How to Migrate a Time Machine Backup to Another Drive

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Perhaps your Time Machine drive is full. Perhaps you’re frightened about an older exhausting drive dying on you, taking your backups with it. Regardless of the cause, you need to migrate your Time Machine recordsdata from one exhausting drive to the opposite.

Excellent news: it’s comparatively easy. All you really want to do is format your new drive appropriately, drag over the recordsdata, and set your new drive up to be the backup vacation spot. There are a few particulars to take into consideration alongside the way in which, nevertheless, so let’s go over every part step-by-step.

Step One: Flip Off Time Machine

Earlier than you do something head to System Preferences > Time Machine in your Mac and uncheck “Again Up Robotically.”

The reason being easy: you don’t need a new backup beginning when you’re migrating your recordsdata. It can gradual you down and probably introduce conflicts.

Achieved? Good, let’s preserve going.

Step Two: Join and Format Your New Drive

Go forward and plug in your new exhausting drive. It’s probably not formatted correctly, so we’d like to use Disk Utility to get issues excellent. Open Disk Utility with Highlight, or by heading to Functions > Utilities > Disk Utility within the Finder.

Click on your new exhausting drive within the left panel, then click on “Erase.” Be sure to’re not erasing your previous Time Machine drive earlier than doing something.

Write the drive as “MacOS Prolonged (Journaled)” utilizing the “GUID Partition Desk”.

A number of issues to take into accout:

Click on “Erase” while you’re prepared and the drive shall be reformatted.

Step Three: Copy Your Recordsdata

Now we will copy our recordsdata over from the previous Time Machine backup to our new one. Head to the previous drive and also you’ll see a folder known as “backups.backupd.”

Drag this whole folder over to your new drive. The method will more than likely take a few hours, so plug your laptop computer into the outlet and think about protecting your Mac awake to be certain this will get achieved.

Word that issues work a little in another way for Time Machine backups over a native community due to how community drives retailer issues. There are sparsebundle recordsdata, one for each Mac that backs up to the vacation spot, every with a “backups.backupd” folder inside them. Should you’re migrating from one community backup to one other, merely drag the bundle(s) over from supply to vacation spot. Should you’re migrating from a community backup to a native drive, open the sparsebundle file; you’ll discover the “backups.backupd” folder inside, and also you’ll need to copy that over to your new exterior drive. Native drives can solely again up a single Mac.

Step 4: Change Time Machine Drives

When the switch is full head to System Preferences > Time Machine as soon as once more, then click on “Choose Disk.”

You will notice each your previous and new drives. Click on the brand new drive, then click on “Use Disk.”

You’ll be requested if you’d like to change or use each drives:

Click on “Exchange” except you’ve some cause to preserve two backups operating.

Be sure that “Again Up Robotically” is checked and you have to be good to go. A brand new backup will run on the brand new drive.

Your previous Time Machine backups could be discovered alongside your whole new ones. Take pleasure in!

Picture credit score: Tanyapatch/

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