Bacula-users

Re: [Bacula-users] Backing up across a really bad network

2011-08-05 05:30:37
Subject: Re: [Bacula-users] Backing up across a really bad network
From: shouldbe q931 <shouldbeq931 AT gmail DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Fri, 5 Aug 2011 10:27:06 +0100
On Fri, Aug 5, 2011 at 9:44 AM, dobbin <bacula-forum AT backupcentral DOT com> 
wrote:
> Good morning, I'm running Bacula 5 on a Debian server and mostly, it's bloody 
> brilliant. However, there are four servers in two locations outside of our 
> data centre that I'm having massive problems backing up.
>
> One location needs to backup 10 files with a total size of about 500mb, but 
> usually it errors out at about 80mb, often after only 5.
>
> The other location has three of the servers, server2 has two different backup 
> sets, one for the config files and web data and another for the images that 
> runs every other day
>
>  92353  Full      1,513    1.418 G  OK       02-Aug-11 19:30 server1
>  92555  Incr         37    1.129 G  OK       03-Aug-11 12:07 server1
>
>  92617  Full     95,122    416.1 M  OK       03-Aug-11 10:56 server2-set1
>  92807  Incr        608    3.865 M  OK       04-Aug-11 06:42 server2-set1
>
>  92619  Full      1,384    169.6 M  OK       03-Aug-11 08:31 server3
>  92658  Incr          6    168.6 M  OK       03-Aug-11 11:29 server3
>
>  92472  Full    101,399    4.064 G  Error    04-Aug-11 11:34 server2-set2
>
>
> Server1 backs up fine, as does server2-set1, although really slowly, you're 
> getting 1, maybe 2mb per minute. Server3 backs up about half the time and 
> server2 set2 has never managed a full backup, it took 2 days to get that 4Gb 
> transferred, it usually craps out sooner than that.
>
> All of these servers are the same spec, they're not great but not terrible 
> either and we have plenty of the same spec in the data centre that back up 
> fine. The first server is windows, the others are Ubuntu.
>
> Now I know for a fact that the internal networks in these locations are 
> atrocious and they're not getting fixed any time soon, also both of them are 
> less than half a mile from the data centre and incidentally we back up 
> several Gb a day from the other side of the planet without issue.
>
> Anyways, is there anything I can do to mitigate the effects of these really 
> crappy networks? I've got heartbeat set to 60 but it doesn't seem to have 
> helped much
>

granted the ideal would be to fix the root problem of the "atrocious
network" :-) how about using rsync as a first stage to create a local
copy that you can then backup ?

If you are backing up to tape, then I would certainly backup a local
copy rather than have something running at "2mb per minute"

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