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macOS Time Machine

Searching in logs

Live Stream

printf '\e[3J' && log stream --predicate 'subsystem == "com.apple.TimeMachine"' --info

Specified date or time windows

printf '\e[3J' && log show --predicate 'subsystem == "com.apple.TimeMachine"' --info --last 3h
printf '\e[3J' && log show --predicate 'subsystem == "com.apple.TimeMachine"' --info --start "2024-06-08 01:00:00" --end "2024-06-08 06:00:00"
 | egrep "Starting backup with mode|Backup succeeded|Backup failed"
 | grep -A 1 "Finished copying items for"

Meta data Delta. If it's "Zero KB" - delta backups doesn't work and only way I made it working again was OS reinstall. More on this issue on reddit

| grep " backups:"

List local snapshots by date

# tmutil listlocalsnapshots / 
tmutil listlocalsnapshotdates /

Delete local snapshots

tmutil deletelocalsnapshots <DATE.NUMBER>

DELETE ALL LOCAL SNAPSHOTS

for i in $(tmutil listlocalsnapshotdates / | grep '[0-9][0-9][0-9][0-9]') ; do echo -n "DELETING $i ..." ; tmutil deletelocalsnapshots $i ; done

Other Usefull Commands

tmutil status
tmutil enable
tmutil disable
tmutil startbackup
tmutil startbackup -d 530BA50F-A553-46C3-A625-70DBABC72C9E
   ### List of backups in current folder on local backup HDD
tmutil listbackups
   ### List of backup on network backup - mount when starting backup or just Browse Time Machine backups from TM menu ...
tmutil listbackups -d "/Volumes/Backups of Macbook Air M1"
   ### SETTINGS
defaults read /Library/Preferences/com.apple.TimeMachine.plist
defaults read /System/Library/Preferences/Logging/Subsystems/com.apple.TimeMachine.plist

Set QUOTA

tmutil destinationinfo
====================================================
Name          : timemachine
Kind          : Network
URL           : smb://smbuser@tm._smb._tcp.local./timemachine
ID            : 530BA50F-A553-46C3-A625-70DBABC72C9E
Quota         : 380 GB

Now you can use

### tmutil setquota <ID> <SIZE_IN_GB>
tmutil setquota 530BA50F-A553-46C3-A625-70DBABC72C9E 130

Show Extended attributes on Linux

apt install attr
# file: media/TimeMachine-Backup
getfattr /media/TimeMachine-Backup
user.org.netatalk.Metadata
user.org.netatalk.has-Extended-Attributes

If there are no extended attributes, result is EMPTY.