Apple Time Machine 101 - Seagate Style


Formatting a drive for Time Machine in 10.11
Formatting a drive for Time Machine in 10.6 to 10.10
Setting up the external drive to be used with Time Machine
Excluding items from Time Machine backup plan
Restoring data from Time Machine backup


Formatting a drive for Time Machine in 10.11:

Note: Reformatting the drive will erase all data on the drive, so you should copy any data you
 want off the drive prior to formatting.

 

  1. Open Finder > Applications > Utilities > Disk Utility
  2. Select the external drive.
  3. ​Select Erase.
  4. Enter Volume information (Name, Format, and Scheme).
  5. Select Mac OS Extended (Journaled) for Format.
  6. Select GUID for Scheme.
  7. Select Erase.
  8. Once complete the drive will be ready to use with Time Machine. At the end of this process, if a window opens asking if you would like to use the volume with Time Machine select Use as Backup Disk.
 

Formatting a drive for Time Machine in 10.6 to 10.10:

Note: Reformatting the drive will erase all data on the drive, so you should copy any data you
 want off the drive prior to formatting.

 

  1. Open Finder > Applications > Utilities > Disk Utility
  2. Select the external drive and click on the Partition tab.
  3. Click on the Current Volume Scheme drop-down menu and select 1 partition.
    Note: More than 1 partition can be created but for this document, we'll just stick with a single partition.
  4. Enter Volume Information (e.g., Name, Format, etc.)
  5. Select Mac OS Extended (Journaled) for Format.
  6. Select Options and select GUID.
  7. Click on the Apply button located in the bottom right corner of the Disk Utility window. The Partition Disk confirmation window opens.
  8. Click on the Partition button. At this point, the drive is partitioned and formatted. At the end of this process, if a window opens asking if you would like to use the volume with Time Machine select Use as Backup Disk.
 

Setting up the external drive to be used with Time Machine:
 

  1. Open System Preferences.
  2. Open Time Machine.
  3. Click on the Select Disk button. A window opens showing External Storage Drives connected to your Mac.
  4. Select a drive and click on the Use Disk button. At this point the Backup Disk is selected and the next Time Machine Backup will start in 120 Seconds (2 Minutes).
 

Excluding items from Time Machine backup plan (Options):
 

  1. Open System Preferences.
  2. Open Time Machine.
  3. Click on the Options button. An options window opens
  4. Click on the + button to change what is excluded by Time machine.
  5. Select files/folders and click on the Exclude button. At this point the folder size Calculations and Adjustments are made.
  6. Click on the Done button to finish. At this point Time Machine prepares the drive and backs up selected data.
 

Restoring data from Time Machine backup:
 

  1. Open Finder - Applications - Time Machine.
  2. Time machine opens. You can navigate Time Machine through the following:
    • The Graphical Timeline to the right of the Time Machine window
    • The Up/Down Arrows
    Browse to, and select files/folders you wish to restore.
  3. Click on the Restore button. Address any prompts that appear on the screen (grant Administrative access, etc.).
  4. Click Continue. Data is restored to your Mac.

 




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