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USB drive backup

350 Views 6 Replies Latest reply: Feb 19, 2013 12:25 PM by LaPastenague RSS
sherridge101 Calculating status...
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Feb 5, 2013 11:17 PM

Hi all,

 

When I plug in a 500GB USB drive the time capsule backs up the whole drive.

 

When I plug in the drive again the whole drive gets backed up again.

 

Is there a way to set up incremental saves?

 

Thanks,

 

Steve

  • LaPastenague Level 7 Level 7 (32,975 points)
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    Feb 18, 2013 3:05 PM (in response to sherridge101)

    Not 100% sure what you are doing..

     

    If you plug a USB drive into the TC and use archive.. it will backup the whole TC.. the TC is without any decent backup.. it is by design a backup target for TM not a place to store files. So it is not made to be backed up.

     

    Time Machine cannot backup the TC. and the sparsebundle cannot be backed up as an incremental backup due to its disk image nature.

     

    Please explain further if I have it totally misunderstood.

     

    What are you trying to backup exactly and how??

  • LaPastenague Level 7 Level 7 (32,975 points)
    Currently Being Moderated
    Feb 19, 2013 2:51 AM (in response to sherridge101)

    OK.. that is a bit clearer..

     

    Firstly this has absolutely nothing to do with Time Capsule.. it is hardware.. a dumb as a board hard disk in the router.

     

    The issue here is Time Machine which is an extremely complex piece of software.

     

    It is set to do incremental backups always.. except the very first backup.. if it is doing full backups of the drive it maybe something wrong.

     

    I recommend you load the widget onto TM so you can see what is going on.

     

    http://pondini.org/TM/Troubleshooting.html A1

     

    Is there a parallel directory on the disk or something like that very large that the computer cannot open..

     

    Please open the disk in finder and see if it is all readable.. verify it from disk utility.

     

    You might also want to verfiy the backups.

     

    There are a number of reasons backups are too large or doing whole backup instead of incremental.. the log messages should tell you what the problem is.

     

    Look at D3 and D4.

     

     

    Make sure you are using ethernet to do the backup.

    If you don't get anywhere.. erase the backups and start over.

    I would also reset TM.. to get rid of any issues.. A4

     

    I would also spend some more money and buy a new disk.

     

    I have issues now with Mountain Lion not reading a disk that works fine in Snow Leopard.. I don't understand what is going on.. but as a backup regime surely your workplace can afford something better than this.

  • LaPastenague Level 7 Level 7 (32,975 points)
    Currently Being Moderated
    Feb 19, 2013 12:25 PM (in response to sherridge101)

    Any disk showing errors replace.. You can use it but once a disk shows degradation.. never trust it. Disks are cheaper than ever.. and unless you buy really high standard server types.. are really not long life.. consider 3years a max.. if you are carrying around important info.. replace. A good quality 2.5" is better for carrying around btw.. they are made for laptops and being moved around .. 3.5" drives are designed to be stationary.

     

    And use more than one.. if your data is worth anything.. swap around disks. Plan that if something goes wrong.. you can fully recover, except perhaps the last days work.

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