![]() ![]() stuff to include the partitions that diskutil said it erased & mounted in the prior step. diskutil will print things about erasing the physical partitions that made up the logical volumes, which in my case were /dev/disk0s2 (a 931GB partition on the internal hard disk) and /dev/disk1s2 (a 113GB partition on the internal SSD). Pay attention to the names of the devices that it just liberated on your system, since you’ll use those device names in the next step.Īt this point you have two empty HFS+ partitions that are not a Fusion drive anymore, so you’ll want to rebuild the LVG from those two physical partitions.ĭiskutil cs create 'Macintosh HD' / dev / disk0s2 / dev / disk1s2 and adjust the /dev/. LAST WARNING: FROM HERE ON OUT THIS DELETES ALL OF THE DATA ON THE HFS+ LOGICAL VOLUME (but it doesn’t delete the recovery partition).ĭiskutil cs delete FOO - BAR - BIZ - BAZ, where FOO-BAR-BIZ-BAZ was your lvgUUID.That’s the Logical Volume Group’s universally unique identifier, a.k.a. Using the mouse, copy the long alphanumeric string that’s on the third line of output after “Logical Volume Group”. (Maximize the terminal window that opens so it’s easier to see the output of the next step.)ĭiskutil cs list. ![]() From the Utilities menu of the “OS X Utilities” app, open Terminal.If you have gotten to this article you have probably already been into Disk Utility a few times already without success, so don’t open Disk Utility. ![]()
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