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You can't create an ISO image from a non-image file. hdiutil and especially hdiutil makehybrid expect an image or a directory (not necessarily containing files!). But you don't have to unzip/unarchive anything. Just create a folder with the name MAKE, move the gz file into it and then enter hdiutil makehybrid -o ~/make.iso ~/MAKE -iso -joliet. The ...


To expand your CoreStorage Logical Volume Macintosh HD you have to delete the blocking NO NAME EFI partition (disk1s5). The two unnamed parts (138.62 GB and 99.9 GB) are no partitions but unallocated disk space. To remove the second EFI partition (and expand Macintosh HD) you have to boot to Internet Recovery Mode or an OS X system on an external device. ...


The maximum allocation block (or cluster) count for exFAT is 2^32 = 4,294,967,296. To get the minimal size of an allocation cluster on your partition divide the size of your partition through 2^32. Examples: for a 100 GB partition the minimal size is 100,000,000,000 bytes/4,294,967,296=~23.3 bytes. Since the smallest device block size is 512 bytes, the ...


This was a problem for me too. I booted from an external disk (USB stick in fact), ran disk utility, then Onyx found no problems.


hdiutil will show information about all mounted DMGs: hwd@hwds-iMac:~$ hdiutil info framework : 415 driver : 10.11v415 ================================================ image-path : /Users/hwd/Downloads/mountedImageOne.dmg image-alias : /Users/hwd/Downloads/mountedImageOne.dmg shadow-path : <none> icon-path : ...


Ok, I figured out an alternative method - I was able to combine the partitions using the diskutil mergePartitions command (e.g. diskutil mergePartitions JHFS+ MacHD disk0s2 disk0s4). Hope that helps anyone else with the same issue!

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