Time Machine, changed interface wants to start again

Discussion in 'Mac Apps and Mac App Store' started by psammey, Mar 12, 2014.

  1. psammey macrumors newbie

    Joined:
    Mar 12, 2014
    Location:
    Oxford, UK
    #1
    How can I persuade Time Machine to continue incremental back-ups when it wants to start from scratch?
    I have been running Time Machine, backing-up to a Seagate GoFlex Desk (2TB) via a Firewire 800 connection successfully for a while. I want to use the Firewire connector elsewhere and so swapped the base to usb, reasoning that the usb2 connection would be fast enough for incremental back-ups. Problem was the disk was not recognised as the Time Machine disc and when selected to be the back-up disc Time Machine wanted to start from scratch - which would take too long over usb2. I can see and open the previous back-ups, can anyone tell me how to persuade Time Machine to continue incrementally backing-up and not start again?
    iMac C2D 3.06 4GB running 10.9.2.
    Thanks, psammey
     
  2. Brian33 macrumors 6502a

    Joined:
    Apr 30, 2008
    Location:
    USA (Virginia)
    #2
    I believe there is a way to do what you want, but unfortunately I don't have time at the moment to research/explain fully.

    I think you want Time Machine to "inherit" the backup. It involves using a Terminal command. This page might help:
    http://pondini.org/TM/B6.html
     
  3. psammey thread starter macrumors newbie

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    Mar 12, 2014
    Location:
    Oxford, UK
    #3
    Thanks Brian33, that looks very promising, I'll give it a go!
    psammey
     
  4. psammey thread starter macrumors newbie

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    Mar 12, 2014
    Location:
    Oxford, UK
    #4
    Success - mostly!

    Back-ups have been inherited ok, seamlessly open those before and after changed connection. The first back-up after was larger than usual, ~6.5GB, but that's a lot better than ~300GB! and now back to usual size. During that first back-up the disc was not being displayed as a Time Machine disc on screen (brown compared to turquoise) and the Time Machine symbol in the menu bar didn't rotate to indicate backing-up in progress, now, having restarted the iMac, the disc symbol is ok (turquoise) but the Time Machine symbol in the menu bar still does nothing during backing-up; I can live happily with that.

    Thanks again Brian33!

    psammey
     
  5. Brian33 macrumors 6502a

    Joined:
    Apr 30, 2008
    Location:
    USA (Virginia)
    #5
    I'm glad to hear it worked to inherit the backup!

    The fact that the indicator isn't rotating is odd -- I've never seen anyone report that. Although under 10.8.5 it rotates less often than it did under 10.6.8, I noticed. It no longer rotates during "cleaning up" or "looking for backup disk", I believe. Not sure about 10.9 -- I haven't gotten there yet!

    You might try opening System Preferences-->Time Machine during a backup and see if the status messages are displayed there (they should be).

    Good luck!
     
  6. psammey thread starter macrumors newbie

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    Mar 12, 2014
    Location:
    Oxford, UK
    #6
    Status messages are being displayed ok during back-up.
    It took me a few attempts to get the instructions right in Terminal (rushing, never a good idea!) so maybe one of my false attempts messed things up.
    Next I will restart without symbol being displayed in menu bar and then re-select it.
    psammey
     
  7. psammey thread starter macrumors newbie

    Joined:
    Mar 12, 2014
    Location:
    Oxford, UK
    #7
    I partitioned the disk to use for Time Machine back-ups for my MBP as well as my iMac.
    Now doing first TM back-up from MBP (also running 10.9.2) via usb2 interface (slow, ~25 GB/hr) menu bar TM icon is not rotating, progress info is being displayed.
    Wondering if menu bar icon doesn't rotate during TM backing-up via USB under Mavericks?, I've always used firewire connections in the past.

    psammey
     
  8. matrix07 macrumors 68040

    matrix07

    Joined:
    Jun 24, 2010
    #8
    In Maverick, menu bar icon will not be rotated.
     
  9. psammey thread starter macrumors newbie

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    Mar 12, 2014
    Location:
    Oxford, UK
    #9
    Thanks matrix07 for solving that issue.

    psammey
     
  10. reksgwee macrumors newbie

    Joined:
    Mar 30, 2014
    #10
    Hey guys, I did an 'inherit' backup with my time machine and now it seems that the back up amount of TM is double of what is required. I suspect that TM did not delete my old back up or continue from last back up. Is there any way to resolve this? It's a total waste of a good 500GB plus of space!
     

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