Amanda-Users

Re: Duplicating backup

2006-09-29 11:44:34
Subject: Re: Duplicating backup
From: Steven Kurylo <steven.kurylo AT vcom DOT com>
To: amanda-users AT amanda DOT org
Date: Fri, 29 Sep 2006 08:33:58 -0700
>
>> well we run a full monthly backup, rotating through the tapes yearly.
>>
>> Running a weekly backup and then a monthly backup is rather wasteful,
>> the data will almost be identical.  Is there anyway I can take the
>> weekly backup which just finished and copy it to the monthly tapes?
>>     
>
> It has been suggested as an excellent enhancement to amanda.
> No one has yet taken up the task of implementing it.
>   

Poking at it a bit it looks like I could:

1) Use dd to copy the weekly tape to the monthly tape
2) Modify the amanda label on the monthly tape from "week1" to "month1"
(it looks like dd and sed could do this)
3) Modify the tapelist in the monthly config to reflect the tape "month1"
4) Copy the log file, curinfo, and index files from the weekly config to
the monthly config
5) Modify the log file to refer the tape "month1" instead of "week1"


To those more familiar with the amanda data layout, does it look like
I've missed anything?

Thanks.

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