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Thread: best format for pdf storage?

  1. #1
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    best format for pdf storage?

    I'm getting a 16GB SD card to double the storage space on my lubuntu netbook, it will just be used for storing my downloaded pdfs and occasional small image files. What is the best format to use for it?
    I'm looking for reliability as a priority, I won't be doing anything with it except reading and re-arranging files,it doesn't have to be used with Windows.

    Susan
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  2. #2
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    Re: best format for pdf storage?

    I'll admit I don't have much experience formatting sd cards for extra storage, so there may be some unknown issue that I'm unaware of.

    If you know that you a sure it will never be used on a Windows system then a linux format (ext4) would do just fine. There are permission issues for somethings on ntfs.
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  3. #3
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    Re: best format for pdf storage?

    In your case it doesn't really matter what format you use. Cards generally come formatted as FAT32, which would work fine as long as you weren't storing any file larger than 4GB.

    You can reformat into a Linux format if you like, but I suspect you'd get slightly less usable space on a more modern filesystem. The 4GB file limit is the only real problem with FAT32 on an SD card.

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    Re: best format for pdf storage?

    Even though FAT32 has the advantage of being recognized in many other systems and the data structures are simpler which might mean less writes on the SD card and less code being executed (unverified) and the are more tools available to recover information when it gets errors, I would go for ext4.

    Ext4 is faster than FAT32, it supports owner/group concept and permissions and has support for hard/soft links, which is typically useful to avoid redundant copies of files.
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    Re: best format for pdf storage?

    @Paqman
    +1. The short answer is that you probably shouldn't reformat your SD card because it is optimized for FAT32 that it comes preformatted with. There are some recent efforts to make a flash-friendly filesystem for Linux, but it's still very much a work in progress.
    Last edited by schragge; February 27th, 2013 at 12:45 PM.

  6. #6
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    Re: best format for pdf storage?

    Thanks,
    I'll leave it alone then.

    Susan
    Pentium 4, 2.4 GHz 1.5GB RAM
    Xubuntu 12.04
    Computers are my mid-life crisis - it could have been worse!

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    Re: best format for pdf storage?

    In case you are feeling a bit adventurous, there's the new F2FS file system, which is especially oriented towards flash devices.

    It's included in the 3.8 kernel.

    Take a look here

    http://www.phoronix.com/scan.php?pag...2fs_sdhc&num=1

  8. #8
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    Re: best format for pdf storage?

    Quote Originally Posted by x33a View Post
    In case you are feeling a bit adventurous, there's the new F2FS file system, which is especially oriented towards flash devices.
    I think that is what this link deals with.

    Quote Originally Posted by schragge View Post
    There are some recent efforts to make a flash-friendly filesystem for Linux, but it's still very much a work in progress.
    Michael

  9. #9
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    Re: best format for pdf storage?

    Sorry I missed it. It wasn't elaborate enough

    Moreover, it has been included in the 3.8 kernel, which is a great news.

  10. #10
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    Re: best format for pdf storage?

    Quote Originally Posted by x33a View Post

    Moreover, it has been included in the 3.8 kernel, which is a great news.
    Yes, indeed.
    Michael

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