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Old Aug 3rd, 2012, 10:03 PM   #21
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I think he's asking if it's possible run the disk utility once it's restored to the recovery partition if the hard drive has become corrupted and requires repair(s).

Correct me if I'm wrong krs...
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Old Aug 3rd, 2012, 10:30 PM   #22
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Quote:
Originally Posted by Lars View Post
"OS X Internet Recovery" and "Recovery Partition" are not the same thing.
Yes, I realize that.

Quote:

The Recovery Partition has Disk Utility on it you can run that replaces the physical OS Install Disc. The "OS X Internet Recovery" with the 'limited user interface' is simply you looking at the network globe while it auto downloads via a progress bar the Recovery Partition and installs it.
That's my point.
When an install disk or install USB drive was available, one had that extra piece of hardware to run disk utility from.
With the "Recovery Partition" one doesn't - it needs to be installed on the same hardware that could be defective and needs fixing which isn't possible.

This Apple change basically forces Mac users with problems they could have fixed at home to cart their Mac to Apple or an Apple computer shop instead.......or make their own recovery partition on a USB drive or DVD or external drive - some piece of hardware different from the main hard drive.
And that recovery partition has to be made before there is a problem.
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Old Aug 3rd, 2012, 10:31 PM   #23
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That Recovery Partition is there out of the box and installed with every fresh install of OS X 10.7.+ automatically.
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Old Aug 3rd, 2012, 11:06 PM   #24
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Quote:
Originally Posted by kloan View Post
I think he's asking if it's possible run the disk utility once it's restored to the recovery partition if the hard drive has become corrupted and requires repair(s).

Correct me if I'm wrong krs...
In general I'm trying to compare the capabilities of fixing anything on the Mac using the recovery partition vs using the external install disk or USB drive.

The simple fact that the recovery partition resides on the main hard drive (or is downloaded to the main hard drive) rather than on a separate piece of hardware means that there are numerous scenarios where one cannot fix certain problems using the recovery partition concept compared to using a separate piece of external hardware.

Kloan - for the example you mentioned, if the section of the hard drive that the recovery partition resides on is not corrupt, then I would expect disk utility to be functional and be able to repair (or not repair) the portion of the hard drive that is corrupted.
But there is no guaranty of that.
Parts of the hard drive that the recovery partition uses may be corrupt or the recovery partition downloaded from the net may try to write to those corrupt hard drive areas.

With a separate install disk that is not a possibility - it doesn't matter how corrupt the hard drive is or where on the hard drive the corruption has occurred, the install disk is never affected since it is a completely separate and independent piece of hardware.
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Old Aug 3rd, 2012, 11:10 PM   #25
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Quote:
Originally Posted by Lars View Post
That Recovery Partition is there out of the box and installed with every fresh install of OS X 10.7.+ automatically.
True but irrelevant for what I'm asking.
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Old Aug 3rd, 2012, 11:25 PM   #26
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The fact that the Recovery Partition is a part of the same mechanical hard drive as the boot system doesn't really matter. If the drive is in good enough condition to run Disk Utility on - in a way that it will actually fix something - then the Recovery Partition will be bootable and usable to use Disk Utility from. The system disc, honestly, should not be missed.

If you find yourself in a situation, say, where the unit boots to a flashing question mark and neither the system partition or Recovery Partition are visible, it's pretty safe to say the drive has failed in most cases.

For more in-depth troubleshooting, you wouldn't use a system disc or Disk Utility anyway, considering it can only fix minor issues at best. For more in-depth troubleshooting, you'll want to boot off an external hard drive with better utilities or FireWire (if applicable) the unit to another Mac (Target Disk Mode).
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Old Aug 4th, 2012, 12:05 AM   #27
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Disk Utility has actually done some pretty amazing fixes for me, resurrected a MacBook Pro that the owner was going to turf because nothing on it would work.

But you're basically saying the scenario that I envision, where Disk Utility could be run from the install disk to fix a hard drive problem but not from the recovery partition, doesn't exist.
I find that a bit hard to believe but let's just leave it at that.
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