How does time machine back up separate but computers on the same drive

Thinking about hooking up a hard drive to APBS to use as a time machine for several  macs /iPads, how does time machine keep these different devices separate? How does it keep the backup info separate? Thanks

APBS is usually called AEBS or Airport Extreme Base Station.
You can only do Time Machine to the newest one.. it is not supported on earlier models.
See http://pondini.org/TM/Home.html
Look for Gory details about airdisk.
Also it is going to help you to actually read how Time Machine works on network drives.
What you are asking has all the answers there.
http://pondini.org/TM/Works.html
ipads do not backup like macs.. there is no time machine.
ipads backup to itunes or to icloud. The backup to local itunes can then be backed up by TM to the disk you are using.
Please note even though Apple now says it works.. I have seen reports where the old problem has come back.. it works for 6-8weeks and then the backup corrupts itself and you have to start over.

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  • How far back does Time Machine back up?

    How far back does Time Machine back up? Thanks.

    Thanks Kappy and Tech Guy. I'll try and digest that info--it may take awhile!
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  • I have just started using Time Machine. I was thinking about deleting old E-Mails on my Mac to clean. Does Time Machine back up the E-Mails , if so how can I find them in Time Machine ??

    I have just started using Time Machine. I was thinking about deleting old E-Mails on my Mac to clean. Does Time Machine back up the E-Mails , if so how can I find them in Time Machine ??

    If you back up your mac before deleting your emails, Time Machine should back up your e-mails.
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  • How does time machine work when being used with a mac pro?

    How does time machine work when backing up a mac pro?
    Considering the fact that the mac pro can hold 8TB and a external (non NAS) hard drive can hold only 2TB does time machine only backup the OS disk.

    macnewcomer22 wrote:
    Considering the fact that the mac pro can hold 8TB and a external (non NAS) hard drive can hold only 2TB does time machine only backup the OS disk.
    Time Machine will backup everything by default, on every disk in your Mac.
    Choose System Preferences > Options to exclude items. You could exclude everything except your OS...but I'd think it is your data that's more important to you, if you have to make choices.
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    You could also get a Drobo with 8 bays...
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    -mj

  • Does Time Machine back up iPhoto pix?

    Does Time Machine back up the contents of iPhoto? If so, how do I access it?
    Thanks.

    1. Yes, unless it was told not to; if the library is on an external drive, that drive needs to have been removed from the exclusion list.
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    (120661)

  • Does Time Machine backs up also the format of the volume?

    Since many softwares cannot be installed on case-sensitive volume, so I erased the whole volume and install OS X Mountain Lion with format of OS Extended(Journaled). Then I use Time Machine backing up to the new system.
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    Anyone has some clues of this??
    Thanks.

    As well as doing backups and other things, you can use Disk Utility to create RAID volume sets. 
    Returning to the image you posted, RAID is selected at (1) and so it thinks you are about to create a RAID volume.  The format for the new volume would be as shown at (2).  On the other hand, the volume at (3) is selected and it is that volume's format which is shown at (4). 
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      http://pondini.org/OSX/Home.html
    To go back to your original question: 
    > Does Time Machine backs up also the format of the volume?
    My guess would be "No"; but see pondini.org for a definitive answer.

  • Does time machine back up the data in the PC part of my intel MacBook?

    I'm backing up my MacBook to an external hadr drive using Time Machine in the apple part of my partioned MacBook.
    Does time machine back up the data in the PC part of my intel MacBook at the same time or do I have to do a separate backup for it? Does it have to be on a different external hard drive?

    Franklin Osgood wrote:
    I'm backing up my MacBook to an external hadr drive using Time Machine in the apple part of my partioned MacBook.
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  • How Does Time Machine Help If... iCal Data Lost?

    Hi,
    How does Time Machine help if, say, your iCal database gets messed up? Or, how does it help if you accidentally delete all your playlists from iTunes? I'd be interested to know.

    That's a very good question (although probably better directed at Apple than us). Because Time Machine is new and Apple's in house programs handle data in different ways, there are a range of different means of recovering data for different applications. Not very user friendly and iCal is one of the least user friendly ones.
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  • Does Time Machine back up external NAS devices?

    I'm on a small business network and recently added an external NAS device that stores all customer files. I have another external HD that I use for Time Machine back-ups that I disconnect at the end of the day and place in a fire safe. Before adding the NAS I plugged the back up HD into my G5 via USB. If I continue to do that will Time Machine also back up the mounted NAS? If not, how do I go about scheduled back ups of the NAS?

    no, TM can only back up directly attached drives. no network devices. you need a different backup solution to back up a NAS. see this post by kappy for options
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  • Does time machine back up second drives

    I have a second drive installed in my MacBook Pro for document storage, etc.  I replaced my optical drive with a second drive.  Does Time Machine back up the second drive as well?

    Open the Time Machine pane of System Preferences and verify that the drive isn't excluded. Drives in some formats, such as FAT32, can't be backed up by Time Machine.
    (74490)

  • Does time machine back up purchased iTunes items?

    I just started to use a Mac and time machine. Does Time Machine back up even purchased items, or do I need to burn those to disk?
    Thanks,
    Dan

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  • Does Time Machine back up other users?

    My wife and I share the same computer. We each have our own user accounts. Does Time Machine back up both accounts? It appears that the amount of disk space used on the computer is about equal to the amount on the external hard drive that I use for backup. So I am assuming that both users are backed up in case of a crash. I hope this is the case! Sorry that this is slightly off topic.
    Lou

    Yes Time Machine backs up your entire hard drive.

  • Does time machine back up my photostream?

    Does Time Machine back up my Photostream - I'm referring
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    What versions of Mac OS and iPhoto are required to effect
    this if indeed possible>
    Thanks,
    Tom

    no
    If you have iPhoto set to automatically import your PhotoStream then after they are imported into an event TM will back them up - it does not backup your PhotoStream itself
    LN

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