When I attempt to verify I get an error saying the disk needs repaired, and when I try to repair it says that it can't repair the disk.Īny recommendations? Is there another utility I could boot from CD and reformat/partition that way? Unfortunately I don't have the means to easily pop this in another machine to check it out. I've tried various numbers and sizes of partitions, as well as formatting the drive, and I get the same error. I have since switched to the motherboard's optimized default configuration with just ACHI and 64-bit HPET modifications.
The command sudo diskutil unmountDisk force /devdisk0 failed because at least one volume could not be unmounted.
#MAC DISK UTILITY PARTITION FAILED SERIES#
This is the first in a series of three articles looking at the internals of Mac file systems, the parts that Disk Utility refers to when it runs First Aid on them. The diskutil list command brought up just /dev/disk0 (plus disk0s1, disk0s2 and disk0s3). Inside the file system: 1 Disks and partitions. Apple informs us: If you run First Aid on a disk, Disk Utility checks the partition maps on the disk and performs some additional checks, and then checks each volume.
It appears to work fine but when it actually partitions it (when it is finished with the process) the partion.
#MAC DISK UTILITY PARTITION FAILED PLUS#
All I did was open Disk Utility, choose my HD, click partition on the tab on the right, click the plus sign, resize it to 50 GB and then click apply. Read Disk Utility’s Help book, and you might wonder why there’s any need for this article. I am trying to partition 50GB of my Macintosh HD for use with Linux. I updated my BIOS to the most recent version and started with the optimized BIOS settings found over at Lnx2Mac. Trying to erase my hard drive and it won’t unmount: Disk erase failed. The version that I’m using is 19.0 (1704), as supplied with macOS Catalina 10.15.7. I have a new Seagate Barracuda 500gb drive that shows up on the post screen and is recognized by Disk Utility, but when I try to partition it, progress gets halfway and hangs up for a few minutes until finally the I get the message: "Partition failed with the error: File system formatter failed." Hello, this is my first build and I'm getting hung up in the OS 10.6.3 installation when trying to partition my hard drive. Building a CustoMac Hackintosh: Buyer's Guide
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