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disc utility inconsistent free space

Hey guys,
My hard drive reports inconsistent free space using various methods.

When I click "get info" on my Macintosh HD, it reports 18GB free.
When I use disk utility, it reports 7GB free.

After verifying the partition, I ran a disk repair using the disc utility on startup and the free space bumped up to 12GB. Strangely, when I exit startup repair and run disk utility after entering the OS, disk utility still reports 7GB. Re-entering the startup disc utility reports 12GB free space!

My hard drive is an OCZ Vertex II LE 60GB SSD.

Ultimately I am trying to create a partition for bootcamp, but it keeps telling me i have less than 10GB free space. I can understand if "get info" is unable to see certain files due to permissions, but why should disk utility report different values via startup and OS? Is there any way around this so that I can get bootcamp to allow me to create the partition?

Any help would be great, thanks!

-Jon

macbook pro 2009, Mac OS X (10.6.7), OCZ Vertex II SSD

Posted on Apr 2, 2011 8:04 PM

20 replies

jonlee016 Author

Level 1

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Apr 4, 2011 10:21 PM in response to Pondini

Yes, I'm definitely using the Snow Leopard disk (that came with my MBP).

Pondini

Level 8

38,863 points

Apr 5, 2011 7:49 AM in response to jonlee016

Then I don't know why there's such a large difference. I've never noticed it anywhere near that large.

If it indicates a large amount available, then fails to make a partition that large, the indication is clearly wrong.

When I get some time, I'll experiment with this, and file a bug report.

If you want, you can do the same. See [Reporting a Problem to Apple|http://web.me.com/pondini/AppleTips/BugReport.html].

Be sure to explain exactly what you're doing, and attach a screenshot of the display you see when using DU while running (you can't make a screenshot while running from the DVD).

jonlee016 Author

Level 1

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Apr 5, 2011 2:52 PM in response to Pondini

I guess it's a bug then.

I'll file a report with a screenshot per your recommendation.

Thanks!

Message was edited by: jonlee016

Pondini

Level 8

38,863 points

Apr 5, 2011 3:10 PM in response to jonlee016

Cool.

I'll do the same, if I get the same results, when I can get time to try it.

Aug 18, 2011 8:32 PM in response to jonlee016

I just had the same issue on my wife's Air:
Finder shows 39 GB, Disk Utility — 18 GB.

So I found a workaround:

1) Go to Partitions in Disk Utility and resize your partition a bit.

Voilà. After resize is finished, Disk Utility shows space correctly.

2) Go to Partitions again and change back the partition size.

Stupid but it worked for me.

I tried terminal fsck, Safe mode with disk check on system load, Disk Utility in Repair mode — nothing worked but this.

Now Boot Camp works. Installing XP.

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disc utility inconsistent free space