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HT1427: Mac Basics: Time Machine backs up your Mac

Learn about Mac Basics: Time Machine backs up your Mac

HT1427 Why does Time Machine perform a backup every few minutes?!

612 Views 10 Replies Latest reply: Aug 28, 2013 8:34 AM by Maria Folsom RSS
Maria Folsom Level 1 Level 1 (20 points)
Currently Being Moderated
Aug 27, 2013 6:43 PM

Time Machine is backing up my hard drive every 20 to 30 minutes. I have it set up for automatic weekly backup, andclicked "apply," and the message says my settings were applied, but it keeps baking up very frequently. I guess this is okay, but it will fill up my external drive very soon. Why is this happening?

iMac, OS X Mountain Lion (10.8.3)
  • William Lloyd Level 6 Level 6 (19,205 points)

    There aren't any settings for frequency for Time Machine, that I'm aware of.  It should back up hourly.

     

    When you click "Apply" then Time Machine will back up about 2 minutes after you click it, and then hourly thereafter.

  • Pondini Level 8 Level 8 (38,710 points)

    Maria Folsom wrote:

     

    Time Machine is backing up my hard drive every 20 to 30 minutes. I have it set up for automatic weekly backup,

    You must have used a 3rd-party app to do that.

     

    Those don't play well with Time Machine, as you see.  Why did you do that?  You may have been treating the symptom of something that needs to be fixed.

     

    Usually, if you let Time Machine do it's hourly backups, they're small and quick.  If you only back up weekly, you may lose an entire week's work when something awful happens to your Mac.

     

    What are you backing-up to (an external HD, Time Capsule, or other)?

  • Pondini Level 8 Level 8 (38,710 points)

    Maria Folsom wrote:

     

    Pondini, I didn't use any third-party app. I used the Time Machine preferences that can be found in the Time Machine icon up in the Menu Bar.

    Sorry, but there are no such settings in Time Machine.

     

    They're coming from a 3rd-party app, such as Time Machine Editor, or Time Machine Scheduler, or the like.

     

    Those apps can and do interfere with Time Machine, as in your case.  See Time Machine - Frequently Asked Question #13 for more.

     

    I don't use any of them, so am not familiar with their appearance.  Please post a screen print of what you're seeing.  Then maybe we can help.

  • Pondini Level 8 Level 8 (38,710 points)

    Post a screenshot, so we can help.

  • Pondini Level 8 Level 8 (38,710 points)

    You can print a selected part of the screen by pressing Shift+Cmd+4.  That puts a "target" on the screen.  Drag it to make a rectangle over the portion you want -- when you release, it will print that part.

     

    You can also print a selected window by pressing the space bar after Shift+Cmd+4.  That puts a camera icon on the screen -- just move it over the window you want and click it.

     

     

    I can't read the title, but it's probably "Time Machine Editor," as mentioned in the link I sent.

     

    I'd strongly suggest uninstalling it -- not just deleting the app, as that may make it worse.   Follow the maker's instructions -- see if there's any Help, and/or go to their website if necessary.  Once you get rid of it, Restart your Mac and Time Machine should be back in control of itself.

     

     

    In the vast majority of cases, people use these apps to reduce the load on their Macs.  But they're treating the symptoms of some other problem, not the cause.  Once TM gets caught up, the hourly backups shouldn't be intrusive - in fact, you shouldn't notice them at all.   If you do, we need to find and fix the problem.

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