Re: [BackupPC-users] Backing up the BackupPC pool

[Hannes Elvemyr]

I'm taking about BPC itself. Why? Let's take an example.

00:30 My nightly rsync script starts to sync pool to off-site storage. This night, there happens to be a lot of new data an it takes time.
01:00 BackupPC_Nightly starts cleaning the pool! Rsync is still running!
01:15 My nightly rsync script is done syncing

This night I would end up with a corrupt copy since BPC wrote to the pool while I was copying it. One suggestion to prevent BPC to touch the pool while copying it was to stop the BPC service temporarily. Sounds good, but would that lead to new problems for BPC?

If BPC never runs between say 00.00 and 01.30, will this prevent certain tasks in the BPC_Nightly to never run for instance?

And what if BPC happens to running a cleaning job when I stop it and start my rsync script? Will I then copy a corrupted pool?

Many questions. This approach seems fragile to me. Am I right?


/Hannes

-------- Original Message --------
Subject: Re: [BackupPC-users] Backing up the BackupPC pool
From: Bzzzz
To: backuppc-users@lists.sourceforge.net
CC:

On Fri, 11 Aug 2017 00:16:27 +0200
Hannes Elvemyr wrote:

> Would it be wise to stop/start BackupPC every night? Can it introduce
> any problem? What if my copy process (for instance rsync over Internet
> to an off-site storage) takes 1 hour, maybe 2 hours some days, well
> that interfere with BackupPC_Nightly?

Do you speak about BPC itself or it's machine?
If BPC, why, as it almost eat nothing while sleeping,
if machine (energy spare, I guess), it isn't recommended as
electronics and HDz really hate shocks, either electric
(start draw more current as you've got to charge capacitors, this
produce an overall peak) or thermal, especially HDz.

Jean-Yves

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