Also, the SpareVolume partition is not created as an empty partition, that particular combination uses all the extra space. Note that this is all one line formatting of the blog separates it into multiple lines.
To do this the command is:ĭiskutil partitionDisk /dev/disk2 GPT JHFS+ Mavericks 7g JHFS+ Yosemite 7g JHFS+ ElCapitan 7g JHFS+ SpareVolume 0b We need to create three journaled HFS+ (JHFS+) partitions. I am not responsible for the loss of any data. In my case, it was /dev/disk1 you may need to replace for the rest of the tutorial, just be cautious as to not delete other partition on any other drives you may have connected. First we need to discover the disk we will partition, to find this out plug in the USB and use the command: I picked up a 64GB PNY USB 3.0 at Best Buy for less than $20.
#Boot mac os x mavericks dmg archive to thumb drive install#
Same thing, it would not install and gave the same prompt. So I tried it with the Install OS X Yosemite.app as well. Verifying the checksum, everything looked normal. The only way to obtain a bootable OS X Mavericks USB flash drive is to create your own: The Marek Bell blog notes that creating a bootable flash drive of Mavericks is a bit more intricate than Mountain Lion because it is no longer possible to simply restore the InstallESD.dmg to get a bootable image for USB / Flash drive installation. Sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia -volume /Volumes/Mavericks-I -applicationpath /Applications/Install\ OS\ X\ Mavericks.app -nointeractionĪnd booted the Mac into the installer it said that the installer could not complete because it may have been corrupted during download.
When I ran this command to create the Mavericks partition In the beginning, I ran into a couple of problems of creating the bootable USB. This covers most of the Mac's supported by my organization because for the most part we don't deal with imaging, we just re-install the os when we have any problems. Instead of carrying around three or four different USB sticks, and since a 32GB or even 64GB USB is so cheap why not create one USB with the different installers you need?įollowing the Building an OS X Triage Drive at The Instructional, I decided to create a bootable USB with Mavericks (10.9), Yosemite (10.10), and El Capitan (10.11). Sometimes the installer doesn't cover every model of MacBook, or iMac. Having a bootable OS X installer on USB is essential for any technician or administrator to have with them.