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Per This link, I want to backup my iPhone onto a NAS since my iPhone is almost full and has the same 120gb storage as my MacBook Air and Mac mini. I have set up a dedicated SMB share on my OMV nas, but when I try to link that folder to the iPhone backup folder (/Users//Library/Application Support/MobileSync) as root, it says operation not permitted. Is there a way to accomplish my goal without disabling SIP?

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No. Apple is really strict with that sort of stuff.. System Integrity Protection isn't that big of a deal as long as you only install applications from developers you trust. Seriously. disabling SIP will make your machine more vulnerable, but its really there to not allow malware to access/modify sensitive stuff like your backups

jbiser361
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  • And I assume there's no way to back up iPhone to my NAS by any other means? – wjr1995 Mar 22 '20 at 20:53
  • no. you cannot. in my opinion, as long as you aren't installing risky apps from risky sites your going to be fine. – jbiser361 Mar 23 '20 at 04:12
  • With SIP disabled in my Mac mini, the operation doesn't work. csrutil status gives Configuration: Apple Internal: disabled Kext Signing: disabled Filesystem Protections: disabled Debugging Restrictions: disabled DTrace Restrictions: disabled NVRAM Protections: disabled BaseSystem Verification: disabled What do I need to do? The drive I am trying to link is currently mounted and works fine – wjr1995 Mar 26 '20 at 21:59
  • So wait, form what im picking up, your trying to make a backup disk using a external drive for your iPhone back ups? – jbiser361 Mar 30 '20 at 14:51
  • Yes. I don't want to pay for iCloud storage when I have a perfectly capable NAS, and my internet provider has data caps I don't want to run into. Doing a symlink should make this possible but I'm not sure how to get around MacOS's walls. – wjr1995 Mar 30 '20 at 18:49
  • What about some Automator script that performed a copy function to the external drive, then deleted the file from the originating machine? – wjr1995 Apr 07 '20 at 02:36
  • That should work. But if you want to make it more intuitive without the wires, you can always make it send it to NAS... But like I said before, the script might not be allowed to edit anything inside of that backup file cause Apple deemed it as "Sensitive" – jbiser361 Apr 07 '20 at 05:21
  • Do you have any ideas how to make the symlink itself work? Even with SIP disabled I can't execute the command – wjr1995 Apr 08 '20 at 22:44
  • Yes, I know what a symbolic link is. But here's the thing, we're not copying the file path. rather taking the whole file and placing it in ur NAS. – jbiser361 Apr 09 '20 at 04:46