that need to be backed up within
>> the same hour. I setup the blackout of these particular servers FROM 4am
>> TO 3am in hopes to get them done between 3-4am. But only one of them was
>> fired within that hour, the rest 2 hours later. So -- we should be able
>> to see what our current settings will do and when it will do it. I'm
>> sure there is a configuration that would work for this that I can't
>> figure out -- but it doesn't make the feature any less important :)
>
> You can see from the host summary page how long it has been since the last 
> run,
> so if you are on an approximately daily schedule you can tell when the 
> next will
> be considered and run if not blocked by the concurrency limit or the 
> blackout
> schedule.  If you need more precise scheduling, you can use a cron job 
> using
> BackupPC_serverMesg to start specific machines - but you'll also need to 
> make
> sure that there are not too many other jobs running at the time.
>
> -- 
>   Les Mikesell
>    lesmikesell AT gmail DOT com
>
>
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