BackupPC-users

Re: [BackupPC-users] Off-site backup strategies

2008-10-04 16:41:46
Subject: Re: [BackupPC-users] Off-site backup strategies
From: Jeff Siddall <news AT siddall DOT name>
To: backuppc-users AT lists.sourceforge DOT net
Date: Wed, 01 Oct 2008 09:13:05 -0400
Rob Owens wrote:
> Kevin DeGraaf wrote:
>>    2. Use the remote server to hold a copy of the on-site BackupPC 
>> server's file pool.  The pool would be rsync'ed on-site initially and 
>> then rsync'ed remotely from then on.
>>
> Against all advice on this list, I did this yesterday.  I rsync'd my
> pool to a larger drive in the same machine.  My pool size is 347G and
> it's been running for the past 15 hours or so.  I've transfered 334G so
> far.  My server has 3GB of RAM.  It hasn't crashed, like many people
> thought it might, and it has only used 2MB of swap.
> 
> -Rob

I never asked for anyone's opinion before trying this myself, but I have
been [apparently] successfully rsyncing a copy of my BackupPC pool
remotely over a DSL line for months now.  I have yet to encounter
issues, other than a few rsync warnings when the pool changes during the
rsync -- which does take a few hours at DSL's 800 kbps uplink.  The pool
is about 120 GB, and changes by about 1 GB each day.

I did my initial "remote" disk setup a bit differently.  Instead of
rsyncing the pool, I populated my "remote" drive by mounting it locally
on the BackupPC server and doing a cp -a.  No issues with that of
course.  Then I took the drive out of the BackupPC server and stuck it
in the remote machine.  From that point on rsync with the -H option has
been keeping the pools in sync.

Can anyone explain why this is a bad idea?

Jeff

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