Backing up to/from network volumes and other non-macOS-formatted volumes

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In addition to backing up to volumes formatted with the macOS standard HFS+ or APFS format (collectively referred to as "macOS-formatted" from here forward), CCC can copy user data files to network volumes (e.g. AFP and SMB via macOS and Windows File Sharing) and to other non-macOS-formatted volumes such as FAT32 or ExFAT. Non-macOS-formatted volumes are presented in CCC's Source and Destination selectors in the same manner as macOS-formatted volumes, so there are no special steps required for backing up to or from these filesystems.

Backing up to a disk image

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A disk image is a single file that contains the entire contents of another hard drive (except for the free space). When you want to access the contents of that filesystem, you double-click on the disk image to mount the disk image as if it were an external drive attached to the machine. We recommend using disk images sparingly. If you're backing up to a network volume and your Mac and the NAS device are connected to the network via ethernet, then a disk image may be a good fit. In most cases, however, disk images are not a great choice for your backup strategy.

Backing up large files, mounted disk images, and Virtual Machine containers

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Note: When backing up an APFS-formatted volume, CCC will copy files from a read-only snapshot of the source volume. The subject of this article is not applicable in those cases.

A caveat for backing up to a remote Macintosh that has no user logged in

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For improved detachability, macOS will unmount any non-internal volumes that are attached to the system when you log out. So, for example, if you log out of your computer while a USB or Thunderbolt hard drive enclosure is attached, you can detach those hard drive enclosures from the system without having to manually unmount them first. This is a good thing — it would be annoying if you had to log back in to your system just to eject a drive. The downside of this, though, is that if you have a CCC backup task that runs when no user is logged in, the destination volume may be unavailable.

Downgrading an APFS-formatted Fusion volume from Mojave

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If you upgraded your Mac to macOS Mojave and have decided to downgrade for one reason or another, the procedure is usually pretty straightforward. Fusion volumes, however, introduce a complication. Upon upgrading to Mojave, a Fusion volume will be converted from HFS+ to APFS. If you want to downgrade to High Sierra (or any earlier OS), you must reformat that Fusion volume as HFS+. Because APFS Fusion volumes are not handled gracefully by High Sierra, however, the procedure is a bit tedious.

What is CCC's Privileged Helper Tool?

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At its core, Carbon Copy Cloner is a product that is designed to make bootable backups of your Mac's operating system. In order for CCC to be able to make copies of system files, CCC needs to have the privilege of copying files that can't be read nor written by just any user – CCC requires elevated privileges to copy macOS system files. Likewise, CCC is often tasked with copying the data associated with multiple users. macOS prevents you from accessing files that belong to other users.

Werken met FileVault-codering

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CCC is volledig gekwalificeerd voor gebruik met door FileVault beschermde volumes (HFS+ en APFS). CCC biedt advies over het inschakelen van codering in het Schijfcentrum.

Codering inschakelen op een volume met een macOS-installatie (of die er een zal hebben)

Als u een opstartbare, gecodeerde reservekopie wilt maken, voert u deze stappen uit:

Taken ordenen

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Een taak toevoegen

U kunt taken op verschillende manieren toevoegen. Als u een nieuwe taak met standaardinstellingen wilt aanmaken, klikt u op het symbool + boven in de tabel Taken of kiest u Nieuwe taak in het menu Archief van CCC. Of klik op de knop Nieuwe taak in de knoppenbalk van CCC. U kunt ook een bestaande taak dupliceren: selecteer de taak in de lijst met taken en kies vervolgens Dupliceer in het menu Archief van CCC of klik rechts op de taak en kies de optie om de taak te dupliceren.

Geautomatiseerd onderhoud van de map CCC SafetyNet

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De inhoud van dit artikel is niet relevant als ondersteuning voor momentopnamen is ingeschakeld op een APFS-doelvolume. Raadpleeg Ondersteuning voor momentopnamen inschakelen en een bewaarbeleid voor momentopnamen instellen voor meer informatie over het bewaren van SafetyNet-momentopnamen.

Cloning Coach Configuration Concerns

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CCC determines whether your destination volume will be bootable and indicates any configuration concerns in the "Cloning Coach" window. If you see a yellow warning icon in the Task Plan header, you can click on that icon to see these concerns. CCC will also present these concerns to you the first time that you configure a backup task to any particular destination volume.