The interval option also allows you to toggle local snapshots on and off. This is handy if you watch TV shows using your computer every evening, and don’t want to grind its hard drive, or if you regularly create or change a lot of data on your machine while working, which leads to Time Machine running almost constantly. Schedules can be set in hours, days, or even weeks, and you can also set a time window where the backups never run. Intervals The basic settings let you choose any time period, including one hour. Or maybe you’re one of those monsters who leaves their computer running 24/7 instead of letting it sleep, therefore promoting climate change and guaranteeing the end of the human race. Perhaps you’ve gone off to make a coffee. You can set the schedule by interval, or using a calendar, and you can even set it only to run backups when your Mac is idle. Its simple interface - a tiny window - gives a powerful set of options for scheduling your Time Machine backups. TimeMachineEditor allows a user to choose when backups occur. Other than switching Time Machine off, or manually skipping a backup every time one starts to run, the user has no way to change this schedule. When the backup disk fills up, the oldest backups are deleted to make space as needed. By default, Time Machine creates the following backups: Its mere existence means that zillions of people have backups, when they would otherwise be going without. To disable the shutdown, edit /Library/Preferences/Tivoli Storage Manager/dsm.sys and remove the PostNScheduleCmd line.Time Machine is fantastic. The shut down will start 180 seconds after the scheduled backup completes, allowing the TSM scheduler to finish its session and sign off of the backup server with a success or failure code. Check the Power Management settings on your device via System Preferences to ensure the sleep mode delay is set to at least three minutes, to ensure it is still active when the shutdown request takes place.The text inside the quotes will vary according to the device's TSM version and hence the name of the folder. The argument to the PostNScheduleCmd option is the full pathname to the file you have just created. PostNScheduleCmd '"/Applications/IBM Spectrum Protect/myshutdown.sh"' PostNScheduleCmd '"/Applications/Tivoli Storage Manager/myshutdown.sh"' Edit the file /Library/Preferences/Tivoli Storage Manager/dsm.sys and add one of the following lines depending on where you have written the previous script:.# myshutdown - shutdown using osascript to bypass the sudo requirement of Copy the following script to a file 'myshutdown.sh' in the IBM Spectrum Protect or Tivoli Storage Manager folder under Applications:.To set your Mac to switch off immediately after a backup has completed: To disable the shutdown, edit C:\Program Files\Tivoli\TSM\baclient\dsm.opt and remove the PostNScheduleCmd line. The -f shutdown option will result in a loss of all unsaved data, so avoid leaving files and applications open overnight. -c write a message to screen and the Event Log.In step 2, the shutdown command provided will: Shortening the delay is not recommended.Įnsure that the device is not set to sleep before the shutdown request occurs. The shut down will start 120 seconds after the scheduled backup completes, allowing the TSM scheduler to finish its session and sign off of the backup server with a success or failure code. Restart the device or restart the TSM scheduler. Save dsm.opt, if you moved it to the desktop then move it back to its original location. PostNScheduleCmd '"C:\Program Files\Tivoli\TSM\baclient\myshutdown.bat"' If cannot edit the file, either run Notepad as an administrator or move dsm.opt to the desktop before editing it.
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