They're also purgeable, meaning if you want TM to work you should never manually delete them. Time Machine will create Local Snapshots only to the extent there's room for them, after which it ceases to create them. You might need to completely erase the backup volume to fix it, but hold off on that for now until extracting some TM log excerpts which I'll explain presently. If you manually delete TM backup files from the backup volume you run the risk of corrupting the entire backup, making it useless. I understand you perceived a need to create more space on the backup volume, but you may have complicated matters with that. Of have I misunderstood it?ĭwb's comments are 100% correct, but your subsequent capacity / free space requirements appear to conflict with what you're expecting. As long as I update one file every hour that backup session cannot be deleted. I begin to get the feeling that the Time Machine file is just going to go on growing and growing. But this has not been such a problem as not much is stored on the portable. I have seen the same thing happening on a portable Mac where the Time Machine file just goes on growing and growing on the backup server. So does this mean that none of those daytime backups can be deleted? And could this account for the (1.37 - 0.562) = 0.808 TB of disk space that is surplus to the core "Estimated size of full backup: 562.65 GB" that is the mandatory and non-deletable amount? It is quite likely that during the day every backup session has at least one file that has been updated.
So there are all the backup sessions from 9 Nov to yesterday that can be deleted. Space stated needed for next backup 864.88 GB Total space occupied by all backups 1.37 TBįirst TimeMachine backup (since I last deleted the backup file as it was too big) Raw size of all files being backed up 562.65 GB
I can understand what you say but the figures make it difficult to follow.
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