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how to backup a 18gb folder onto several dvds?
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Senior User
Join Date: Oct 2001
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i want to back up my iphoto library folder onto several dvds. is this possible? any tips would be appreciated!
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Posting Junkie
Join Date: Mar 2004
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Backup if you have .Mac. It lets you burn multiple CDs.
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Senior User
Join Date: Oct 2001
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darn. i dont have .mac. any other options?
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Posting Junkie
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Download the free trial, download Backup, burn your discs.
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Addicted to MacNN
Join Date: Jun 1999
Location: Las Vegas, NV, USA
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You can create a disk image of your iPhoto library. Let's say you create an image called iPhotoBackup.dmg and put it on your desktop. Then segment the image into 4GB pieces so that each will fit onto a DVD...use the terminal:
hdiutil segment -segmentSize 4g -o ~/Desktop/iPhotoSegment ~/Desktop/iPhotoBackup.dmg
This will create multiple disk images on your desktop titled iPhotoSegment.dmg, iPhotoSegment.002.dmgpart, iPhotoSegment.003.dmgpart, etc.
You'll notice that double clicking on iPhotoSegment.dmg automatically joins them all into one. So if you back up each segment onto a DVD, you'll always be able to join them in the future by copying them back to your hard drive and double clicking on the first segment.
Chris
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Posting Junkie
Join Date: Mar 2004
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That's so complicated compared to Backup. Choose file(s). Select discs then hit OK when it says do you want to burn multiple discs.
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Grizzled Veteran
Join Date: Oct 2003
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The only thing necessary for evil to flourish is for good men to do nothing
- Edmund Burke
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Senior User
Join Date: Oct 2001
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wow thanks for the great posts. im going to try a few and see which works out. thanks again.
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Senior User
Join Date: Oct 2001
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well .mac won't work as a trial. i can only back up to an idisk with a trial account.
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Posting Junkie
Join Date: Mar 2004
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You don't have to back up to the iDisk. Backup.app lets you burn discs or save to externals as well.
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Grizzled Veteran
Join Date: Mar 2003
Location: London/Plymouth, England
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But only if you have the full version - trial version backup is limited to iDisk.
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Posting Junkie
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Dedicated MacNNer
Join Date: Sep 2004
Location: Seattle
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Originally Posted by chabig
You can create a disk image of your iPhoto library. Let's say you create an image called iPhotoBackup.dmg and put it on your desktop. Then segment the image into 4GB pieces so that each will fit onto a DVD...use the terminal:
hdiutil segment -segmentSize 4g -o ~/Desktop/iPhotoSegment ~/Desktop/iPhotoBackup.dmg
This will create multiple disk images on your desktop titled iPhotoSegment.dmg, iPhotoSegment.002.dmgpart, iPhotoSegment.003.dmgpart, etc.
You'll notice that double clicking on iPhotoSegment.dmg automatically joins them all into one. So if you back up each segment onto a DVD, you'll always be able to join them in the future by copying them back to your hard drive and double clicking on the first segment.
Chris
I'd feel safer using tar and -M (disk spanning option). At least if some data gets corrupted u can get partial files out. Not sure if hdiutil does.
tar -cvpMf tarfilename locationtobackup
IIRC the Tiger version of tar does support resource forks.
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MBP 1.83
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