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Apple Computing Products:
macOS - Apps and Programs
SuperDuper or CCC with Monterey on M1 iMac
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<blockquote data-quote="MacInWin" data-source="post: 1901090" data-attributes="member: 396914"><p>[USER=329282]@pine man[/USER] , for your M1 system, as has been stated by others, if the internal storage, generally called the "SSD" of the system, fails for hardware, the Mac is dead, for all purposes. Apple refers to it as "fabric," and that is not a bad term. If the "fabric" is torn, the article is ruined. Same for your internal storage. If it is hardware damaged, the machine is ruined.</p><p></p><p></p><p>No, it does not need to be downloaded. If the problem is corruption in the software, the entire system can be restored from the secure enclave that Apple has created in the system. There is a section of the storage fabric in which the entire system files, as updated by Apple, are stored. On a reinstallation of the system, those files are copied from that secure enclave to create a snapshot of a bootable system. The system does checksum type error checking and then compares the checksums against what Apple thinks they should be, and if all is good, the system is booted from the snapshot. (That's a simple version, what happens is actually pretty complex. If you want to know more, start here: <a href="https://eclecticlight.co/2022/01/04/booting-an-m1-mac-from-hardware-to-kexts-1-hardware/" target="_blank">Booting an M1 Mac from hardware to kexts: 1 Hardware</a> and read all three parts of the boot sequence. </p><p></p><p>Once booted, the restoration from TM or migration from a cloned backup puts your stuff back where you want it. Depending on which is the source, you may have other things to do to clean up the installation.</p><p></p><p>But there is no longer any need to download the source, it is there in the fabric.</p><p></p><p>On clones and their value, Randy said it best:</p><p></p><p>So, clones are, in my mind, not as useful, or critical, as they were for Intel machines with separate drives. They are still useful, but not in the same way. Before, if the internal drive, replaceable or not, failed, you could boot from the clone and be back in operation in minutes. But with the M1 systems, if the hardware fails for the storage, the entire "fabric" is dead. Now that might change, if Apple does anything to separate the storage from the CPU of the fabric, but there doesn't seem to be any movement in that direction. In fact, for performance purposes they may even go in the opposite direction and integrate the fabric even closer.</p></blockquote><p></p>
[QUOTE="MacInWin, post: 1901090, member: 396914"] [USER=329282]@pine man[/USER] , for your M1 system, as has been stated by others, if the internal storage, generally called the "SSD" of the system, fails for hardware, the Mac is dead, for all purposes. Apple refers to it as "fabric," and that is not a bad term. If the "fabric" is torn, the article is ruined. Same for your internal storage. If it is hardware damaged, the machine is ruined. No, it does not need to be downloaded. If the problem is corruption in the software, the entire system can be restored from the secure enclave that Apple has created in the system. There is a section of the storage fabric in which the entire system files, as updated by Apple, are stored. On a reinstallation of the system, those files are copied from that secure enclave to create a snapshot of a bootable system. The system does checksum type error checking and then compares the checksums against what Apple thinks they should be, and if all is good, the system is booted from the snapshot. (That's a simple version, what happens is actually pretty complex. If you want to know more, start here: [URL="https://eclecticlight.co/2022/01/04/booting-an-m1-mac-from-hardware-to-kexts-1-hardware/"]Booting an M1 Mac from hardware to kexts: 1 Hardware[/URL] and read all three parts of the boot sequence. Once booted, the restoration from TM or migration from a cloned backup puts your stuff back where you want it. Depending on which is the source, you may have other things to do to clean up the installation. But there is no longer any need to download the source, it is there in the fabric. On clones and their value, Randy said it best: So, clones are, in my mind, not as useful, or critical, as they were for Intel machines with separate drives. They are still useful, but not in the same way. Before, if the internal drive, replaceable or not, failed, you could boot from the clone and be back in operation in minutes. But with the M1 systems, if the hardware fails for the storage, the entire "fabric" is dead. Now that might change, if Apple does anything to separate the storage from the CPU of the fabric, but there doesn't seem to be any movement in that direction. In fact, for performance purposes they may even go in the opposite direction and integrate the fabric even closer. [/QUOTE]
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