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Checkout partclone, I think it does what you're looking for. |
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On Tue, Mar 29, 2016, 12:19 <Meino.Cramer@×××.de> wrote: |
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|
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> Hi Ia, |
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> |
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> thanks for your reply ! :) |
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> |
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> The usbstick I want to make an initial backup is 64GB of size. |
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> That means, I will backup mostly zeroes. |
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> |
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> Where are the partioning/format defining on the device? |
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> If there are only stored the beginning of the device: How |
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> much do I need to copy? |
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> |
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> or: |
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> |
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> If there are tools to extract all needed informations of the |
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> partioning/formatting and to recreate exactly that kind of |
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> partitioning/formatting later with that or other tools: |
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> Which tools do I need and how to use them? |
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> |
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> Thank you very much in advance for any help! |
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> Best regards, |
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> Meino |
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> |
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> |
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> |
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> Ian Bloss <ianlinkcd@×××××.com> [16-03-29 18:12]: |
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> > If you're gonna dd a drive you either go the same space or larger. To be |
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> > sure you get everything you can just |
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> > |
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> > dd if=/dev/oldstick of=/dev/newstick |
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> > |
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> > Replacing old/newstick with the correct device. |
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> > |
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> > You can even keep a backup image with |
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> > |
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> > dd if=/dev/oldstick of=/home/user/whateveryounamedit.img |
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> > |
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> > Which you then can replicate to any drive |
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> > |
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> > dd if=/home/user/whateveryounamedit.img of=/dev/newdevice |
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> > |
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> > On Tue, Mar 29, 2016, 11:43 <Meino.Cramer@×××.de> wrote: |
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> > |
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> > > Hi, |
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> > > |
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> > > since companies know their usbstick internals best, they |
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> > > format their drives in a way, that the performance is best. |
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> > > |
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> > > That's why I want to make a complete image "backup" of my |
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> > > new usbstick first before using it in case of needing to |
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> > > reset the whole thing. |
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> > > |
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> > > The stick is a 64GB vfat formatted device. |
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> > > |
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> > > How much of the usbstick do I need to dd/pv from |
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> > > the stick to preserve *all* informations to do a |
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> > > "true factory reset" later if needed? |
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> > > |
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> > > Thank you very much in advance for any help! |
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> > > Best regards, |
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> > > Meino |
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> > > |
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> > > |
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> > > |
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> > > |
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> > > |
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> > > |
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> |
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> |