OS X V10.7 Lion :: Time Machine And Disk Permissions + Compatibility With Snow Leopard?
Jun 29, 2012
I have received warning from Disk Utility that I should repair permissions as several files show incorrect permissions and, more than that, my 750GB shows "769GB available".
1. If I use Command+R and rebuild the disk from a Time Machine backup, will permissions be reset or will the files just be copied as they are now?
2. Is there a way to verify the TM backups to check the files therein?
3. Suppose, just for the sake of an exercise, that I reload Snow Leopard; can I still use SL's Time Machine to read a Lion Time Machine backup?
Info:
MacBook Pro (17-inch Late 2011), Mac OS X (10.7.3)
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Aug 29, 2009
Update: "Magically," the backup is working over AirPort Disk. I'll chalk it up to a Snow Leopard ghost. I have been backing up to a WD My Book 1TB drive connected to my Airport Extreme router without any problems. Yesterday I upgraded to 10.6 (installed over 10.5.8, not a clean install) and have been having problems with Time Machine since. After the OS finished installing, I attempted to perform a wireless backup. Everything mounted properly, and it began a 10GB backup. When it got to around 5.8GB, Time Machine came up with a network error message (not sure which one exactly) and stopped the backup.
At this point I just connected the drive directly to my computer to perform the backup, and it did so without any hiccups. But now I can't even connect to the AirPort disk, let alone try to backup to it. Time Machine says it's not configured, and when I try to browse for my Time Machine Backup Disk it won't let me select it, even though the drive shows up in AirPort Utility. I've enclosed a screenshot of what I'm seeing. Does anyone have any tips to help me get this mounted and working again? This is not turning out to be as painfree an update as advertised.
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Mar 7, 2012
My MBPro is getting cranky in a number of ways that indicate a reinstall of Snow Leopard is in order. After the requisite disk first aid check I attempted to run the installer only to get a dialog box telling me that the system cannot be installed because this disk is used by time machine. The MacBook disk is of course a source for back ups but not a back up drive. Even after restarting and explicitly turning off Time machine I get the same results.What do I need to set to allow the installer to run. The installer cd is a stand alone snow leopard install cd, not a machine specific cd.
Info:A buncha Macs, IPad, iphone, iPod
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Jun 13, 2012
For sharing my iPhoto Library among multiple users on a MacBook Pro running, currently 10.6.8, I have by a Apple Support guide created a disk image file, and mounted it for storing my pictures without permission issues.However, to account for future expansion, the disk image is made to be 100 GB, while current photo library size is approx 50 GB. Is there any way of getting Time Machine to backup the files within the mounted disk, rather than backing up the disk image file itself? So that the size of the backup at present would be the actual size of contents of the disk, rather than the whole disk image file itself? And furthermore, by copying a disk image file, will the actual files within also be backuped?
Info:
MacBook
Pro, Mac OS X (10.6.8)
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Jun 2, 2012
Disk Utility says there are a bunch of disk permissions that need repairing. I hit repair and disk utility says that it repaired those disk permissions. But when I verify, it says they still need to be repaired.
Info:
Mini 2.4Ghz, Mac OS X (10.6.8)
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Jun 24, 2012
In order to use Lion’s encrypted (Core Storage) external drive feature, I needed to reformat an external 1TB drive with Apple Partition Map, as that works only with GPT. The only partition was HFS+J formatted and was used as Time Machine Backup, which I wanted to preserve.
Act I:
I connected the drive to another iMac running 10.6 which happened to have enough space on the internal HD. I read this article http://support.apple.com/kb/HT5096 , which describes how to copy the BackupDB just by drag and drop. In hindsight, that was a bad idea, I should have created a disk image like suggested elsewhere, but if Apple itself suggests it, it can’t be so bad right?
So I just dragged the whole BackupDB to random folder on the iMac (after enabling ownership), and apparently it copied correctly the dir-hardlinks, as the resulting folder had the same size.
It seems that the Finder activates a special dir-hardlink aware copying mode when one does this. This is also confirmed by the fact that the Finder will refuse to copy the BackupDB together with other files, you have to drag and drop the BackupDB only.
Act II:
I reformatted the external drive as HFS+J with GPT and activated ownership.. But now, when I try to copy the BackupDB back, it continues to count indefinitely the number of files to copy! I speculate that the special dir-hardlink aware mode is not activated, but what can I do? How can I trigger it? Is there some hidden command line tool which handles this?
The lesson I’m drawing from this is: use the method described in the article only if you copy the backupDB from your old to your new drive.
Info:
Mac OS X (10.6.8)
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Jun 12, 2012
I am having problems with my Mac running slow. I had a friend guide me to run a "repair disk permission".I did that but I am not sure if I am to click clear history.Also should I do anything else to help my Mac run better?
Info:
iMac, Mac OS X (10.6.8)
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Jun 19, 2012
I got SMART warning about my hard disk, I got it replaced by a shop, but said I would do OS restore myself. (cant afford cost )Thought it would be simple - but it is anything but. It appears my install DVD is damaged, so was not able to boot with Grey OS install disk - holding the C key.I managed to get iMac to boot up using the old disk - using firewire dock. However I was not able to restore old disk and OS to new disk, Due to IO read error.(this is why I had the SMART warning). So I am unable to get the OS on the new HD using the old disk or the DVD as these are both damaged. The computer is running, so I thought I would try buying and downloading LION - then using the migration tool . The download is still running after 2 days.I went to apple store, and was told that they cannot replace DVD , so I should bring in the iMac = and pay for the restore. Dont wish to do this. As I have the computer and OS running, is there anything I can do to get a time machine restore from another backup disk (USB).
Info:
iMac, Mac OS X (10.5.6)
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Mar 29, 2012
I would like to delete a load of disk permissions. They are continually needing to be repaired and I don't recognize any of the names of the apps, and if I do, I would prefer to uninstall them.
Is this crazy? The main reason is that I am using drive genius 3 which continually monitors the health of the drive using 'drive pulse'. It comes up with 'critical' repairs needed each day and they are the same ones so I would prefer to just ditch them if possible?
Also, what I would really like to know is how I can use the command line to 'batch' delete these suckers.
Info:
Intel Dual Quad Core Mac Pro, Mac OS X (10.6.6), 12 GB RAM, Motu 828 Audio interface FW 400, Logic Mackie Control
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May 25, 2012
I've found some possible solutions in other threads, but none worked. So here goes. I have an internal disk called "Maryam" I use for projects (not my startup/system disk). For some reason, when I send files from it to trash, I get this:
Here's how it looks in my Get Info: Here's how it looks from Sharing: None of my other disks have this problem. Why and what do I need to do?
Info:
MacPro (Early 2008), Mac OS X (10.6.8), 2 x 2.8 Ghz Quad Core, 8GB RAM, ATI Radeon HD 2600
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May 30, 2012
I repaired my disk premmisons on my mac, but in the history it says, Warning:Suid File "System/Library/core....as been modified and will not be repaired
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Feb 17, 2012
I just upgraded to Lion and want to revert back to Snow Leopard. I don't believe I ever backed anything up with time machine. How can I revert back to Snow Leopard without loosing all my programs and files?
Info:
Mac OS X (10.7.3)
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Jul 6, 2012
I have always backed up all of my important data on to external Hard Drives/CD's/DVD's etc manually however to make life easier, I have now decided to start using Time Machine (should have done so a long time ago I know). I am also about to upgrade my iMac from Snow Leopard to Lion. My question is, should I perform a Time Machine back up before the upgrade or would it make sense to upgrade to Lion first & then perform the Time Machine back up.
The only advantage I can see by running Time Machine before the upgrade is in case there is an error/corruption in the upgrade process but having never used TM
Info:
Mac OS X (10.7.2), iMac G4 15" 700, 2nd Gen iPod 10GB, iPhone 16GB, iPhone 3G 16GB
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May 17, 2012
I have just upgraded my system mac book pro from 10.6.8 to 10.7.....but it become slow and graphic problem also....can any one suggest how do i downgrade my system back to 10.6.8...I do have Time Machine backup for 10.6.8 working time a day ago..
Info:MacBookPro, Mac OS X (10.7)
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May 26, 2012
My time machine was working perfectly with Snow Lepoard and prior to my upgrade to Lion I turned off the time machine located on an external drive.
After my successful upgrade to Lion including all my files and applications I wanted to use the Snow Leopard backup but it was no longer showing in time machine at all.
Is my Snow Leopard backup gone forever? I would like to have it back.
Info:
MacBook Pro, Mac OS X (10.7.3), 13-inch, Mid 2009 - 2.53 C2D 4GB
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Jul 1, 2012
I have a Buffalo Ministation 1T (as my portable hardrive), been using it for about 3 months and works perfect, nothing wrong with it at all and time machine formatted it straight away. I recently got the Samsung G3 Station 2T (as a back up to the buffalo) and Time machine says "There was an error erasing the Time Machine backup disk SAMSUN. Could Not Unmount Disk". Then in disk utility when i click erase from (MS - DOS (FAT) To (Mac OS Extended (Journaled)) it says "Volume Erase failed with the error: Could Not Unmount Disk".
Info:MacBookPro, Mac OS X (10.6.8)
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Feb 13, 2012
Why is time machine saying that it cannot restore a file due to access persmissions when all I'm trying to do is restore a single file for my one and only user on the same computer that created the backup? Shouldn't that just work?
Info:
MacBook Pro, Mac OS X (10.7.2)
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Feb 26, 2012
I upgraded to Lion and cannot access my Quicken files. I understand that I have to go back to Snow Leopard to export the Quicken files, but I don't see how to restore Snow Leopard from Time Machine. Or, how to boot up directly to the external drive?
Info:
MacBook Pro, Mac OS X (10.7.3)
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Feb 24, 2012
I have an iMac running on snow leopard and am thinking of getting a macbook air running on lion. Does anyone know if I can use the optical drive on my iMac to install software on the macbook air?
Info:
MacBook Air
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May 9, 2012
i have a an Exteranl USB Enclosure that contains a 3.5" IDE drive, this works fine when plugged into my 15" MacBookPro with LION and it also worked perfectly when i had Snow Leopard. So why does it NOT work when plugged into a friends 13" MacBookPro with it
Info:
MacBook
Pro, Mac OS X (10.7.3), iPad 2, iPhone 4S
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Jul 1, 2012
Running 10.7.4, MacBookPro Mid 2010.
After hardware failure (read heads on HD gave out. AppleCare replacement of HD. Third party data recovery and reinstall on my new HD.) I connected new Ext HD for Time Machine, and Time Machine has corrupted my startup volume.
Took to the repair shop and they said the Time Machine preferences file was corrupted, which left all my system drive data in a read-only state after backup. They trashed the pref file, and reset the permissions/read-only flags on my startup volume.
1) How do I reset the file permissions myself? (so I can nuke my Time Machine backup, manually back everything up, and manually recreate my entire system drive?)
2) Do you think since the data recovery place (Apple Authorized BTW) rewrote all my original data to the new HD, some "random" corruptions were copied over? Or is this a problem with Time Machine? (Which is why I want to do a manual reinstall/restore.)
Info:
MacBook Pro, Mac OS X (10.7.3)
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May 14, 2012
Running Disk Utility's Repair Disk function from DVD, how long should this take to complete with a 1 TB drive? It's been nearly 24 hours so far. I booted the computer from the DVD, and after verifying the disk was told the disk needed repair.
Info:
iMac G5, Mac OS X (10.4.3)
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Jun 17, 2012
I plan to 'clean up' my Time Machine/Time capsule completely, whereby I want to make it impossible for third parties to recover all or part of these old backups.After I have accompished this I want to start from scratch backing up my Mac.
Info:
iMac 27" i7, Mac OS X (10.6.6)
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Apr 29, 2012
Trying to setup time machine, but the on off graphic is missing, and the select disk button, although the words are there
Info:
MacBook Pro, Mac OS X (10.5.8)
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Jun 5, 2012
How do I reformat a disk to use for Time Machine?
The disk is from Seagate, a GoFlex Home unit that was used originally by someone else with a PC.
Info:
Mac mini, Mac OS X (10.5.8)
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Jun 3, 2012
I cannot seem to set up Time Machine using Time Capsule on my MacBook Pro. Evidently when I initially set up AirPort Extreme, I failed to select it as the backup disc.
Info:AirPort Extreme 802.11n (4th Gen), Mac OS X (10.6.8)
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Jun 11, 2012
I get the message now and then when Time Machine fails to backup to external disk:
"Time machine could not complete the backup. Unable to complete the backup. An error occurred while creating the backup folder."
This periodically occurs even though the previous hourly backup was OK.
Info:
PowerMac, Mac OS X (10.7.1)
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Feb 27, 2012
I have my data saved on an external hard drive (OS 10.7) as I sold my previous Mac and am thinking about buying a power pc iMac using Leopard - does anyone know whether this will be able to open and transfer my data to the older Mac?
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Jun 28, 2012
I'm low on internal hard drive space. Am using Time Machine. It appears that Time Machine is creating disk images in my downloads folder, taking up even more space. Is there some way to limit or stop that process and just use Time Machine to back up.
Info:
MacBook Pro (15-inch 2.4/2.2 GHz), Mac OS X (10.5.8)
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Nov 4, 2010
For over two years my iMac has been running like a Swiss watch but in the past months I've had endless problems with disk permissions which has drastically slowed down my machine. I've erased my hard drive twice and reinstalled my OS but the problem keeps returning. Can my time machine drive be reinfecting my iMac? Or is my boot drive going bad and needs to be replaced?
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