tronicvur.blogg.se - Backup mac to icloud vs time machine

the office and home), then Time Machine will backup to either drive that is available whenever it is connected to the Mac. If both drives are not connected simultaneously (which may be the case for having backups in multiple locations, i.e.

That means your backups will take twice as long if both drives are connected at the same time, though that generally has little impact on system performance for most tasks unless you’re really aiming to optimize performance on a Mac for resource intensive uses where speed matters. Because the secondary backup is starting from scratch, it can take a while to complete the first backup to it, so you will probably want to leave it connected for a while as Time Machine does its job.Īll future backups will be completed sequentially in turns, finishing on the first drive before moving on to backup to the secondary drive. The secondary drive will now be set as an additional Time Machine backup. * Optionally, you can set encryption for the backup(s) if you use it

Time Machine will now ask if you want to replace the existing backup disk or use both disks, choose “Use Both”.

Ignoring the already chosen “Backup Disks” section, look under “Available Disks” and choose the additional secondary backup drive to use, then choose “Use Disk” *.

Open Time Machine preferences, found within System Preferences via the  Apple menu.

Connect the additional drive to use for as a redundant backup to the Mac – if the drive is brand new you may need to format it first for OS X compatibility using Disk Utility.

This feature is available in all versions of OS X with Time Machine support: How to Use Multiple Hard Drives for Time Machine Backup Redundancy in Mac OS X

Time Machine can address any of these situations by allowing you to set a secondary backup drive, which provides an additional duplicate backup to another hard drive.