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MAC OS X 10.6 Snow Leopard time machine doesn't backup

Posted on 2011-02-23
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Last Modified: 2012-05-11
Hello guys,

I've got MAC OS X 10.6 Snow Leopard. I'm trying to backup to an external harddrive using time machine, everything is set, and ready, but it never backs up. even when I click back up now, it still doesn't backup, it doesn't give me any errors. the icon on the menu bar just rotates then stops, and nothing happens.

Please help and advise. Feel free to ask if you need me to clarify anything

Thanks for your time
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Question by:heiba
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by:It breaks therefore I am
It breaks therefore I am earned 150 total points
ID: 34964791
Hi, have you checked console messages?

applications/utilities/console

You can check for Time machine errors here
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by:strung
ID: 34964810
Is the external hard drive formatted as a Mac hard drive (I.e. Apple Extended Format Journalled)? I don't believe Time Machine will back up to a drive formatted in PC format like FAT32 or NTFS.

Check by highlighting the drive icon in Finder and typing Command-i (for Get Info). That should tell you what format it is.
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Author Comment

by:heiba
ID: 34964838
it is formatted as Mac OS Extended (Journaled)

even if it was ms-dos, time machine will prompt me to format it as mac os extended.
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by:strung
ID: 34964855
My guess is that there is a corrupted archive on the drive. If there is nothing else you need on the drive, I suggest you reformat and start from scratch.
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Author Comment

by:heiba
ID: 34964948
The drive was already formatted. It's empty and got nothing in it. It's 30 GB, and is on the same harddrive as the main partition.

I don't think it has anything to do with the partition, I think it's got to do with mac itself. Does mac have some fix that you can download/install as in windows ?

Thanks
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by:strung
ID: 34964969
You said you were trying to back up to an external hard drive. Now you are saying you are trying to back up to a second partition on the main hard drive. I am confused.
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by:roylong
ID: 34964983
I am not sure, but I think time machine will only backup to a drive outside of the mac it's backing up - does it let you set the partition in time machine preferences?
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Expert Comment

by:strung
ID: 34965009
Also, the partition map has to be GUID or Apple Partition Map, not Master Boot Record (MBR).
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by:strung
ID: 34965014
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Author Comment

by:heiba
ID: 34965021
@strung, I'm running mac of an external harddrive for portability reasons

@roylong: yes it asks me for the partiton, and when I chose it, it asks me are you sure you want the backup to be on the same harddrive, and I say yes. it asks me cause apple is so afraid I would lose the harddrive and hence will lose the os and the backups
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by:strung
ID: 34965041
Check the partition map as per my latest two posts.
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Author Comment

by:heiba
ID: 34965053
@strung the partition map is GUID, I read the link, hasn't got anything new
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by:strung
ID: 34965135
Well, that covers the obvious, then. Did you check the console and time machine logs as per Johan Strange's post?
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by:strung
ID: 34965159
You might also check the permissions on the target partition using Get Info.
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Author Comment

by:heiba
ID: 34965747
@strung: checked the permissions, I've got read and write permissions

@johan_strange: I never saw the first post, will use console and will paste the error in here
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Author Comment

by:heiba
ID: 34965813
Time-machine-All-Messages.log

Please see the attached file, I cleared the display, chose "all messages" not errors only, and then clicked backup now.
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by:strung
ID: 34965938
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by:strung
ID: 34965942
What model Mac do you have? How is the external drive connected? USB? Firewire?
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Author Comment

by:heiba
ID: 34965980
MAC OS X 10.6.6 Snow Leopard (latest update)

external drive is a Western Digital - My Passport - 320 GB, connected via USB 2.0
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by:strung
ID: 34965988
That's the operating system. What hardware?
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Author Comment

by:heiba
ID: 34966009
I don't think it has got to do anything with the hardware. Cause it detects the external hard pretty much fine. not that I have a problem, but what are you gonna gain from knowing the hardware ?
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Author Comment

by:heiba
ID: 34966025
I can provide additional console logs if you wish, but I assume the one I attached above is sufficient
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strung earned 300 total points
ID: 34966251
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by:It breaks therefore I am
ID: 34967871
Hi, I run Time Machine with that exact same USB HDD , WDPassport 320Gb, and it works fine for me. I would try a different drive if you have one available just to rule out the hardware.
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by:roylong
roylong earned 50 total points
ID: 34968760
Are you running OS X on Apple hardware?  There are some known issues with non Apple installations of OS X and this is not a supported configuration - by Apple or for support... ...can we rule that out?  What model Mac?
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Author Closing Comment

by:heiba
ID: 34975375
Thanks, solved it all
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by:It breaks therefore I am
ID: 34977635
Hi, Would you mind telling us/confirming what it was? sounds like Mac OS on non Apple Hardware right ? Thanks for the points :)
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