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u.strasser
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Backup Copy data volume

Post by u.strasser » Feb 21, 2017 9:59 am

Hello,
in the manual B&R 9.5 it says "On the target backup repository, the backup copy job creates a backup chain in the forever forward incremental backup method. The target backup repository always contains only one active incremental backup chain." So once a full backup copy is on the target repository only incremental backup copies will be transfered from the source to the target repository, no mater what retension policy is selected for a given backup copy job? There is no WAN accelerator in place.

Thanks and regards
Ueli

P.Tide
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Re: Backup Copy data volume

Post by P.Tide » Feb 21, 2017 10:43 am

Hi,
So once a full backup copy is on the target repository only incremental backup copies will be transfered from the source to the target repository, no mater what retension policy is selected for a given backup copy job?
Not exactly. For example, if you use Backup Copy Active Full a different retention policy will be applied.

Thanks

u.strasser
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Re: Backup Copy data volume

Post by u.strasser » Feb 21, 2017 2:50 pm

Hi PTide,
thanks für your reply!
I understand a manually triggered Backup Copy Active Full would cause a full backup to be copied to the target device. Is there an exception that would occur during "normal operation"? I'd like to know it in order to calculate the required bandwidth.

Thanks again and regards
Ueli

P.Tide
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Re: Backup Copy data volume

Post by P.Tide » Feb 21, 2017 3:33 pm

Is there an exception that would occur during "normal operation"?
No, there are no exceptions. Please note that if a huge increment is produced by the source backup job that might be an equal situation (in terms of bandwidth of course).

Thank you

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