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On an M1 Silicon computer can CCC now make a backup of the internal startup volume?

Not full bootable clone in a single step. It will make and update a clone of the Data volume, but to make that bootable you have to install the System volume onto it, or do a fresh install and migrate from the data only clone.

Once you have made it bootable CCC can update the Data volume but not the System volume. To update the system volume you have to boot to the clone and use Software Update.

All as in these two links:

https://bombich.com/kb/ccc5/creating-and-restoring-data-volume-backups

https://bombich.com/kb/ccc5/macos-big-sur-known-issues
 
Not full bootable clone in a single step. It will make and update a clone of the Data volume, but to make that bootable you have to install the System volume onto it, or do a fresh install and migrate from the data only clone.

Once you have made it bootable CCC can update the Data volume but not the System volume. To update the system volume you have to boot to the clone and use Software Update.

All as in these two links:

https://bombich.com/kb/ccc5/creating-and-restoring-data-volume-backups

https://bombich.com/kb/ccc5/macos-big-sur-known-issues

Many thanks. That's good to know and all I needed.
Much appreciated info. Thanks again. 👍
 
Outlook - Email Data - Back up

With over 10 years of Outllook email in my outlook data - handy to have backed up separately

Easy to back up the - UBF8T346G9.Office folder - with CCC - weekly script - separate SSD from weekly drive / clone
 
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CCC is probably the one thing everyone should buy for their Mac at the very very least. It'll be neat when Apple allows for bootable backups a little more easily. It shouldn't have to be so cumbersome.
 
Bonjour,
For k-hawinkier
you wrote in your answer 9 " CCC is also handy to delete TM snapshots."
I don't exactly understand the meaning of your answer. Can you explain more? Is there a function in CCC which permit to delete TM snapshots? I've problems with many snapshots from TM and I'm oblige to use the "Terminal" to delete them.
On my system ( iMac with Big Sur ) are running TM on a Time Capsule and 2 External SSD with CCC ( Safetynet on but is it necessary???).
Thanks for your help
GGERARD
 
Bonjour,
For k-hawinkier
you wrote in your answer 9 " CCC is also handy to delete TM snapshots."
I don't exactly understand the meaning of your answer. Can you explain more? Is there a function in CCC which permit to delete TM snapshots? I've problems with many snapshots from TM and I'm oblige to use the "Terminal" to delete them.
On my system ( iMac with Big Sur ) are running TM on a Time Capsule and 2 External SSD with CCC ( Safetynet on but is it necessary???).
Thanks for your help
GGERARD
Bonjour GGERARD,
In CCC you need to select in the Menu/View/Show Sidebar
Then in the lower left part of the CCC Sidebar Volumes are displayed.
Click on a Volume, then watch the right side of the CCC display.
For that selected Volume you can select ON or OFF for CCC Snapshots.
If you select ON, you can delete snapshots that are displayed in the upper right
Click on one and hit delete.
The snapshot is gone.
 
Thanks for your quick answer k-hawinkler.
But in my question there was another one!
Is there a relation between Snapshots CCC and those for TM?
If I delete those from CCC ( It's done with your help ) do those of TM desappears also?
Thanks
GGERARD
 
Bonjour GGERARD,
In CCC you need to select in the Menu/View/Show Sidebar
Then in the lower left part of the CCC Sidebar Volumes are displayed.
Click on a Volume, then watch the right side of the CCC display.
For that selected Volume you can select ON or OFF for CCC Snapshots.
If you select ON, you can delete snapshots that are displayed in the upper right
Click on one and hit delete.
The snapshot is gone.
As you say, the ON/OFF controls whether CCC creates snapshots as well as TM. That is a separate issue from deleting the TM snapshots as you describe. It doesn't need to be ON to delete the snapshots.

You can also do "Select All" to delete all the snapshots in one go rather than individually.

A number of apps now enable deleting these TM snapshots, eg DaisyDisk, Tinkertool System, and I read that Onyx does as well now. I am sure there are others.
 
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Thanks for your quick answer k-hawinkler.
But in my question there was another one!
Is there a relation between Snapshots CCC and those for TM?
If I delete those from CCC ( It's done with your help ) do those of TM desappears also?
Thanks
GGERARD
CCC snapshots and TM snapshots all appear in the same list and are separate. You can delete any or all.

Deleting the CCC ones will not delete the TM ones.
 
Thanks also Mike Boreham,
It's now totally clear for me.
From your experience ( k-hawinkler and Mike Boreham ), do you think snapshots are necessary to avoid problems if you've crashes by exemple on your Mac.
Classic backup with CCC and/or TM would ne sufficient no?
Many thanks for your involvement and your help.
GGERARD
 
Thanks also Mike Boreham,
It's now totally clear for me.
From your experience ( k-hawinkler and Mike Boreham ), do you think snapshots are necessary to avoid problems if you've crashes by exemple on your Mac.
Classic backup with CCC and/or TM would ne sufficient no?
Many thanks for your involvement and your help.
GGERARD
Sanpshots are an alternative way of restoring to a previous state, very quickly, compared to classic CCC and TM restores. You can restore your machine to a previous state from a Snapshot in a few minutes.

Since Big Sur, with its locked down System Volume, Snapshots work differently. Snapshot restore only rolls back the Data volume not the System Volume so you can't use them to revert to a previous build of the OS as was possible before.

To roll back to a previous OS version you need to erase then install that OS version and migrate from the TM (or CCC) backup. Recovery > Restore from TM leads you through the process.

So IMHO Snapshots are less useful than they used to be but useful sometimes.
 
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Sorry didn't realise there was a thread here, apologies for double posting.

I know that you can't do smart clones of the system volume, only your data volume after the initial clone.

So far I have been erasing my clone drive and then doing a full clone again after an update to my iMac drive.

Does anyone know a way of getting the CCC task to do this automatically in the chosen task ? The drives default correctly within the task but so far I have only been able to do "Data Volume" smart updates whereas I want it to erase the clone drive completely and do a full clone without having to manually erase in Disk Utility and then click the option for CCC to do the full clone.
 
It's a good question, but pretty sure not possible at present. At least within CCC...don't know if scripts or Automator could help.

Mike Bombich of CCC is very responsive, so I would ask him to make it an option if it isn't already.

I should make very clear what you are doing because I don't think it is an intended normal usage, but no reason that I can see why not.
 
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I am struggling to understand how safetynet works on a backup to an APFS SSD.

When I was making backups to a regular HDD, there was a directory called _CCC Safetynet where I could search for a file and find all old versions. How does this work on APFS? Do I have to scan each snapshot individually?
 
I have Safetynet on (enough space on my backup drives). But now I think of it, I very seldom need a previous version of a file (if at all).
I have it turned off - but I do several back ups to different drives - in case I some how do a bad back up version - 1) Saturday and 2) Wednesday back ups

I also don't use snap shots for the same reason - but always good to hear other opinions ?
 
As I understand it if you have CCC snapshots not enabled, safetynet works the same way as before. But if you have enabled CCC snapshots then you do it like in this article:

https://bombich.com/kb/ccc5/legacy-...sed-when-snapshots-are-enabled-on-destination

I don't have CCC snapshots enabled and haven't tried this.

Thanks. I already read that article but just now I read it again and I think I understand better now. As I understand it, with snapshots you have to open each snapshot individually and search. I was hoping there would be a way to do a ‘global’ search like you can in the _CCC Safetynet folder.
 
Update Available 27 April 2021 - Version 5.1.26 (6180)

CCC-update-5-1-26.png
 
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I have an intel iMac. I have been running CCC with Mojave for some time now, with the assurance that I have a *bootable* backup drive. ( tested and true) I just updated to Big Sur and now I find out that because of changes in BS I can no longer have a bootable drive? Is that correct? Now it only backs up the data? I have updated to the latest CCC version.
 
Incorrect

You can make a bootable back up. It’s just each time you want to do an incremental back up, in order to include the OS, you just wipe it with disk utility and do a fresh one.

In my case with using SSD drives, it takes about 10 minutes at the most
 
I have an intel iMac. I have been running CCC with Mojave for some time now, with the assurance that I have a *bootable* backup drive. ( tested and true) I just updated to Big Sur and now I find out that because of changes in BS I can no longer have a bootable drive? Is that correct? Now it only backs up the data? I have updated to the latest CCC version.
Try working with a erased volume via Disc Utility, and then see if you can make a bootable backup using the APFS replication utility.
 
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You should be able to get a bootable clone on an Intel Mac if you start with an erased destination. CCC will offer you choices.
M1 macs have been on and off for bootable clones. Currently not on M1 for me.
Data volume only clones can be converted to bootable by installing a system onto them.
I am quite happy with data volume only clones. I don't need to be be able to carry on in minutes (and anyway bootable clones need a lot of sorting and resuming when first booted). I much prefer to reinstall and migrate.
 
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