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Some backup volumes don't appear in the Finder sidebar

CCC è una utility avanzata per i backup e la copia di file per il Mac.

Requisiti di sistema

• macOS 10.15 Catalina
• macOS 11 Big Sur
• macOS 12 Monterey
• CCC è un'applicazione nativa su entrambi i Mac, Intel e Apple Silicon (ossia un'applicazione "universale")

Versioni precedenti di CCC sono ancora disponibili per gli utenti che utilizzano sistemi operativi più vecchi. Si noti che queste versioni più vecchie non sono attivamente sviluppate e il supporto viene fornito in base ai casi specifici.

CCC 6 offre una responsabilità senza precedenti per le tue operazioni di backup oltre a una nuova copiatrice più veloce, più intelligente e progettata per adattarsi al rapido ritmo di innovazioni del sistema operativo e del file system di Apple. Pensiamo che questa nuova versione di CCC abbinata a un'interfaccia più elegante e moderna ti piacerà moltissimo.

Some Big Sur startup volumes don't appear in the Startup Disk Preference Pane

In the past, the Startup Disk Preference Pane would list all available startup volumes, including CCC backup volumes. When Apple's APFS replication utility is used to copy a Big Sur System volume (something that is now required on macOS Big Sur), however, the cloned volume will not appear in the Startup Disk Preference Pane, despite being perfectly bootable.

Some SMB volumes can't support macOS sparse disk images

We have received several reports that macOS is unable to create disk images on SMB volumes hosted by various NAS devices. If you attempt to create the disk image in Disk Utility (for example), Disk Utility reports an "RPC Error". After months of investigation, we have concluded that macOS Catalina has more stringent requirements for sparse disk images than previous OSes.

CCC 6.1.3

September 19, 2022

This version of CCC adds official support for macOS 13 Ventura. This update includes changes that affect all supported macOS versions, however, so we recommend this update for all CCC v6 users.

CCC includes, in source or binary form, the following open source projects.

vsdbutil and hfs.util

CCC contains portions of source code available under the Apple Public Source License. That code may be downloaded by clicking the links below.

Some Big Sur startup volumes don't appear in the Startup Disk Preference Pane

In the past, the Startup Disk Preference Pane would list all available startup volumes, including volumes cloned by CCC (whether CCC used ASR or its own file copier). Some Big Sur cloned volumes do not appear in the Startup Disk Preference Pane, despite being perfectly bootable.

We have reported this issue to Apple (FB8889774) and we are currently awaiting a response.

Quando Apple diversi anni fa ha introdotto il file system APFS, si è presentata con un nuovo concetto: il container APFS. Tutti i volumi APFS risiedono in un contenitore e il contenitore risiede in uno schema di partizionamento del disco. Tutti i volumi in un contenitore condividono lo spazio disponibile in quest'ultimo; i contenitori APFS separati non condividono lo spazio l'uno con l'altro.

Apple introduced a bug in 10.15.5 that prevents the creation of firmlinks

The chflags system call no longer works correctly on 10.15.5 with regard to setting the special "firmlink" flag that establishes links between the System and Data volume group members. If you're establishing a new backup of macOS 10.15.5 or later, CCC 5.1.17 (and earlier) will be unable to create a correctly-functioning APFS volume group. Many folders on the destination volume will appear empty, and the volume will not be bootable.