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PSA: macOS Sequoia 15.2 Breaks SuperDuper Bootable Backups

Apple_Robert said:
Maybe I am missing a practical purpose and welcome insight but, how is making a bootable backup in that scenario important?
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Pretty much any use case where you want to disable SIP. Removing a system extension is one.

A non-SIP use case is multiple Macs.

Another is cloning back *to* the internal drive.

I don’t need to use them nearly as often as I used to, and maybe I’m just old school, but I’ve always found value in bootable backups and external drives generally.
 
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I really like SuperDuper! and the helpfulness of the developer over the years (his active participation in his forums, regular blog posts). Sad to learn about this move by Apple and hope they fix it.
 
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I use TimeMachine for continual backups. I have used SuperDuper for years to make an extra copy that I update periodically and store off-site. I gave up on bootable a couple of years ago. Not a big deal for me since I don't need a solution for "restore immediately" as one might need in a mission critical situation.
 
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Jumpthesnark said:
The post I was replying to was talking about Time Machine, not MacOS.
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Probably but the post you replied to also said;
I'd love to see it improved to do stuff like properly backup iCloud Drive and Photos where items are stored in iCloud. Currently it only backs up what's downloaded to the Mac at the time of the backup.
The last part of that could be a' lack of follow through' he or she that was talking about.
 
jent said:
Why is this? Genuine question, as I'm still on an Intel Mac.
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Because the SSD volume of the drive that contains the OS is sealed and can't be written to with personal files. User files are strictly kept on another volume. Erasing the M Series Mac completely erases personal files and subsequently restores the OS volume to the new user set up.
 
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apples_arrogance said:
Did they properly do the job and also break bootable Carbon Copy Cloner backups with macOS 15.2?
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Seems so. I tried to create a bootable drive, using CCC and an external NVME drive. The first time, my Mini announced 'success' but sadly it failed to boot my Mini going through the 'Shut down -> Recovery' process. So I tried again..and again.. but each time, CCC now reported 'Failed'. Not sure why, I did not change anything. I think Apple's logic is that the system files are so locked down in Sequoia that they can never be corrupted, and you would always be able to restore your data, after reinstalling the OS. I have always made a clone with CCC and a backup with Time Machine, but not sure that even makes sense anymore. If internal storage fails I think you would end up with a brick.
 
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Scramash said:
I just backed up with carbon copy cloner on 15.2 without any issues . Having said that I have not tried booting from it.
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Your backup will probably not show up in the drive list, when you do the "Shut down -> Drive select' in the Recovery process. I tried...
 
Apple should allow Mac users to do what they want with their Macs, because they have paid for them. That includes making bootable backups and also booting from the same single external disk several Macs, for instance at work, home, etc.
 
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Lets suppose you can get your data back, but most people set up their computer with specific settings and customizations (VPN profiles, DNS, Start up apps, browser settings, etc)

. Is there a way to import those back?
Will the Migration Assistant bring those back from a drive backed by CCC or SuperDuper?

*******
I used CCC for years , superb performance+support but I don't like the GUI so much. I wonder if the lawn is greener on the SuperDuper side?

SuperDuper looks like a side project of a freelancer with a website from 2004.
 
Apple_Robert said:
If the SSD in a M series Mac goes down, it is impossible to boot from an external device. Why would you waste time trying to make a bootable backup?
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So if the SSD dies, the whole device is dead? not even the rescue disk will help it?
Since replacing a Mac's drive is challenging for the average user, what are alternative ways to mitigate this situation?
 
MacBH928 said:
So if the SSD dies, the whole device is dead? not even the rescue disk will help it?
Since replacing a Mac's drive is challenging for the average user, what are alternative ways to mitigate this situation?
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If the SSD dies or won’t boot, the Mac is dead in the water. If one has 2 Macs, one could try Configurator 2 to try and revive the SSD if the problem isn’t mechanical.
 
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Chungry said:
I love how this is a situation of Apple's own design unwittingly. Be stingy with prices so folks go for smaller internal storage. Be sloppy with the OS so long-standing features are broken. This slow slide into mediocrity is killing me
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the base models are 512GB , that should be plenty for average user. If you need more you are probably a huge data cruncher usually working on video that you will need some sort of extra RAID external storage any way
 
genexx said:
Back in the Days when Storage was slow and space was rare..... i used CCC for Boot Clones but now..

Migration Assistant with TM Backup or Original HD/SSD/NVME is doing a Clone in no Time.
I do not have any need for a boot clone these days.

Just did it to prove the possibility to boot and work from a Acasis TB3/4 with WD SN770 2TB for a possible MacMini M4 Base.
Installed the System from my internal booted external migrated from internal bam-> Clone.
Could do it from the TM Backup also.
Did this when changed to MBA M2 just used Migration Assistant and imported TM Backup, bam-> Clone.
Doing this on my Hackintosh, install Beta on second NVME and import with Migration Assistant from the non Beta Internal, bam-> Clone.

There is no way to do this for Windows. You have to Clone to get a Clone.
When you cannot Mount your TM Backup Image on Network while using Migration Assistant, well that is live.

So where is the Problem ?
And i thought this is anyway not possible for AS based Mac´s.
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You can, in fact, do this on Windows. And Linux.
 
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