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  #1  
Old 02-08-2007, 10:07 PM
tismer tismer is offline
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How to ignore but preserve certain large files?

Hi there,

I am using a parallels virtual machine. All valuable data is stored
over the parallels network on Mac HD, that's fine.

But there is a lot of stuff installed on the virtual drive which I don't
want to get natively onto the Mac drive, therefore I would like
to keep all uninteresting stuff on the virtual disk image.

My problem is that Parallels has no read-only mode, so my disk images
are changed every time they are mounted. That means several extra
GB to be juggled around for every smart backup.

Therefore, I would like to take one initial snapshot with SD, but then
exclude the snapshot drom SD avtions, because it is such a waste
of time.

I'm wondering if this is possible.
If I do a full backup the first time and then continue with smart backups,
telling SD to ignore my Parallels images, would't the target be smart erased
and I would loose my backup file, or is it so smart to always ignore certain files,
also in the erasure phase?

thanks - chris
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  #2  
Old 02-08-2007, 10:55 PM
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dnanian dnanian is offline
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It isn't really possible, Chris, but you could store the Parallels images on a different partition. That way, you could back them up on a different schedule.

Alternatively, you could store their backups on a different partition, and back them up to that when needed...
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Old 02-08-2007, 11:18 PM
tismer tismer is offline
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well I was afraid of this but thanks

Adding more partitions to my HD is exactly what I don't want.
When I'm done with all my testing and the final size of the disk image
is sorted out, then an extra partition would make sense.
In that case I would eventually prefer a bootcamp partition, but well,
Parallels support is still limited, since you cannot boot while you have
an external Windows drive attached...

Anyway, saving stuff to a different location might work, despite the
fact that I don't know how to avoid killing my existing file when restoring
with SD from the backup - probably also not possible.

But many thanks for your quick answer - Parallels are an order of magnitude
slower
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  #4  
Old 02-08-2007, 11:40 PM
tismer tismer is offline
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hey would that work?

What about this idea:
If I run a shell script that shuts down my virtual before
running SD and resets the file modification date to a certain
value before running smart backup, would that work?
Given that file size did not change, but then I would anyway want to copy.

What exactly are you using as the copy criteria?

Thanks a lot for your help - chris
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  #5  
Old 02-09-2007, 10:16 AM
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dnanian dnanian is offline
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We're checking against all aspects of the file: size, attributes, dates, etc. It's going to be difficult to "fool" it. I think a bit of reorganization of where you're storing it is going to be a lot more effective...
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