On Fri, May 16, 2014 at 7:17 AM, Thorsten Kampe
<thors...@thorstenkampe.de> wrote:
> Hi,
>
> at the moment we have a single disk volume (file). We would like to
> reuse this disk volume file so it will not grow infinitely.
>
> We have a monthly rotation schedule (this is actually the default
> schedule):
>
> """
> # full backup on first sunday of month, differential every other
> # sunday, incremental backups other days
> Schedule {
> Name = WeeklyCycle
> Run = Full 1st sun at 23:00
> Run = Differential 2nd-5th sun at 23:00
> Run = Incremental mon-sat at 23:00
> }
> """
>
> After two cycles (two months), we would like to delete old files from
> the volume file. Thus we set
>
> FileRetention = 60 days
> JobRetention = 60 days
> VolumeRetention = 60 days
> Recycle = yes
>
> There is no maximum file or volume size or volume use duration
> configured.
>
> My question is: will the above settings ensure that after about sixty
> days, the file volume size will reach its maximum (assuming that the
> size of the backed-up data remains constant)?
>
No it will not. The retention period begins after a volume is marked
full or used. At 60 days it will still be append. You need to limit
the # of jobs, use duration and/or size. Then after the volume is
marked Full or Used the 60 days begins counting from the last written
date.
John
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