Re: [BackupPC-users] Backuppc 1 full and rest incremental

On 9/18/2015 4:23 AM, bubolski wrote:
> Hello i have two question.
>
> 1. Is it posiible to set backuppc to backup at frist time full and rest do 
> incremental because right now it doing 1 full 4 inc each 4 days if i remember 
> well.

Not a good idea.

1) All incremental backups are based on the previous full.  This means 
your incrementals will start taking longer and transferring more data 
over time.

2) Incremental backups use a simple date-based test to determine what to 
back up.  This can miss files under certain circumstances. Full backups 
are much more thorough and will not miss backing up any needed files.

3) Full backups take longer to run due to doing the file comparisons, 
but they will not transfer any more data than an incremental.  Due to 
BackupPC's file linking, a full backup will also not take any more disk 
space than an incremental on your backup system.

> 2. What is the best way to clean old backups ( ofc i understand that i i will 
> go with 1 full and rest inc then i delete full inc won't work, but i want to 
> know your way to clean olds)

The best way is to let BackupPC do the cleaning itself.  Take a look at 
the FullKeepCnt, IncKeepCnt, and other related config options. BackupPC 
will not delete a full that is needed by existing incrementals.

-- 
Bowie

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