BackupPC-users

Re: [BackupPC-users] Backup through slow line?

2008-09-02 19:03:58
Subject: Re: [BackupPC-users] Backup through slow line?
From: Adam Goryachev <mailinglists AT websitemanagers.com DOT au>
To: backuppc-users AT lists.sourceforge DOT net
Date: Wed, 03 Sep 2008 09:03:50 +1000
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Les Mikesell wrote:
> Christian Völker wrote:
>> Now I want to backup these servers. Obviously it takes more than 24
>> hours to perform a full backup, so the running backup fails after 24hours.
>>
>> BackupPC now schedules the next full backup....which runs for 24h and
>> fails...and so on.

At some time, you need the daily admin process to run, depending on what
version of backuppc you are using, but I think backups are not run
during this time...

>> My question now is:
>> If the full backup fails, does it start from scratch every time or are
>> some files already stored in the backup and used during the next try, so
>> it'll finish some day?

You didn't send your host config file, or any log files, or any relevant
information, so we can't conclusively answer you...

> If you are using rsync as the transfer method it will continue 
> approximately where it stopped.

However, you did later agree that you are using rsync, hence it will
continue pretty much where it stopped last time.

>> Meanwhile, the full backup runs for 5 days, interrupted five times after
>> 24hours...I don't know if it will finish some day.

Quite possibly not, given that the default configuration is configured
to remove a partial backup after it is 3 days old. That means (I may be
wrong) once it has been re-attempted three times, it would be removed
and the next backup would start from scratch....

>> Next question:
>> Assume, the full backup is finished after two weeks- will the next full
>> backup take the same amount of time?
> 
> If you are using rsync it will be much faster next time, sending only 
> the changes.

Hopefully this one has been answered for you by now...

Regards,
Adam
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