OS X :: Why Does Time Machine Report Different Amount Of Space Left
Feb 17, 2010
I understand that time machine doesn't back up certain directories, and so the actual backup size is different, but why does the log say that my drive has 210gb of free space after time machine, but the mounted volume say it has 226gb free? I recently deleted my timemachine plist and reformatted my external oak to start time machine fresh. Is this a difference between metric an binary counting of bytes?
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Aug 28, 2014
I bought a Promise Pegasus2 to replace all my external drives, including Time Machine. The only problem is that I don't want my backups filling 12TB of disk space that I'll be using for other files as well.
Is there no option to set a quota or limit as to how much space Time Machine can use? The Promise Utility doesn't have any options either.
Info:
iMac (27-inch, Late 2012), OS X Mavericks (10.9.4)
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Dec 6, 2014
After some problems with Time Machine backup, I removed a bunch of stuff from my internal hard drive, reformatted my external HD used for backups, and started a new full backup. Time Machine has been running for about 24 hours and gives me a status of Backing up: xx GB of yy GB. Both xx and yy keep growing (apace) so that I don't believe xx will ever equal yy.
To cryptic? Here are real numbers. My internal disk being backed up contains 469.39 GB. Backup status now says Backing up: 685.78GB of 754.42 GB. Both numbers just keep growing. I'm happy to let Time Machine overnight (again) but, really, this can't be normal.
Info:
iMac, OS X Mavericks (10.9.4)
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Mar 14, 2012
I've bought a 1 TB iomega ego mac edition II external fire wire drive. Once connected it asked whether i want to create a password and whether i want my data encrypted, to which i answered yes. Then a time machine backup started and failed after backing up 5.25 GB out of 39 GB of my data with the following error: "The backup disk ran out of space unexpectedly. Time Machine will try to make more space available by removing expired backups during the next scheduled backup". When i look at time machine it shows there is 994.29 GB available on iomega ego drive. The drive then went into: "Encrypting Backup Disk" message and it takes forever.
Info:
MacBook Pro (15-inch Late 2011), Mac OS X (10.7.3)
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Aug 20, 2010
I got a new MBP awhile ago to replace my old MB, and am using the same HD for Time Machine backups. For awhile I wanted to keep the old backups around, but now that I'm fine without them, they're just taking up space, and they're not automatically deleting as the HD fills up, it seems that it only deletes backups of the computer that it's backing up when it needs the space. I know usually deleting Time Machine backups through the Finder is a really bad idea, but since I don't have the old MB to do it through the Time Machine interface any more, it's the only way. Would I be OK to do it that way, since I want to delete all the backups from that Mac? Or would I risk screwing up the backups of my MBP?
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Dec 11, 2009
whenever I run Time Machine on my PowerBook G4 (1.5 Ghz / 1Gb RAM / OSX 10.5.8) it will eat up GB's of hard disk space while 'preparing the backup'. After that it finishes the backup, but I don't get the space back. I'm talking about the internal HD, not the external target disk of course. Does Time Machine use the space to generate some temporary files? Any ideas how I can get my disk space back
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Apr 11, 2010
So I must have partitioned this hard drive (it's still somewhat new), and now, when I try to resize it to its normal setting with no partitions, it tells me I can't. Here are some screenshots documenting what I'm talking about:
Original:
When I resize it:
The popup before I choose "partition":
The error message:
I understand that I'm trying to partition something with only one partition, but I could have sworn that just expanding the partition to make it full would take care of the problem and let me get back that unused space (all 200 gigs worth). How to reclaim that unused space without losing my current data?
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May 30, 2010
On view options I checked show item info, and I actually like this look a little better. But the info is incorrect, I have a 500 Gb HD partitioned to 430 for OS X and 70 for Win7. And that is exactly what it shows on the desktop, not the correct amount of free space, but the maximum capacity of the drive. I read one post that said to simply drag something into the drive, and it would re-register with the correct amount of space, tried it and needless to say it didn't work. So does anyone know how to make this work? I posted a screen to show you what I mean, but the image is so small I don't know if you will be able to see what I am talking about
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Jun 21, 2012
My USB thumb drive won't update the amount of free space. It's constantly saying it is full, even if I delete the files on it.
It's the same on all of the thumb drives I use. It there a "refresh" button - to get it to update the amount of data on it?
I transfer large video files between an iMac and PC computer.
Info:
iMac 2.66 GHz Intel Core 2 Duo, iPhone OS 3.1.2, Mac OS X Lion 10.7
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Apr 19, 2012
Finder reported that I had about 360 GB of free space. But right now it's reporting that I have 435. The only thing I have removed from my computer is Adobe Flash, which is not nearly that large. In system information, it does report that I have 88 GB of backups and 346 GB of free space, but why would the Finder all of a sudden report such a drastic change in free space?
Info:
MacBook
Pro, Mac OS X (10.7)
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Aug 27, 2009
I have a 320GB internal hard drive and a 320GB external. Until recently, the "free" space on my external was very similar to the free space on my main drive (about 50% full). But then in the last few weeks, suddenly my external is almost full, yet my internal drive is still around 50%.
All I've done in the last few weeks is add a bunch of music to my iTunes, but that was only 5-10GB of space. I find it strange that Time Machine is using so much more space, even though it does have all the incremental backups.2 questions:
1) Anyone know why it might be using so much more space?
2) Is the 'rule of thumb' that an external drive should be bigger than the internal one, because of all the incremental backups?
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Sep 6, 2010
My MBP has a 500GB HDD and I have about 70GB free. My backup drive is also a 500GB HDD and has been erased. I chose the drive for my Time Machine backup but it fails and Time Machine says it needs 507GB when the estimated was only 429GB. Why does it need the additional 80GB?
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Jul 11, 2010
I just bought a new HD 500gb to put my time machine on, and it has 34 GB of phantom space. I have 84GB being used for my files, but yet 34GB of unknown space. Is that for the program itself?
Or did I do something wrong in setup.
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May 3, 2012
I back up to a time capsule. I got a message saying that the last backup failed due to lack of space. It used to auto-delete old backups to make space for new ones. I entered time machine preferences and didn't see an option for "delete old backups to make space for new". I'm running the latest version of Lion with the latest update for Time Capsule installed.
Info:MacBookPro, iOS 5.1, Late 2011 2.4 GHz 750GB 5400 RPM
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May 16, 2012
My time machine tells me it's out of space but the time machine backup have 600GB avail. why?My total imac HD hard drive is 1TB and the backup disk is 2TB?
Info:
iMac (21.5-inch Late 2009), Mac OS X (10.7.4)
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Jun 2, 2014
I have a external hard drive that I have partitioned with 350 gig allocated for my Time Machine back up. Its telling me "back up faile" and that I need to delet files to free up space. It clearly says in the preference panel that "oldest backup are deleted when disc becomes full. I'm pretty tech savvy and it looks like the Time Machine optiond are pretty simple. Why wont this just continue to save the latest backup over that last one? I dont need a history of backups. I just want to have one back up that I do maybe monthly.
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9)
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May 11, 2012
I have 750GB MacBook Pro and up until the other day I showed 250GB used and 500GB unused. I discovered this because the past two days my computer would just freeze and I couldn't do anything. So I ran the Disc Utility and it found some errors and fixed them. So I'm wondering if the 400GB of lost disc space now has something to do with the computer locking up? I've searched all the folders and added up their size and still come back to 250GB that I can see. So I'm assuming there's something hidden somewhere that's eating up over half my hard disc space?
Info:
MacBook Pro (15-inch Late 2011), Mac OS X (10.7.4)
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Jun 27, 2014
On my 27 inch, late 2012 iMac i have one terabyte on my hard drive. I am running out of space because the Other is so big? What does 'Other' contain and how do I reduce the amount of space it takes up
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Nov 18, 2010
I have done a clean install of Snow Leopard and used migration assistant with time machine to bring system back to original state. My problem is time machine now says I don't have enough space for a backup. The iMac has a new hard drive so I am not sure what is going on. I could always Format and restart TM but I am not real happy about trying that. It will be may last resort.
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Aug 26, 2009
Well my last couple of Time Machine back ups have been huge like 60GBs and my initial was approx. 100gbs, I thought time machine made smaller backups after the initial one not huge ones. Also, it seems like something is eating up my hdd space; last week I had 100gbs free and now I have only 50 and no major changes have been made to my mac so I am quite confused. Also, in my Music Folder I see a list of all of my artists and a folder called iTunes with all my apps but it also has a folder in that called iTunes Music which is 32 gb. That folder has a list of all my artists but I don't see a couple in the other folder that are in my iTunes Music folder. I used Disk Inventory X which gave me 10gbs.
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May 18, 2010
Got a message that my Time Machine was low on space. What is the best way to take care of this? New to MAC. I assume I would want the initial backup to always stay in place so I could go back to original? Is there a way to delete one time slot or even maybe a week or month? IMac Quad.
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Jun 22, 2010
May I know if lets say the size of my MBP's HDD is 500gb, must i get a bigger hdd just so time machine can work or i can just get another 500gb?
reason for asking is because, due to those computer calculation etc, the external harddisk maybe a couple of mbs smaller than that of the internet harddisk.
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Jun 26, 2010
What should the optimum space of my external HD be, in order to keep my Timemachine backup in? My MBPros HD is 185GB, how big should the external drive in which the TM backup will be made? And why?
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May 6, 2012
I just tried to back up my Mac Book Air and I use OS X 10.7.3.
I got a message which said that there was not enough space on my external hard drive. The message said that I needed 50 GB and the external drive only has 43 of space... Note, when I check out the hard drive, it says: ""Available 43.63 of 249.93".
The sole purpose of my hard drive is for back up purposes. So, there isn't anything other data or information on the drive..
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Jun 3, 2014
My Mac Book Pro has 57 Gb and the time machine says there's not enough space on a 1T external HD. Why?
Info:
MacBook Pro (15-inch Mid 2012), iOS 7.1.1, Time machine back up
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Aug 28, 2010
i was wondering how much space should i partition for my time machine backups on my 500 GB external drive. I currently use about 120 GB of my 320 GB internal MBP hard drive. Would 350 GB be enough for my time machine backups? Or more or less. What did you guys do?
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Jan 4, 2011
I have a 15" MBP with a 250GB HDD. I have about 150 gigs free, so obviously only 100 gigs are in use. So if I use my external HDD to backup to Time Machine, will I only need 100 gigs of it, or will Time Machine need the full 250GB for the backup?
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May 6, 2009
Last week I was doing some late night backing up of some DVD's I own. (7x7GB).
I MTR'd them to get the video_TS folders on my desk top, so I could toast them back on to DVDs,
I tought I may as well put them on to my iPhone, so I re-encoded them into MP4 (7x500MB), then copied them into iTunes (again 7x500MB).
I reaslied today that I forgot to turn off Time-machine when I was doing all this and my backup grew by 60 GB!!
MY QUESTION IS:
If I go into Time-machine and track down these video files and "deleate all instances" of them, will it free up the 60 GB on my external drive for Time-machine to be able to back upu more vital stuff?
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Jun 14, 2010
After searching the internet for a couple of hours I've given up and I'll bother you all with a question.
I've been using Time Machine since around december when I got a 1TB external LaCie. I've partitioned 250gb of it to back up the 180gb OS X partition on my mbp (yes I know it's not a ton of space for backup). It's been working wonderfully for 6 months. Even saved me once, found a file I had accidentally deleted.
I've had absolutely no trouble until yesterday.
I plugged in my Time Machine drive after 3 or 4 days of running around with my mbp and doing some light work. A few minutes go by and Time Machine has calculated that 85gb (usually it's at most 1-2 gigs for a full day backup, no idea how it went up to 85) and that there are only 74gb available, so the backup fails.
That's odd, so I try again. Same thing. So I enter Time Machine and I find that only one backup date is available, June 10th. Apparently the last time it was plugged in. So I exit Time Machine and browse through the drive itself via Finder and find that, sure enough, there is only one backup folder in existence. It seems like Time Machine deleted all my previous backups in order to fit this massive 85gb 4 days backup.
So does this mean everything is really gone, and that's why it wants to backup 85gb (just over half of the used space on my drive)? I'm pretty confused as to why this would happen, and what it means.
Any other options other than wiping and starting over?
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Jun 16, 2012
I recently purchsed and set up an Iomega Storcenter ix4-200d NAS with Time Machine support.The NAS has 8 TB storage total, with ~4.6 TB available.I have TIme Machine support turned on in the Storcenter, assigned to a folder called "Time-Machine." In my OSX Time Machine preferences, I select the "Time-Machine" folder on my NAS as the back-up disk, and my Mac connects to it just fine.The challenge is Time Machine returns an error saying there isn't enough space on the backup disk to complete the backup.For some reason, Time Machine is only recognizing 536.36 GB of space available on the backup disk, even though there are ~4.6 TB available.I tried manually moving my iTunes media folder (~700 GB) to the "Time-Machine" folder on my NAS to see if the Iomega NAS was arbitrarily setting a max size to a Time Machine folder.I was able to manually move just under 1 TB of data to the same "Time-Machine" folder that Time Machine says only has 536.36 GB of space.
I tried deleting the Time-Machine store on my NAS, turning Time Machine support off, then turning it back off and creating a new "Time-Machine" folder.I did this several times and still get the same behavior.I even tried running Time Machine piecemeal, excluding larger folders at first and running a back-up, to see if maybe Time Machine wasn't liking that large of an initial backup.This worked, and then I gradually removed some exclusions and ran back-ups again, so each back-up size was never more than 200 GBs or so. However, after several back-ups, I received the same error message saying there wasn't enough space on the backup disk when the total sparsbundle size reached 536.36 GBs.Since I can manually move more than 536.36 GB of data to the backup disk, I'm guessing it must be something with Time Machine not recognizing the full space available on the NAS.
Info:
iMac (27-inch Late 2009), Mac OS X (10.7.4)
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