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Time Machine Deletes Old Backups without warning!!

Update:11-30Source: network consolidation
I have just lost loads of pictures and emails when my Timemachine deleted old backups. I was so happy to have an easy way to keep my iPhoto cleaned up while keeping all the photos for the future. I would load my all the photos from my camera, backup with TimeMachine and delete the "bad" unwanted photos, confident in the knowledge that these pictures are still there on my external. I looked forward to some future date when someone would write an easy piece of software to consolidate old iPhoto libraries and even go through TimeMachine and consolidate those photos too. But until that fantasy event, my pictures, even though not wanted were still there.
Not any more!!
I replaced my hard drive and reloaded my laptop from Timemachine and I think that was the event that sparked the dump.
There should be a special check box to make sure that NO backups are automatically deleted, EVER. They should be a way to make them Sacred!!
There should be a way to create a separate backup just for iPhoto because right now, there are no good ways to easily break apart or merge iPhoto libraries. At least what I was doing worked, (well.... until it didn't).
Any ideas??

The Best Answer

nerowolfe wrote:
True, TM is not a classic archival system, but until the drive is full, the difference is moot.
No, the difference isn't moot.
I still have on my TM HD every file I ever had because it's only 1/2 full.
No, you don't. Read on...
Time machine has three levels of backups:
1) hourly - deleted after 24 hours
2) daily - deleted after a week
3) weekly - deleted only when the disk is full - these are the only deletions you will be warned about
Time machine is always deleting files. Every time it backs up, it deletes files.
But the OP's real question is why he was never warned about the old backups being deleted, as TM says it will do, archival stuff notwithstanding. Apparently TM simply ignores the user's request to be warned.
No, it doesn't.
That being said, as I asked in a post not too long ago, "how many have had a warning from TM that old backups are being deleted?" as one would expect when the TM preference box, "Warn when old backups are deleted" is checked.
It appears to me to be a bug.
I ask again if anyone has gotten this warning.
Nobody answered my previous post with a yes.
Because Time Machine continually cleans up behind itself, it tries very hard to ever delete the weekly backups. The only time I've gotten the deletion warning was when my disk was full. I think I just avoided the problem by removing my old Parallels images from Time Machine and got back an extra 70 gig or so - good for another six months.
This is not a bug. This is how Time Machine works. It is unfortunate that the original poster did not fully understand this. The fact is that Time Machine backs everything up. If you create 100 files, it backs up the folder with 100 new files. If you delete 100 files, it backs up the folder with 100 less files. Then, the next day, it deletes old backups. The only one it keeps is the last one, with 100 less files.
It is correct to say that Time Machine is not an archival system. It is a backup system. If you want to save your files forever, you need to copy them to a location that isn't under the control of any sort of automatic software.
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