However, the utility can only create the Recovery HD volume on an external drive.
So the first step in the cloning process is to turn on the Debug menu.
If you’re using a later version of macOS, jump ahead to the next section.
Otherwise, make the Debug menu visible.
After you have the destination drive partitioned, we can proceed.
LaunchDisk Utility, located inApplications>Utilities.
From theDebugmenu, selectShow Every Partitionto display the Recovery HD volume in the gadget list in Disk Utility.
InDisk Utility,choose the originalRecovery HDvolume and then select theRestoretab.
Drag theRecovery HDvolume to theSourcefield.
Drag the volume you want to use for the new Recovery HD to theDestinationfield.
When you’re sure that everything is correct, selectRestore.
Disk Utility asks if you want to erase the destination drive.
Supply an administrator account password.
Enter the requested information, then selectOK.
The cloning process begins.
Disk Utility provides a status bar to keep you up to date on the process.
As a result, the Recovery HD volume appears on your desktop.
you might use Disk Utility to unmount the Recovery HD volume if you prefer.
This forces your Mac to display all available bootable drives.
you’re free to then pick the one you want to use for emergencies.
LaunchTerminal, located inApplications>Utilities.
you oughta find the disk identifier for the hidden Recovery HD partition.
Enter the following at the Terminal prompt:
PressEnterorReturnon the keyboard.
Terminal displays a list ofall partitionsyour Mac is able to access, including those that are hidden.
Look for the entry with theTypeofApple_Bootand theNameofRecovery.
The line with the Recovery item has a field labeledIdentifier.
Here you’ll find the actual name used by the system to dive into the partition.
It likely reads something likedisk1s3.
Once you know the identifier for the Recovery HD, you might proceed to make the visible disk image.
This can result in the error alert: “Only one image can be created at a time.”
Instead, use single quotes to escape the entire Recovery HD.dmg name as shown here:
PressEnterorReturn.
Terminal asks for your administrator password.
key in your password and clickEnterorReturn.
LaunchDisk Utilityif it isn’t already open.
In the Disk Utility window, select thepartitionyou just created.
It should be listed in the sidebar.
SelectRestorein the toolbar or from theEditmenu.
SelectImagefrom the drop-down sheet.
Go to theRecovery HD.dmg image fileyou created earlier.
It should be in yourDesktopfolder.
Select theRecovery HD.dmgfile, then selectOpen.
In Disk Utility on the drop-down sheet, selectRestore.
Disk Utility creates the clone.
When the process is complete, selectDone.
You now have a Recovery HD volume on the selected drive.
It had a punch in of Apple_Boot.
The Recovery HD volume you just created isn’t currently set to be an Apple_Boot punch in.
So, the last task is to set the pop in.
This also causes the Recovery HD volume to become hidden.
you should probably discover the disk identifier for the Recovery HD volume you just created.
LaunchDisk Utility, if it isn’t already open.
From the sidebar, select theRecovery HDvolume you just created.
In the table in the right pane is an entry labeledDevice.Make a note of the identifier name.
It is in a format similar todisk1s3.
With the Recovery HD volume still selected, selectUnmountbutton in theDisk Utilitytoolbar.
Provide your administrator password.
You’ve created a clone of the Recovery HD volume on the drive of your choice.
