Thanks for the 'smart' reply. Glad to see there is some good sense in RS.

New related question: Is there a FAQ about how any of these criteria 
are set? For instance: if file A1 was created on computer 1 and then 
copied to computer 2 will it meet the 'already backed up criteria' or 
will the modify date and time be altered or creation date be 
different? I wouldn't expect any of the criteria to have changed in 
the above scenario.
Does this scenario change if both 1 and 2 are Mac's vs PC's? How 
about if the file is created on Mac 1 then copied to PC 2?

>Bob,
>
>Retrospect uses several matching criteria to compare files that have already
>been backed up to what is about to be backed up. If one of the following has
>been changed at all, Retrospect will back up the file again:
>
>MAC files:
>name, size, type, creator, creation date and time, modify date and time, and
>label.
>
>PC files:
>name, size, modify date and time, file system.
>
>Therefore if the A1 files are identical in all of the ways listed above,
>there should only be one in your backup set if matching is set to its
>defaults.
>
>Matthew Tevenan
>Technical Support Specialist
>Dantz Development Corporation
>925.253.3050
>[EMAIL PROTECTED]
>
>>  From: Bob Durst <[EMAIL PROTECTED]>
>>  Reply-To: "retro-talk" <[EMAIL PROTECTED]>
>>  Date: Wed, 28 Jun 2000 13:14:36 -0700
>>  To: [EMAIL PROTECTED]
>>  Subject: Storage space smarts
>>
>>  I'm curious as to how smart RS is about storage space on a backup
>>  set. I'll outline the simple situation for the experts to explain to
>>  me how RS handles it.
>>
>>  Computer 1 contains files: A1, B1, C1
>>  Computer 2 contains files: A1, B2, C1
>>
>>  Both are being backed up to the same backup set. In the backup set
>>  will there be two copies of A1, and C1 and one each of B1, and B2, or
>>  will there only be a single copy of A1 and C1 with pointers in both
>>  computers file lists that they each contain A1 and C1 but 1 contains
>>  B1 and 2 contains B2?
>>
>>  I wouldn't care if the files were small, but if they are BIG it makes
>>  a difference.
>>  --
>>  -Bob D.
>>  Builder and Pilot of Kinetic Sculpture Vehicle "Killer Tomato"
>>  Visit my web site (http://www.bcc.orst.edu/~durstb/ )for pictures and
>>  additional info.
>>
>>
>>
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>
>
>
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-- 
-Bob D.
Builder and Pilot of Kinetic Sculpture Vehicle "Killer Tomato"
Visit my web site (http://www.bcc.orst.edu/~durstb/ )for pictures and 
additional info. 



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