On Wed, 30 Oct 2019, Brent wrote:
What is a Time Machine snapshot?
On Oct 31, 2019, Daniel Settles replied:
Apple introduced the APFS file system in 2016 to replace the very old?
HFS+ file system. ?Snapshots are part of APFS.?
Dan/Brent ¨C
I think Time Machine snapshots are what Apple calls what Time Machine writes to?the backup drive, including anything that had changed since the last previous one.
If you are *disconnected* from your backup drive, Time Machine will write its?snapshot to the boot drive, then update the backup drive with them when?reconnected.
APFS snapshots are different.
Apple makes vague references to ¡°recording the state of the system¡± to enable?error recovery, but I haven¡¯t found any concise, simple, explanation.
Here¡¯s Mike Bombich of Carbon Copy Cloner discussing them:
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Jim Saklad
jimdoc@...
Jim Saklad