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  1. #1


    Member Since
    Jan 09, 2007
    Posts
    178
    How to save time when backing up data?
    Hi
    I'm not sure where to post this, so I will post it here.
    I save my data to an external hard drive. I then want to back that up to a second hard drive. At the moment, every so often I delete everything from the backup drive and then put all my data on it again. That includes all the new data, and the old data. I'm sure there must be a better way of doing this!

    For example, I have a folder, and now it has more files in it than it did before. Is there some way that it can just add what is new? I.e. what it does not yet have? Perhaps a program or something can do this?

    Sorry for being so ignorant about this!
    Thank you
    Justin
    Using brand new macbook

  2. #2

    cwa107's Avatar
    Member Since
    Dec 20, 2006
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    Quote Originally Posted by Justin View Post
    Hi
    I'm not sure where to post this, so I will post it here.
    I save my data to an external hard drive. I then want to back that up to a second hard drive. At the moment, every so often I delete everything from the backup drive and then put all my data on it again. That includes all the new data, and the old data. I'm sure there must be a better way of doing this!

    For example, I have a folder, and now it has more files in it than it did before. Is there some way that it can just add what is new? I.e. what it does not yet have? Perhaps a program or something can do this?

    Sorry for being so ignorant about this!
    Thank you
    Justin

    I think what you're referring to is commonly known as an "incremental" backup - that is, a backup that only adds files that have been added or changed since the last full backup. These types of backups are done primarily to save time.

    I use a product called SuperDuper. The free version only does full backups, but the paid-for version can incrementally add to the existing full backup. Do you think that would suit your needs?

  3. #3

    caribiner23's Avatar
    Member Since
    Feb 06, 2005
    Location
    Chicago
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    1,543
    Specs:
    MacBook Pro Retina 13" • iPhone 6 • iPad Air • and many iPods
    The incremental backups with SuperDuper is an excellent idea-- this is what I do as well, so props to cwa.

    I usually run Cocktail before doing my backups. This makes sure that all my internet surfing caches are cleared out 'cause I don't need to back that stuff up. I also clear out my trash and "deleted mail" items.

    Is your external drive Firewire or USB 2.0? If it's USB, you'll have some speed gain by going to Firewire.

    Good luck!

  4. #4


    Member Since
    Jan 09, 2007
    Posts
    178
    My drives are USB 2. As far as I understand there is only a USB input in the drives, no firewire.

    Would that program work for incremental backup of just one folder, rather than the whole disc?
    And as for a whole system backup, does it matter that it is actually an external drive which I am backing up, NOT my computer? I am trying to backup one external drive to another one.

    Thanks!
    Justin
    Using brand new macbook

  5. #5

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
    Posts
    26,887
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Quote Originally Posted by Justin View Post
    My drives are USB 2. As far as I understand there is only a USB input in the drives, no firewire.

    Would that program work for incremental backup of just one folder, rather than the whole disc?
    And as for a whole system backup, does it matter that it is actually an external drive which I am backing up, NOT my computer? I am trying to backup one external drive to another one.

    Thanks!
    Justin
    It doesn't matter what drive you backup, but you must backup the entire drive.

  6. #6

    MartinS's Avatar
    Member Since
    Nov 02, 2006
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    Bournville, UK
    Posts
    663
    Another vote for SuperDuper! here, although bear in mind that Time Machine's going to be part of Leopard...
    www.martinsketchley.co.uk

    2011 21.5-inch i5 iMac
    Mid-2009 13-inch MacBook Pro

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