Time machine not performing housekeeping - previous days' & weeks' multiple backups remaining

As you can see from this image, time machine stopped cleaning backups from previous days and weeks.
A bit of background, this is a networked backup for a MacBook Pro. (Thus, the backups only happen when I'm at home on my home network.)  The MBP: OS 10.8.4 2.4 GHz, 8 Gb: 750 Gb drive, currently using 125 Gb - 625 Gb free.
The time machine "drive" is a 350 Gb partition on a 1 Tb drive, 75 Gb free; the other parition has the time machine backup for another MBP, also OS X 10.8.4; this problem does not occur on that time machine partition with that computer.  The problem started on 5/12 with previous days multiple entries not being deleted. (The timing does not seem to align with a software update: 10.8.3 on 3/25 and 10.8.4 on 6/6.)
One more thing, backups take much longer (around 25 minutes for just a few Mbs) than they do on the other MBP which uses the other partition. The other MBP has many more files and folders and the .sparsebundle is bigger (252 Gb).
I have read through Pondini's wonderfully thorough website on time machine (pondini.org) and looked through discussions here. All seem to focus on ways in which time machine prunes old backups to make space. In my case, space is not (yet) a problem, but I am concerned that these problems indicate time machine is not working properly and that there may be other problems.

I gave it a try last night. For the record it is item A4 at the pondini.org site. The result:
- the back up was 1.43 Gb (rather large considering that the only activity on the MBP since the previous backup had been to read mail).
- no change to the list of previous back up entries and the mulitple backups from the last few days were not pruned (that is, the problem perists).
- I looked at the backups using the Time Machine interface and only the ones snce removing the .plst are visible. (All of the prior backups are still visible using the finder interface looking at the mounted virtual disk.)

Similar Messages

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    volley15 wrote:
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    Message was edited by: Pondini

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    {quote:title=T.M. wrote:}{quote
    1) Wondering if I could manually browse (via finder) the time machine drive and delete my previous (oldest) backups to free up some space... Is this possible or will it ruin my backups?
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  • Time Machine - "not enough space to back up" despite large drive

    Hi,
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    Semper Eadem wrote:
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  • Time Machine NOT backing up all new files

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    Not that I know I have to keep an eye on this I will be watching much more closely as I make versions during the day. To push the process along I will make versions, and associated TM backups, more frequently than normal and check each TM backup.
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    Understood. I'll start by re-establishing the errant behaviour which I'll do via the accelerated process of development and versioning described above. You must be coming up to quitting time for the week. By the time you come in Monday morning I should have more to report. (I'm in Australia and I presume you are in the US.)

  • Time Machine Doesn't Show Previous Back-Ups

    Hi,
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    mrhifi wrote:
    Hi,
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    I dont want previous back ups to get wiped.
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    So, if it looks like a lot of old backups will have to go, and you really don't want that to happen, your best bet is to connect a USB or FireWire disk directly to your iMac and start backing-up to it. That's much faster and more reliable anyway. You should still be able to see and restore from the old backups via the Browse... option.
    By the way, please click +My Settings+ at the right of this page, and update your Mac and OSX specs. I'm assuming you're still on the iMac, but clearly not 10.4.5 )

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  • Why is my time machine back-up is taking days?

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    Start Section D with  in the 1st linked article.
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    Time Machine Troubleshooting Problems

  • Time Machine not backing up music added to iTunes since the original backup

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    Erik Griffin wrote:
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    How long ago was this?
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    Will the daily or weekly back up get the new music files?
    The labels of hourly, daily, and weekly backups are just labels. The process is the same with each. The only thing that's different is how long TM will keep them. A TM backup is a TM Backup.
    Is there something I did wrong with set up? Of course I could start over but I'd rather fix the issue and make sure everything is being backed up.
    First, check TM Preferences > Options. Be sure nothing is listed there that would prevent any iTunes data from being backed-up.
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    It shows most of the files saved by TM for each backup (excluding some hidden/system files, etc.). That should show what was actually backed-up.

  • Time Machine is only keeping one day.  Im missing ALL other BU, please help

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    pinkberrykay wrote:
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    Right.  Those are the containers for the backups of each Mac. 
    I posted a screen shot of what I was referring to above.  I am unable to click on the Back Up Destination
    You don't need to, but if you select Data under Available Disks, that will re-select it -- re-establish the info TM needs to locate it.   
    As far as my iMac, I am not sure what happend but I had to delete the entire HD and reinstall the operrating system.
    Ah, that's part of the problem.  Exactly how did you put your data back?  When your Mac started up after installing OSX, you saw this window:
    Which option did you take?  It sounds like you selected Not Now and created a user account.  If so, what have you done since then?
    According to my TC I have not backed up in 63 days and but there is nothing there.
    Depending on what you did, Time Machine is treating the erased disk as being a different one from your backups.  It will do a full backup of the "new" drive, space permitting.
    My TC is 4 years old and is 1 TB.  TC shows 23.5 of 998 GB available. My TC shows it has stuff on there I just cant gett to it.
    If the new drive is being treated as a different one, you should be able to see the old backups via the procedure in the green box of #E3 in Time Machine - Troubleshooting.  Don't try to restore anything from there just yet, though.
    TC is now showing the latest BU as of June 30, 2013, before it would say none.  It is not showing an estimated BU becuse it is "preparing backup"
    If you can see the older backups as above, cancel the current backup.  That will save some space.
    Post back with details of what you did after the reinstall, and your results.

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