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TS1516: Mac OS X 10.5: Time Machine may display "Preparing" for a longer time

Learn about Mac OS X 10.5: Time Machine may display "Preparing" for a longer time

TS1516 very long 'preparing for backup' for Time Machine

4547 Views 6 Replies Latest reply: Oct 30, 2012 11:02 AM by Pondini RSS
yoyopomme Calculating status...
Currently Being Moderated
Jun 21, 2012 5:05 AM

None of the issues discussed in the apple support page on this issue seem to apply to me (except one below regarding not completing the 'prepare for backup'). It still takes way too much time (a night is not enough) to prepare for time machine backup, even though there was a backup recently, and it is not a one-time event but a recurring problem, and there are no big changes to my files or disks.

 

And of course because most days it does not complete the backup before I have to leave to work, the condition on 'not interrupting the backup' cannot be respected. This looks like plain poor design.

 

The only thing that helps is to connect my laptop directly to the Time Machine by Ethernet but it is very inconvenient.

 

This is really annoying. I wish I had bought another disk back-up solution.

MacBook Air, Mac OS X (10.7.4)
  • riri5569 Calculating status...

    i take it you are backing up over wifi?

    how much data is on the computer to be backed up? - would not be surprised if it took over 12 hours to back up 80+GB over wifi - i'm relatively sure it confirms the data a bit better than a mere copy function, so would take longer than just copying files

     

    here's an idea:

    perhaps in Time Machine options you can ask it to not back up the system and library folders the First time, so that it will back up a good portion of your personal material

    the next night you could remove the system and library from selection of folders to not back up

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

    yoyopomme wrote:

    . . .

    The only thing that helps is to connect my laptop directly to the Time Machine by Ethernet but it is very inconvenient.

    That sounds like you may have WIFI and/or other problems. 

     

    Start with the things in the green box in #D2 of Time Machine - Troubleshooting.

     

    If that doesn't help, use the widget in #A1 there to get all the messages for one of these backups, then copy and post them here.

  • saggybaggy Calculating status...

    Hello. I'm having the same problem. I am using an external protable drive to backup my Mac Pro tower using Timemahcine. The drive is connected directly to my computer. However, timmachine has been "Preparing" for hours and hours. The actual back up has not started yet. I have backed up my Mac Book Pro successfuly using Timemachine and did not experience this delay in "preparing". Any thoughts?

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

    That might be a directory problem on the Pro.  Cancel the backup, and try Verifying the internal HD, per #A5 in Time Machine - Troubleshooting.

     

    If that doesn't help, see #D1 in the same link for some other possibilities.

  • saggybaggy Level 1 Level 1 (0 points)

    Thanks, I've followed your advice on #A5... no problems there. Now checking out other possibilities under #D1. The Mac Pro I'm backing up is Leopard 10.5.8, could this be the issue? I'm trying to back it up before I upgrade my operating system.

     

    Also, for the backup I'm using the same external drive that I used to backup my MacBook Pro already... not sure if this would cause any issues in preparing.

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

    saggybaggy wrote:

    . . .

    The Mac Pro I'm backing up is Leopard 10.5.8, could this be the issue?

    No, Time Machine works on 10.5.8.

     

     

    I'm trying to back it up before I upgrade my operating system.

    Good plan! 

     

     

    Also, for the backup I'm using the same external drive that I used to backup my MacBook Pro already... not sure if this would cause any issues in preparing.

    Not in preparing, but it's usually not a good idea to use the same partition on the same drive for both.  See Time Machine - Frequently Asked Question #4 for an explanation.

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