6 gig ISO file XFer from win7 to external drive says it's too large?


  1. Posts : 55
    Windows 7 64bit Home Premium Enhanced
       #1

    6 gig ISO file XFer from win7 to external drive says it's too large?


    I am trying to use a 500 gig sata drive for storage transferring data through a USB to hard disk tool/cable.

    The tool is a Vantec USB to IDE/SATA adapter. Vantec ? Vantec SATA/IDE to USB 2.0 Adapter - CB-ISATAU2 - 2.5"/3.5"/5.25" SATA/IDE to USB 2.0 Adapter

    I bought it to be able to have more storage for my laptop and at 20 bucks it was cheap solution cus I already had a new 500 gig drive.

    I haven't really used it much and this is the first time I tried to transfer something with large file sizes. I do not know if it's the tool, hardware limitation but I suspect it's the file system on the external drive?

    It's Fat 32. I Can format it with NTSF and try to recopy the data.. ( luckily as I had not moved. only copied it)

    I don't remember now but there was a reason I left it as Fat 32. Does this sound like it should fix the problem or should i try another solution first?

    Edit:

    I remember why I wanted to leave the drive Fat 32. That was so I could also use the device and drive to copy data over from my Linux and BSD operating systems. Bummer unless I find a way around this.
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  2. Posts : 12,012
    Windows 7 Home Premium SP1, 64-bit
       #2

    File Allocation Table - Wikipedia, the free encyclopedia

    "The maximum possible size for a file on a FAT32 volume is 4 GB minus 1 byte or 4,294,967,295 bytes."

    Looks like your suspicions are correct.

    I'd think the solution is to make 2 partitions on that 500 GB drive: a FAT32 partition for Linux/BSD and an NTFS partition for Windows. Or two entirely different drives.
    Last edited by ignatzatsonic; 11 Dec 2011 at 03:11.
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  3. Posts : 55
    Windows 7 64bit Home Premium Enhanced
    Thread Starter
       #3

    ignatzatsonic said:

    I'd think the solution is to make 2 partitions on that 500 GB drive: a FAT32 partition for Linux/BSD and an NTFS partition for Windows. Or two entirely different drives.
    Yeah that was the problem. Good idea, to partition the drive each with a different file system. I might just pick up another drive anyway though, as I see they are getting cheap.

    Thanks.
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  4. Posts : 1,846
    Windows 7 Ultimate x64, & Mac OS X 10.9.2
       #4

    getting cheap!? lol still over £100 per TB! used to be £35! lol
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  5. Posts : 163
    Win7 64 Bit
       #5

    Is this why I can't transfer some avi files via usb 2.0 to a thumb drive ? I have a thumb drive that is 14 gb's. My large avi movies can be 5 gb's or more. Error says it's too large a file.
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  6. Posts : 2,606
    Windows 7 Pro X64 SP1
       #6

    truckinguy said:
    Is this why I can't transfer some avi files via usb 2.0 to a thumb drive ? I have a thumb drive that is 14 gb's. My large avi movies can be 5 gb's or more. Error says it's too large a file.
    You should have started a new thread rather than appending to one that's more than a year old.

    Yes. Format the USB flash drive as NTFS, and that'll fix the file size limitation. (eFAT might be OK too, but I have never tried that.)

    Some OSes (DOS, for example) don't natively work with NTFS, but the versions of Windows that descend from NT (2000, XP, Vista, 7, and 8) do.
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