Windows 8 and 8.1 Forums


Can USB be reused after install

  1. #11


    Harrisonburg, Va.
    Posts : 10,488
    Windows 8.1.1 Pro with Media Center


    Quote Originally Posted by visruth View Post
    Ok

    David,

    Allocation unit size is default 4096 bytes? It's same for both fat32 & ntfs?

    The flash drives I have usually goes through the hands of many of my friends for copying files, ISOs etc. & finally come to me after some time, so I consider it as rough use

    @Jimbo
    so for ISO - fat32 works usually is it? How can I partition USB, just like HDD?
    I'll use a 32 GB usb & format it as Fat 32 & create a system image on it to show you the difference.
    My computer is 1.4 GHz.{maybe 2 hours}--- I'll be back.

    edit--- the default for Fat 32 is 8192.

    Click image for larger version

    EDIT---- I am wrong !!!

    See topgun's post further on.....

    He explains it very well.
    Last edited by David Bailey; 05 Sep 2014 at 16:10.

      My System SpecsSystem Spec

  2. #12


    Hafnarfjörður IS
    Posts : 4,376
    Linux Centos 7, W8.1, W7, W2K3 Server W10


    Hi there

    To create multiple partitions on a USB drive / stick

    DISKPART
    LIST DISK
    SELECT DISK NN (NN is the USB HDD)
    CLEAN

    CREATE PARTITION PRIMARY

    Now EXIT - don't Format the partition.

    Then either use Windows Disk management or something like GPARTED to re-size the partition and create new one(s) (just like a standard HDD) and format it whether NTFS or FAT 32.

    Here's an 8GB USB stick I've got with 3 Partitions on it -- a small GRUB2 boot partition, Linux kernel partition (a / partition) and a Linux user partition (/HOME) - OK this is Linux but you can create Windows partitions if you want -- I use this USB stick as a "Rescue" system with a load of programs / data in the /home partition. The Linux kernel - especially from a Live CD system can be around 1GB - this is plenty for this type of system - that's all that's needed !!-- WINDOWS : Please note !!!!.



    Q.E.D !!!!

    Cheers
    jimbo
    Attached Thumbnails Attached Thumbnails linux.png  
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  3. #13


    India
    Posts : 1,536
    Win 8.1 Update x64


    Ok ,

    David, will you be able to make system image (usually >4gigs ) in a FAT32 partitioned USB?

    Jimbo, thanks for that
      My System SpecsSystem Spec

  4. #14


    Posts : 33
    Windows 8.1


    I had read in a tutorial that one of the first steps was to format the flash drive into FAT32. Sounds like NTFS is the better option.
      My System SpecsSystem Spec

  5. #15


    Harrisonburg, Va.
    Posts : 10,488
    Windows 8.1.1 Pro with Media Center


    Quote Originally Posted by visruth View Post
    Ok ,

    David, will you be able to make system image (usually >4gigs ) in a FAT32 partitioned USB?

    Jimbo, thanks for that
    I'm back.

    Just made one.

    Here is ntfs format---{1 main file}

    Click image for larger version

    Here is the same thing as Fat 32---{6 main files}

    Click image for larger version
      My System SpecsSystem Spec

  6. #16


    Harrisonburg, Va.
    Posts : 10,488
    Windows 8.1.1 Pro with Media Center


    Quote Originally Posted by cb2367 View Post
    I had read in a tutorial that one of the first steps was to format the flash drive into FAT32. Sounds like NTFS is the better option.
    The Fat 32 image is awkward to use for me so I use ntfs. Much better, I think.
    My ntfs images work good.No problems.
      My System SpecsSystem Spec

  7. #17


    Posts : 1,875
    Windows 10 Pro Prieview x64


    Quote Originally Posted by jimbo45 View Post
    Hi there

    To create multiple partitions on a USB drive / stick

    DISKPART
    LIST DISK
    SELECT DISK NN (NN is the USB HDD)
    CLEAN

    CREATE PARTITION PRIMARY

    Now EXIT - don't Format the partition.

    Then either use Windows Disk management or something like GPARTED to re-size the partition and create new one(s) (just like a standard HDD) and format it whether NTFS or FAT 32.

    Here's an 8GB USB stick I've got with 3 Partitions on it -- a small GRUB2 boot partition, Linux kernel partition (a / partition) and a Linux user partition (/HOME) - OK this is Linux but you can create Windows partitions if you want -- I use this USB stick as a "Rescue" system with a load of programs / data in the /home partition. The Linux kernel - especially from a Live CD system can be around 1GB - this is plenty for this type of system - that's all that's needed !!-- WINDOWS : Please note !!!!.



    Q.E.D !!!!

    Cheers
    jimbo
    Note on a 'removable' drive (like most USB Flash drives), Windows will only recognise the first raw or Windows-formatted primary partition in the partition table.

    Therefore for Windows you will have to do as topgundcp said and put your extra stuff in another folder. That is also what I do as it is useful to have a boot disk. The extra folder is ignored by the installer should you run install from it again.

    And no, you can't save a system image on FAT32 - it has to be NTFS. This is not just due to size limitations but also 'security' apparently.

    Source: Why does local backup 'require' NTFS when network backup - Microsoft Community
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  8. #18


    Harrisonburg, Va.
    Posts : 10,488
    Windows 8.1.1 Pro with Media Center


    [QUOTE=adamf;424222]
    Quote Originally Posted by jimbo45 View Post
    Hi there

    And no, you can't save a system image on FAT32 - it has to be NTFS. This is not just due to size limitations but also 'security' apparently.

    Source: Why does local backup 'require' NTFS when network backup - Microsoft Community
    I just made one.
    I have made some before but switched to ntfs because it was easier to work with.
      My System SpecsSystem Spec

  9. #19


    Hafnarfjörður IS
    Posts : 4,376
    Linux Centos 7, W8.1, W7, W2K3 Server W10


    Quote Originally Posted by adamf View Post
    Quote Originally Posted by jimbo45 View Post
    Hi there

    To create multiple partitions on a USB drive / stick

    DISKPART
    LIST DISK
    SELECT DISK NN (NN is the USB HDD)
    CLEAN

    CREATE PARTITION PRIMARY

    Now EXIT - don't Format the partition.

    Then either use Windows Disk management or something like GPARTED to re-size the partition and create new one(s) (just like a standard HDD) and format it whether NTFS or FAT 32.

    Here's an 8GB USB stick I've got with 3 Partitions on it -- a small GRUB2 boot partition, Linux kernel partition (a / partition) and a Linux user partition (/HOME) - OK this is Linux but you can create Windows partitions if you want -- I use this USB stick as a "Rescue" system with a load of programs / data in the /home partition. The Linux kernel - especially from a Live CD system can be around 1GB - this is plenty for this type of system - that's all that's needed !!-- WINDOWS : Please note !!!!.



    Q.E.D !!!!

    Cheers
    jimbo
    Note on a 'removable' drive (like most USB Flash drives), Windows will only recognise the first raw or Windows-formatted primary partition in the partition table.

    Therefore for Windows you will have to do as topgundcp said and put your extra stuff in another folder. That is also what I do as it is useful to have a boot disk. The extra folder is ignored by the installer should you run install from it again.

    And no, you can't save a system image on FAT32 - it has to be NTFS. This is not just due to size limitations but also 'security' apparently.

    Source: Why does local backup 'require' NTFS when network backup - Microsoft Community


    Hi there

    It works fine on Linux with two NTFS partitions created by GPARTED - however on Windows though I agree only the ist one is accessible !!!

    I usually work with Linux these days so when the device was mounted read / write with NTFS partitions (/dev/sdb1 and /dev/sdb2) I assume Windows would see them too. !!

    Obviously I was wrong - although conversely Windows CAN access both /dev/sdb1 and /dev/sdb2 when the device is stored on the Linux system !!!!!.

    So we do make mistakes !!! happens to everybody. Still can't understand why Windows just doesn't treat the USB drive as a "Disk" though -.


    Cheers
    jimbo
    Attached Thumbnails Attached Thumbnails snapshot29.png  
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  10. #20


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Keep in mind that if your installing Windows in UEFI mode, some PC's require the thumb drive to be formatted in FAT for it to work. If you format the thumb drive in NTFS you may not get the UEFI install option in the boot menu and won't be able to do a UEFI install. I prefer NTFS over FAT or FAT32, especially for large capacity thumb drives.
      My System SpecsSystem Spec

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Can USB be reused after install
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