Backup disk image file

i have backup disk image file.
Can i create a virtual image from backup disk image file?
backup disk image file
backup disk image file

In the end it all comes down to how this backup disk image was created.
Sometimes it can be a VM, sometimes it can't and it is only a VHD with data.
Brian Ehlert
http://ITProctology.blogspot.com
Learn. Apply. Repeat.
Disclaimer: Attempting change is of your own free will.

Similar Messages

  • HT3275 Time Machine backup error message: The backup disk image "/Volumes/Backup Files/Burke iMac.sparsebundle" is already in use.

    I'm getting the following error message from my Time Machine for two days now:
    "The backup disk image “/Volumes/Backup Files/Burke iMac.sparsebundle” is already in use."
    I haven't changed anyting lately and can't find the problem...

    Try just rebooting the TC.. or restart of the whole network, in correct order.. modem.. router/TC.. clients.
    Read C12 here.
    http://pondini.org/TM/Troubleshooting.html
    Look at the more like this on the right. it is a very common problem.. especially since ML we have this question 5 times every day.

  • HT3275 I'm receiving an error message that reads "The backup disk image '/Volumes/Data/my name's iMAC.sparesebundle" is already in use.  The time capsule is not backing up any files.

    The Time Machine is not completing thte backup to my Time Capsule.  I am receiving a message which reads "The backup disk image "/Volumes/Data/Mac Jet's iMAC.sparsebundle" is already in use."  I cannot locate the source of the problem or what steps need to be taken to get the Time Capsule operating.

    Hi, see if it shows here...
    In Finder's Menu, select Go menu>Go to Folder, and go to "/volumes". (no quotes)
    Volumes is where an alias to your hard drive ("/" at boot) is placed at startup, and where all the "mount points" for auxiliary drives are created for you to access them. This folder is normally hidden from view.
    Drives with an extra 1 on the end have a side-effect of mounting a drive with the same name as the system already think exists. Try trashing the duplicates with a 1 or 2 if there are no real files in them, and reboot.
    If it does contain data...
    http://support.apple.com/kb/TS2474

  • Time machine: I get the following message: The backup disk image "/Volumes/Data-1/Clemens's iMac.sparsebundle" is already in use - what to do? Where and how do I find that file and get rid of it?

    time machine: I get the following message: The backup disk image “/Volumes/Data-1/Clemens’s iMac.sparsebundle” is already in use - what to do? Where and how do I find that file and get rid of it?

    I'm on Mountain Lion and have version 6.1 of AirPort utility so there is no button to "Disconnect All Users"and the only other option of "removing and re-selecting the drive via Time Machine Prefs" doesn't work either. So this will work.
    Launch Airport Utility and select the TC "Edit" button, then select the Disks tab. Deselect "Enable File Sharing" and click "Update". The TC will reboot then follow the same procedure and reselect "Enable File Sharing" and click "Update". After TC reboots again you'll be up and running. Not the neatest way to do it but saves having to unplug the TC which risks disk damage and the whole procedure takes less than a minute.The "Enable File Sharing" button seems to have replaced the "Disconnect All Users" button but with the slight disadvantage that it reboots the TC which takes up additional time.

  • I'm receiving an error message that reads "The backup disk image '/Volumes/Data/my name's iMAC.sparesebundle" is already in use.  The time capsule is not backing up any files.

    I'm receiving this error message about my Time Capsule:
    "The backup disk image '/Volumes/Data/my name's iMAC.sparesebundle" is already in use.  The time capsule is not backing up any files.

    1. Open the Sharing preference pane and check that the computer name hasn't changed without your knowledge. For example, if the name was "X's iMac," it might now be "X's iMac (2)". In that case, restore the original name. You may have to click the lock icon in the lower left corner of the preference pane to unlock the settings. Test. If there's no improvement, or if the name had not been changed, continue.
    2. If you're backing up to a Time Capsule, or an AirDisk attached to a 2013 or later model AirPort Extreme base station, restart it in either of the following ways:
    ☞ Disconnect and reconnect the power adapter.
    ☞ Select the device in the AirPort Utility application and then select
              Base Station ▹ Restart
    from the menu bar.
    If AirPort Utility notifies you of a firmware update, install it.

  • How do  I do a backup using a disk image file and SuperDuper?

    The external drive won't mount on the desktop even though the power light shows up on the external drive case. I want to back up the files on the computer, Powerbook G4 Panther in a hurry as the computer keeps shutting down on me.
    I opened up SuperDuper which I normally use for backups and there was a message that said it couldn't find the drive or something like that. Then there was a window to choose where I was copying from, and it came up with the hard drive name. Then another window came up with a disk image icon which is the place to copy to. I named it "Copyofharddrive", but I am not sure if this is right. I then pressed "Click" and then it told me it was going to erase the volume "Copyofharddrive" and asked if that was OK.
    I am scared of doing the wrong thing and erasing my hard drive. I only have 12GB left on my hard drive too. I am trying to copy 100GB of data onto the disk image file. Will that work out?
    I have never done this before. I don't understand disk image files. I just want to back up the data so that if the computer or the hard drive crashes I can then put the files on another computer.
    Is a disk image a suitable way to do a backup and can I restore the hard drive exactly as it was on the hard drive on another hard drive using the disk image? Do I have enough space on the Powerbook to do the backup? Am I following the correct steps in doing the backup on Superduper? Why does it ask me if it's OK to erase the volume "Copyofharddrive" when I jsut created it?
    Thanks for all your help.

    If you only have 12 GBs of space on your hard drive then how will you fit 100 GBs of data into a disc image file on that hard drive?
    If your external drive is not functioning then you cannot do any kind of backup to it. And, you cannot backup your hard drive to your hard drive.
    What you need is another external hard drive with at least 100 GBs or more of free space that you could use for a backup. However, if you have the unpaid version of SuperDuper, then SD will erase the backup drive before making a full clone of your internal drive.

  • Even after resets get "The backup disk image "/Volumes/FreeAgent GoFlex Drive/MacBeth (2) 1.sparsebundle" could not be created (error 22)."

    HELP!  "The backup disk image “/Volumes/FreeAgent GoFlex Drive/MacBeth (2) 1.sparsebundle” could not be created (error 22)."
    TC estimates over 750GB for full backup.
    Late 2010 MBA is connected wirelessly to
    802.11n (1st gen) TC that is connected via ethernet hub built into house to motorola router using charter.com for internet.
    I have had same problem for over 150 days and multiple reboots, restarts in proper order, firmware updates, unplugs with 5min plus gaps, bypassing the tc and using external 500gb WD mybook via usb to time capsule, replacement of the WD mybook to new 2TB Free Agent GoFlex drive, etc, etc, etc!  Note: I originally named my MBA hard drive MacBeth, but at some point months ago, it said backup already existed and system automatically created MacBeth (2), worked for a while, then stopped again, despite trying nearly daily.
    I gave up and started using Carbon Copy Clone daily for just the 128gb on internal SSD of my late 2011 11" MacBook Air, but need to get past these time capsule errors to back up the external disk!  Due to lack of space in MBA, I had long ago transferred both itunes and iphoto and all imovie/fcpx files to a 1tb external disk (WD Passport) that I keep in my bag with MBA.  It is partitioned with 150gb for cloning the MBA, and over 750gb for media/itunes/iphoto/etc.
    Also, I have endured months of "your hard drive is full" messages and system lockups, applying the solution given to me by genious bar (deleting all aol.com outboxes/recovered messages/spam/trash under library/mail/V2/Mailboxes folders, empty trash, restart....watch recovered hard drive space mysteriously shrink next couple days to zero.....repeat)
    Due to lack of space, I had not been able to do javascript and other system updates.  Yesterday, I noticed even safari bookmark bar had mysteriously emptied (not disappeared, I can hide and show the space where the bar used to be - it is just blank area with no data except for eyelass-book-topsites icons), so I transferred a few large quicktime movie files recorded with isight camera to the external disk, and freed up 20 gbs for the first time!
    This got my hopes up yesterday because after I completed all system/software updates, suddenly the bookmark bar showed up and I was able to start the time capsule backup! It took overnight preparing for backup, but finally started and progressed to 12gb of the 100gb+ needed (i guess the update where it left off months ago for the estimated 750gb for the full backup?), then I put system to sleep and took it with me (thus leaving the wireless time capsule network as I do daily fully expecting it to continue when I returned home in the evening.)  But alas, upon return, back to the "Time Machine could not complete backup, The backup disk image ".....sparsebundle" could not be created (error 22)"  Ugh!  More reboots, unplugs, 5min gaps....still Ugh!
    So the problem continues...please help!  Here are my settings:
    About this mac:
    Mac OS X V. 10.7.5
    processor 1.6 ghz intel core 2 duo, memory 4 4g 1067 MHz DDR3
    software up to date!
    Airport Utility:
    V 6.2 (620.33)
    both internet globe and TC show green dots in graphic, however internet occasionally shows yellow then goes to green, but still gets error 22.  Suddenly TC showed explanation mark and says lost connection and asked if I wanted to 'forget', gave same errors, then mysteriously went back to green, but still got error 22!.
    Internet:
    connection: connected, displays router address, 2 dns server, and domain name: charter.com
    Time Capsule:
    shows network, ip address, serial number, version 7.6.3, status: (green dot) Setup over WAN,
    wireless clients: phones, macbooks (including this MBA), printers, wii
    If you need other settings to help me, just ask!  I have read a few of the other solutions in forums, but trying not to erase disks, especially since it worked for a minute yesterday!

    To step sideways.. why not just use CCC to backup the 750GB of the hard disk to the TC.
    You need to understand this is going to be a super slow process and each time you stop it.. it is going to give issues. CCC will at least do a more reliable job of it than TM.
    I would also say.. this is going to be tough without ethernet. You need to understand the backup speed over wireless can be 10GB per hour.. that makes 75hrs to backup the disk. The air needs to run non-stop doing that.. without you touching it.
    I would get another external drive.. plug that into the MBA and if you really want to use TM.. make a backup one to the other.. but CCC will again do a better job and work faster. It will be much faster than over wireless.
    I am trying to think of ways around the issue of just speed.. but plainly you have lots of other issues.. being the simple unreliablity of the TM to identify the TC.
    If you want to make this work.. give yourself a weekend.
    Load 5.6 utility into the MBA..
    http://support.apple.com/kb/DL1482
    Take the TC back to 7.5.2 firmware. It is a really old version and latest firmware does it no good at all.
    Wipe its hard disk using erase and start over.. give it new names for everything.
    So call it TC
    Set the wireless to 5ghz and name it TC5ghz
    Use WPA2 Personal security. Use a 10 character passkey non dictionary.
    At 5ghz you should get 2x the speed as at 2.4ghz but the air will need to be right next to the TC..
    (alternatively buy the USB to ethernet cord apple have available.. it is $30 in the apple store and do it over pseudoethernet. http://store.apple.com/au/product/MC704ZM/A/apple-usb-ethernet-adapter That is the wrong store but you get the idea. )
    WIth a fully clean system.. now do a full reset of TM.
    See A4 http://pondini.org/TM/Troubleshooting.html
    Direct the TM to back to the TC.. and make sure the external hard disk is not excluded.
    Of course the TC has to be 1TB version to fit that much data.. goes without saying right.
    Even over pseudo - ethernet this will take many hours.. and you basically have to leave it to work.. do not touch it.. make sure the MBA cannot sleep though.. turn off sleep.. beforehand.

  • HT1218 ?My time machine could not complete back up.  Says backup disk image"/volumes/data/name's iMac.sparsebundle" could not be accessed error 1??

    Time Machine could not complete the backup.
    The backup disk image "/Volumes/Data/Name's iMacsparsebundle" could not be accessed (error -1 )

    I checked the pondini fixes and ended up doing the following - in case this could help someone else with OSX Lion and Time Capsule... http://pondini.org/TM/Troubleshooting.html
    First, I downloaded and used Airport Utility 5.6 instead of 6.1 - BTW, I had to attempt download and installation THREE times before the program actually installed.  Be persistant.
    Pondini #5: It's possible some names (of all things!) may be a problem.    See item C9.  I had to re-name my Mac, Time Capsule, network, etc... to remove all apostrophes and spaces.
    Pondini #7:  If you have WD SmartWare installed on Lion, it's not compatible, per RoaringApps, and there are reports it can cause this problem as well.   Use Western Digital's uninstaller, or delete the app from /Applications and the files com.wdc.WDDMservice.plist and com.wdc.WDSmartWareServer.plist from /Library/LaunchDaemons.   There may also be a file in Library/Application Support.
    I then had to shut down computer, unplug Time Capsule, unplug modem; plug everything in again, then reboot computer; then had to go to Apple- System Preferences- Network- and reselect my Time Capsule to connect to WiFi again.
    Then opened Time Machine preferences again and attempted back up - it worked!

  • Time Machine / Time Capsule Error: Backup disk image could not be mounted

    So I'm trying to back up to time machine, which used to be working fine, but I have this problem happening on two computers now (which probably means the error is in my Time Capsule.)
    The Time Capsule shows up on my "shared" list in my finder windows.
    I can connect to it, and open the folder inside, and SEE my two disk image files in there.
    But Time Machine gives me a "The Backup Disk Image Could Not Be Mounted" error. No other information.
    If I double-click on the disk image file directly, I get an error "The Following disk images failed to mount" and then it lists the file and says "Resource temporarily unavailable."
    Help, please.

    I'm caught in the same loop, with no end in sight. I've only been using Time Machine and Time Capsule for 2 months. This week it stopped working. First error message:
    "Unable to complete backup. An error occurred while copying files to the backup volume."
    Checking the Time Machine preferences, "Last backup" would read "backup failed"
    When I got this error, all the wireless functions went offline, even thought the TC light was still green.
    I would shut down, shut down the Time Capsule, shut off my modem reboot everything in order.
    Next error message:
    "Disk repair. The disk 'Backup of [my computer]' was not repairable by this computer. It is being made available to you with limited functionality. You must backup your data and reformat the drive."
    Then: "Time Machine Error: The backup volume is read only. To select a different volume ... Time Machine preferences ... "
    I spoke to someone at Apple, who sent me the Time Machine Troubleshooting page:
    http://support.apple.com/kb/HT3275?viewlocale=en_US
    I went through:
    1. updated my system software
    2. updated the TC firmware to 7.4.1
    3. dragged the sparsebundle to DiskUtility. It took a while (more than an hour?) but said the disk could not be repaired. When I tried again, the repair function wouldn't run.
    4. tried to delete the sparsebundle, but it would choke at almost the end, sometimes it would just crash the finder, sometimes say "Sorry, an unexpected error occurred," sometimes "Operation cannot be completed because the item 'bands' is in use." I even tried to Stuff the bundle with 'delete original' checked, but the stuffing, after about 15 hours, jammed near the end (stuffed 20 gigs of 35 gigs).
    5. tried to reselect the TC, and run backup anyways ... now it can't find the volume, back to the error messages and crashing Finder
    6. checked password in Keychain, all ok.
    Now what??
    Do I use Airport Utility to erase it? At least TC is still showing up there. Or press the rest button on the back of the Time Capsule to reset to factory defaults?
    I've resigned myself to losing my backups. Now I would just like to get it up and running again.
    In hopes,
    Linda

  • Time Machine Backup Error. Time machine could not delete the backup disk image .sparsebundle

    Time Machine is giving an error message.  Time Machine couldnt complete the backup.  I am using the Seagate GoFlex Home.  Error message states Time Machine could not delete the backup disk image "/volumes/Go Flex Home Backup/iMAc.sparsebundle".  Does anybody have any ideas?

    I have deleted all files in the Time Machine backup via Windows, Finder, and GoFlex UI.
    I think this is your problem.. you need to follow the exact setup from seagate to get TM running again.. please read the manual... I do not have one but I do have another brand of NAS and setting up TM involves a fairly complex set of instructions.. because it is not a native Apple device.. your computer does not recognise it as TM capable.. you need to use the work around the manual will explain.

  • Is it safe to back up a disk image file when it's mounted?

    Hi -
    I use some small, encrypted ".sparsebundle" disk image files to keep my diary, banking info, etc., on. When I'm at the computer, I keep them mounted all the time.
    Is it safe to let Time Machine automatically back up the .sparsebundle disk image files, even while they are mounted? Or would there be a possibility the backups would be corrupted, if the operating system hadn't written out cached data or something to the disk image file?
    In other words, if I save any open documents on the mounted disk image, does the disk image file on disk always contain the fully-saved document and a consistent file system? Or could there still be some data cached in RAM, that would not be saved at the time the .sparsebundle file was copied? Is it always necessary to unmount a disk image before duplicating its .sparsebundle file?
    Do I need to turn off Time Machine's automatic backup, and just do manual "backup now" after unmounting the disk images? That's a major pain in the behind... I really want to just let Time Machine do it's hourly backups as usual, but of course there's no point if the backups are corrupt.
    Of course my own guess is "to be safe", I should unmount them before backing up. But again it's a big pain if it's not actually necessary. Does anyone know for sure?
    Thanks...

    My understanding is that Unix, generally, doesn't write everything out to disk immediately. There is caching in RAM to speed up disk access, including modified superblocks, modified inodes, and delayed reads and writes. Now, if you ask to read an individual file, the kernel makes sure all the cached data is written before it returns the read data. But if you try to do, for example, a block copy of the whole filesystem, the kernel doesn't know that, and there's no guarantee or expectation that the filesystem will be in a coherent state.
    That's the purpose, for example, of the "sync" command - to write all this cached data to disk before unmounting, shutting down, etc., and, that's why the OS gets so upset if you just unplug a firewire drive. Because even if you've saved and closed any open documents, they haven't necessarily been fully written out to disk yet.
    So what I don't understand, is how people are ever able to back up mounted disk image files without them getting corrupted. I mean, you'd think they would get corrupted all the time. It would be the equivalent of just unplugging your firewire drive before you made a backup of it, or of doing a block copy of a read/write mounted filesystem. There ought to be a very good chance of the filesystem being scrambled. So, why does it not happen?
    Is there something different about the Apple filesystem, or Apple disk images? Or, maybe we're only talking about delay times in the cache of fractions of a second, so as long as you haven't written anything within a few seconds of the copy, and don't write anything during it, you're ok?
    Even if Apple reps won't answer my question, the kernel and most likely all the low-level disk i/o and filesystem stuff is open source. Surely there's someone out there who would be knowledgeable enough to give a definitive answer? I was hoping to find someone like that here... I do appreciate your taking the time to answer my post, but maybe I need to go elsewhere, on some developers' mailing lists or something? Does anyone know of such a place I could start looking?
    Thanks...

  • Time machine - "the backup disk image could not be mounted"

    SInce a few days, I am unable to backup via Time Machine.
    I always get the message:
    TIME MACHINE ERROR
    The backup disk image could not be mounted
    I use an Apple Time Capsule and still have more than enough free space on it.
    Use OS X 10.5.5
    Help.....
    Tks

    Rosy,
    *_"The Backup Disk Image Could Not Be Mounted" (Console - “Failed to mount disk image”)_*
    First, it is important to distinguish this error message from another, similar Time Machine error that states “The backup volume could not be mounted”. This is important as the causes and cures for these two errors can be very different.
    Consider each topic below separately. When one option does not resolve your issue, then move on the next one.
    *Unmount the Backup Disk Image* (TC)
    If, for some reason, you have manually mounted the Time Machine backup disk image (sparsebundle), or Time Machine failed to eject it after the previous backup, subsequent backups may fail. (Console - “Failed to mount disk image”… “Backup failed with error: 21”)
    Eject the backup disk image (white drive icon) by either clicking the little Eject icon to the right of the disk image in the Finders’ Sidebar, or Ctrl-Click the drive icon on the desktop and select “Eject” from the contextual menu. Now try backing up again or launching Time Machine to view previous backups.
    *“Disconnect All Users…”:*
    If your Time Machine backup drive (“Backup of Users Computer”) is mounted on your desktop or in the Sidebar of the Finder window. then Time Machine may think the drive is already in use. Alternatively, if the Time Capsule hard disk has been recently accessed by a Windows machine, it may not have fully relinquished control. Do the following:
    Open Airport Utility and select the Time Capsule on the left.
    Click “Manual Setup”.
    Select “Disks” at top of window.
    Click “Disconnect All Users…” at bottom of window.
    Close the Airport Utility.
    Now try Backing up again.
    “I got it resolved. Apparently it had to do with one of the files being open on the disk from the drive. I had browsed the disk with one of my windows boxes here and it must have left one of the folders "open". Anyway, I rebooted the TC and we are good to go now.”
    *Proper Computer Name* #
    Make sure your computer has a proper name. Go to System Preferences --> Sharing. Time Machine needs to differentiate your computer from others on your network (i.e. "Bills MacBook" or "Office iMac"). If the "Computer Name" field is blank, create a name. Realize that if this step is necessary, you will likely have to start the Time Machine backup process over again and do another full initial backup.
    According to this article, [http://support.apple.com/kb/TS1760], Time Machine may experience problems if your computer name includes certain characters. Make sure the computer name only includes ASCII characters from the following set.
    (0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ)
    Once a change in the computer name occurs, you should stop and restart Sharing on the affected computer. Uncheck and then recheck Sharing in the Services list on the left.
    Let us know if any of the suggestions above resolves your issue.
    Cheers!

  • Time Machine couldn't complete the backup to "Time Capsule. The backup disk image /Volumes/Data/MacBook Pro.sparsebundle could not be created (error 60)"

    We are Mountain Lion using Time Machine to backup to Time Capsule. When the backup tries to run, an error appears after a couple of minutes saying "The disk you inserted was not readable by this computer." Then an error shows up saying "Time Machine couldn't complete the backup to "Time Capsule.The backup disk image /Volumes/Data/MacBook Pro.sparsebundle could not be created (error 60)"
    I low level reformatted the Time Capsule and that didn't fix it. I then tried using Time Machine on another computer to back up to that same Time Capsule and it worked- so I'm doubting it's the Time Capsule.
    I've noticed that when Time Machine runs, that a  folder called Data  at /Volumes/ appears while Time Machine is trying to back up. I think it's making the sparsebundle to transfer to the Time Capsule.
    However, after a couple of minutes- it comes back saying that the disk is unreadable.
    I think it's something wrong with either creating the sparsebundle or opening the disk image that seems to be a part of the Time Machine backup process on the local drive. 
    I am able to create a disk image with Disk Utilitiy without any problem on that system. I've repaired the disk and disk permissions with Disk Utility and replaced the directory with Disk Warrior. I've trashed what preference files I could find and restarted. I've completely removed the backup destination from the computer and added it back again.
    Help!
    Thanks,
    Neil

    neillhowell wrote:
    I've noticed that when Time Machine runs, that a  folder called Data  at /Volumes/ appears while Time Machine is trying to back up. I think it's making the sparsebundle to transfer to the Time Capsule.
    Yes, exactly.  It makes one sparse bundle per Mac.
    It's possible the TC's disk is too full for a new sparse bundle, or there may be some other problem.
    Via the Finder, locate the existing sparse bundle (see the pink box in Time Machine - Frequently Asked Question #17 if you're not sure how to do that).  See how large it is (plus how large anything else that may be there).  If the total is very near the size of the TC, that may be the problem.
    If not, a clue may be lurking in your logs.  Use the widget in #A1 of Time Machine - Troubleshooting to display the backup messages from your logs.  Locate the backup in question (probably the first one displayed), then copy and post all the messages here.

  • Time machine error: The backup disk image could not be mounted

    Time Machine worked OK for several months. Now I get this error every 10 minutes or so.
    I unplugged Time Machine capsule and "Change Disk" in Time Machine options.
    Nothing helps, I continue to get this error.
    I cannot Enter Time Machine either. "Connecting to Server, Connecting to backup" does not work.
    Help please because I will probably have to archive and reinstall Leopard. I need the backups,
    Christine

    Christ1ne,
    Before you reformat the disk, consider these causes of this error.
    *_"The Backup Disk Image Could Not Be Mounted" (Console - “Failed to mount disk image”)_*
    First, it is important to distinguish this error message from another, similar Time Machine error that states “The backup volume could not be mounted”. This is important as the causes and cures for these two errors can be very different.
    Consider each topic below separately. When one option does not resolve your issue, then move on the next one.
    *Unmount the Backup Disk Image* (TC)
    If, for some reason, you have manually mounted the Time Machine backup disk image (sparsebundle), or Time Machine failed to eject it after the previous backup, subsequent backups may fail. (Console - “Failed to mount disk image”… “Backup failed with error: 21”)
    Eject the backup disk image (white drive icon) by either clicking the little Eject icon to the right of the disk image in the Finders’ Sidebar, or Ctrl-Click the drive icon on the desktop and select “Eject” from the contextual menu. Now try backing up again or launching Time Machine to view previous backups.
    *“Disconnect All Users…”:*
    If your Time Machine backup drive (“Backup of Users Computer”) is mounted on your desktop or in the Sidebar of the Finder window. then Time Machine may think the drive is already in use. Alternatively, if the Time Capsule hard disk has been recently accessed by a Windows machine, it may not have fully relinquished control. Do the following:
    Open Airport Utility and select the Time Capsule on the left.
    Click “Manual Setup”.
    Select “Disks” at top of window.
    Click “Disconnect All Users…” at bottom of window.
    Close the Airport Utility.
    Now try Backing up again.
    One poster reported: “I got it resolved. Apparently it had to do with one of the files being open on the disk from the drive. I had browsed the disk with one of my windows boxes here and it must have left one of the folders "open". Anyway, I rebooted the TC and we are good to go now.”
    *Proper Computer Name* #
    Make sure your computer has a proper name. Go to System Preferences --> Sharing. Time Machine needs to differentiate your computer from others on your network (i.e. "Bills MacBook" or "Office iMac"). If the "Computer Name" field is blank, create a name. Realize that if this step is necessary, you will likely have to start the Time Machine backup process over again and do another full initial backup.
    According to this article, [http://support.apple.com/kb/TS1760], Time Machine may experience problems if your computer name includes certain characters. Make sure the computer name only includes ASCII characters from the following set.
    (0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ)
    Once a change in the computer name occurs, you should stop and restart Sharing on the affected computer. Uncheck and then recheck Sharing in the Services list on the left.
    # Try removing the apostrophe from the disk images name (sparsebundle).
    *A Stalled .inProgress Files:* #
    It may be that the previous backup attempt was ungracefully interrupted leaving remains that Time Machine can’t deal with.
    Stop any current backup attempt. Choose “Stop Backing Up” from the Time Machine menu.
    Open the Time Machine Preferences and turn “OFF” Time Machine.
    Open your Time Machine drive.
    Open the folder labeled “Backups,backupdb”.
    Now open the folder containing backups of the computer in question.
    Are there any “.inProgress” files there. Delete them by dragging the file to the Trash. Or Ctrl-Click the file and select "Move to Trash" from the contextual menu. (Give this time as deleting a large file on an external disk can take a while.)
    Turn Time Machine back “ON”. Now try backing up again.
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