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Time Machine hangs on backing up

Posted on 2011-09-15
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Last Modified: 2012-05-12
I have a Mac Pro with three disks.  I have been backing up for ages with Time Machine to one of the extra disks without issue.  For some reason TM now wants to hang. It starts, enumerates all the files and starts the backup. But it will almost immediately get to some real small number like 50 K of 50 MB and just get stuck there.  Yesterday, I rebooted the Mac and manually kicked one off and it ran just fine. But again today, it's doing the same thing.
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Question by:jhyiesla
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by:iconnectu
ID: 36549701
Please check your Disk with the Disk Utility Tool to repair the permission rights on the Macintosh HD Disk. This helps in the most sitations when a programm stops working.
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by:jhyiesla
ID: 36550119
I tried that, and it did repair quite a bit. I started up a manual run of TM and it looked promising, it got to 140 MB of 548 and then hung again.
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by:nxnw
ID: 36551221
Try safe booting, which will do a disk repair if you are running 10.6 or better, then rebooting normally and trying to back up again.

If it still fails, open Console and watch "all messages" while backing up. This may identify a problem reading or writing a file, which could be corrupt and causing TM to choke.

Even if this fixes it, I suggest you consider another backup application, like Crashplan.
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by:jhyiesla
ID: 36551291
Funny thing is, according to Console, it seems to run OK, over night while I'm not logged into it.
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by:activematx
ID: 36589814
It appears that one of your proccess that you have running while the backup is running is causing TM to hang.
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jhyiesla earned 0 total points
ID: 36932093
I've requested that this question be deleted for the following reason:

Never figured it out. Upgraded to Lion and TM is working again.
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by:nxnw
ID: 36932089
I suggest that, since upgrading to Lion solved the problem, that should be marked as the solution in this instance.

That being said, the OP should not post questions if he does not intend to try, and report back on, reasonable measures suggested in responses.
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by:nxnw
ID: 36932094
I suggest that, since upgrading to Lion solved the problem, that should be marked as the solution in this instance.

That being said, the OP should not post questions if he does not intend to try, and report back on, reasonable measures suggested in responses.
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by:jhyiesla
ID: 36932112
I did try the solutions; none of them worked, although I should had reported back; sorry.. While going to Lion ultimately "fixed" the problem, I'm not sure I would call that a solution.
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by:Modalot
ID: 36960799
I agree that we should keep this answer, though it is more a workaround than a solution.

Modalot
Community Support Moderator
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