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Disk Utility Error: What is Live file system repair is not supported?

I have attempted to use repair disk in Mavericks for other than the boot desk and receive an error message, "Live file system repair is not supported? What is this message?

Mac Pro, Mac OS X (10.6.8)

Posted on Jan 2, 2014 10:59 AM

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Posted on Jan 2, 2014 11:44 AM

It is likely related to the way Mavericks updates volumes to be bootable with its new EFI partition scheme. Make sure you select the actual partition and NOT the volume or disk as it will likely include this EFI partition and generate this error. "Live file systems" are files curremtly used or protected by the system from being altered.


See the following Apple support docs with more info. (Repair errors, Using Disk Utility for repairs)

23 replies

Aug 27, 2014 9:09 PM in response to ironteeth

Instead of turning off all file sharing in System Preferences: Sharing, simply select the volume, do Get Info (Cmd+I) and uncheck the "Shared folder" box. I was then able to run Repair on the volume that had been reported as "live."


I don't know why Mavericks has to be so tenacious when trying to unmount a shared volume. Is it a feature or a bug?

May 2, 2015 9:11 AM in response to MFletcherOffice

I have this problem occasionally with OS 10.9.5 with external drives with (Mac OS extended (Journaled)) format. The disks are not writable and cannot be verified or repaired. The fix I found is to boot in safe mode (hold down shift at start of power-up) and then run disk utility to repair the disk partitions with a problem. You can then reboot in normal mode and everything should be fine.

Disk Utility Error: What is Live file system repair is not supported?

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