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Erasing Free Space...Running Out of HD Space?
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Mac Elite
Join Date: Jan 2003
Location: 127.0.0.1
Status:
Offline
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Earlier I attempted to erase the free space on my drive using Disk Utility but ended up receiving "disk almost full" messages and bringing Tiger to its knees, despite having 20 GB of free space. I literally had 0 K of space left.
Deleting the "Recovered Items" folder in my trash can brought the space back, but not before Tiger started acting up. Another reboot brought the system back to normal.
A quick search of help revealed this quote:
You might see a message saying that you are running out of disk space, but you can ignore that warning. When this operation is complete, you will have the same amount of free space as you did when it started.
Ignore the warning? Tiger was literally brought to its knees! And that was with just ONE pass. I hate to have seen what would have happen with, say, a seven pass erase.
Is this even meant to be used while booted to the startup disk?
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Junior Member
Join Date: Dec 2003
Location: sheung wan, hong kong, p.r.c.
Status:
Offline
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I have had the same problem, but with no apparent reason. Sometimes (it has happened a few times since I installed Tiger) hard disk free space just starts disappearing during normal operation. Typically, I have Safari, Mail, iCal, Adium, Devonthink, Address Book, iTunes and Stickies open.
At one time, I resolved the problem by shutting down all open applications. Finder then reported the correct amount of free space. Other times, I've had to restart (haven't tried to just logout, though).
I also tried to empty Trash, but it helped only for a few minutes. I could actually see Finder count down the free space until it reached 0 Kb.
Anyone have a clue as to what causes this? All suggestions appreciated!
/marcus
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Addicted to MacNN
Join Date: Jun 1999
Location: Las Vegas, NV, USA
Status:
Offline
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Originally Posted by alphasubzero949
I hate to have seen what would have happen with, say, a seven pass erase.
I don't know how Apple could change this because what you saw was normal. The method disk Utility uses to erase the free space is to write a file to the hard drive that fills the free space, then it deletes that file. The OS sees the free space getting low so it puts up the warnings. Remember, in OS X, the apps and the OS don't step on each others' toes. So you ignore the OS warnings, the app finishes and all is well.
Chris
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