![]() ![]() The internal SSD in an Apple silicon Mac (M1 and M2) consists of three APFS containers, and lacks the legacy EFI partition. If that fails, the only alternative source of recovery tools is Remote or Internet Recovery, entered with the Command, Option and R keys held. Intel Macs still boot into the paired Recovery volume within their boot volume group by holding the Command and R keys during startup. Note that the Seal on the unmounted read-only System volume is normally broken, but it’s the snapshot which is the important one: that should be sealed, unless you have broken its seal intentionally. On Intel Macs, this is given its full name the writable Data volume, by default on the internal disk named Macintosh HD – Data, which is normally hidden from view at /System/Volumes and accessed via firmlinks.The snapshot is named -update- followed by its UUID the SSV, a mounted snapshot of the unmounted read-only System volume named Macintosh HD, which forms the root of the boot file system. ![]() On Intel Macs, there’s the traditional hidden EFI partition, and a single APFS container with the bootable system, consisting of: This article shows their similarity, and how they differ significantly. At first sight, it might appear that boot volume groups and overall disk layout in Ventura are exactly the same as those in Big Sur and Monterey.
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