WaveRunningNaked

4GB ISO File Size Limit

19 posts in this topic

I'm trying to create a bootable DVD with WinPE and a custom image that I made with ImageX. The problem is, the WIM file is 7 GB. Spacewise, I can fit the entire thing on DL DVD, but every program I use to master the ISO complains about the the 4GB file size limit. How do I get around this so I can burn the DVD?

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I'm trying to create a bootable DVD with WinPE and a custom image that I made with ImageX. The problem is, the WIM file is 7 GB. Spacewise, I can fit the entire thing on DL DVD, but every program I use to master the ISO complains about the the 4GB file size limit. How do I get around this so I can burn the DVD?

NTFS Partition is the only solution...Fat 32 is limited to 4GB.

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But DVDs also have a limit themselve (2GB on most).

@WaveRunningNaked, maybe that there's something in imagex to split your wim file.

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ok figured it out.

Behold... the SPLIT command

imagex /CHECK /SPLIT d:\vista\iso\sources\vista20061202.wim d:\vista\iso\sources\vista20061202.sim 3500
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darn it! I was just going to suggest the Split command when I saw this topic :)

Or you could wait until you can aford Blu-Ray :)

Edited by Spooky
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UDF supports large files as opposed to joliet.

Try a program called "IMG burn".

Edited by COOLCOMPUTERGUY
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would that let my iso surpass 4GB?

keep in mind, it's my iso I want big, my install.wim is only 3.4GB. If I can expand my iso, i'll enlarge that with more... pizazz

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I split the file install.wim in install.swm and install2.swm

In the first dvd I have the complete structure of the dvd and sources I have copied the file install.swm in the second dvd I created the directory sources and here I have copied the file install2.swm

Unfortunately it does not work the first dvd:

windowsvistax64edition2.th.png

I copied the first dvd file Autounattended.xml, and 'he the problem?

Thanks !!

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This problem seems to exist with USB keys as well - I have a 4GB key and a 64GB key, and I cannot get the installation of Vista OR Windows 7 to work from the 64GB key, unless it has only a 4GB partition (and nothing else). the 4GB key obviously works fine, and my previous 8GB key had the same problems. I believe there's some sort of issue with images larger than 4.7GB, so I'll file the bug. We'll see if this is expected or not.

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This problem seems to exist with USB keys as well - I have a 4GB key and a 64GB key, and I cannot get the installation of Vista OR Windows 7 to work from the 64GB key, unless it has only a 4GB partition (and nothing else). the 4GB key obviously works fine, and my previous 8GB key had the same problems. I believe there's some sort of issue with images larger than 4.7GB, so I'll file the bug. We'll see if this is expected or not.

That's odd, I install Vista from my 16GB USB all the time, no partitions on it or anything :/

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I split the file install.wim in install.swm and install2.swm

In the first dvd I have the complete structure of the dvd and sources I have copied the file install.swm in the second dvd I created the directory sources and here I have copied the file install2.swm

Unfortunately it does not work the first dvd:

windowsvistax64edition2.th.png

I copied the first dvd file Autounattended.xml, and 'he the problem?

Thanks !!

however I have already solved the problem ... but I prefer to keep a professional secret. Since I did not ask for help how do you

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Again, not tested so far.

Vista / Windows 7 textmode boot directories and files are:

boot sector

\bootmgr

\boot\

\efi\

\sources\boot.wim

This should be within first 4GB of media.

Does anybody use 'oscdimg -yo' ?

http://technet.microsoft.com/en-us/library/dd799243.aspx

For images larger than 4.5 GB, you must create a boot order file (Bootorder.txt) to ensure boot files are located at the beginning of the image. For example,

oscdimg -m -n -yoC:\temp\bootorder.txt -bC:\winpe_x86\etfsboot.com

Where bootorder.txt contains the following list of files.

boot\bcd

boot\boot.sdi

boot\bootfix.bin

boot\bootsect.exe

boot\etfsboot.com

boot\memtest.efi

boot\memtest.exe

boot\en-us\bootsect.exe.mui

boot\fonts\chs_boot.ttf

boot\fonts\cht_boot.ttf

boot\fonts\jpn_boot.ttf

boot\fonts\kor_boot.ttf

boot\fonts\wgl4_boot.ttf

sources\boot.wim

bootmgr is not listed. The boot sector use BIOS to seek this file.

Hence a friendly BIOS is expected, some BIOS may fail.

It maybe nice to add bootmgr too.

By the way:

There is no file size limit at ISO9660:1988.

A file can exist of several sections, each below 4GB.

The OS concat single sections to one file.

Old NT4 does list a PB file at ISO9660:1988.

UDF supports medium sized files.

WAIK oscdimg.exe does support UDF files greater 4GB, but ISO9660 files below 4GB.

Edited by cdob
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In fact, I was able to get my 64GB key working! I had to use the HP USB key format utility to format it NTFS first, then I used diskpart to set the partition active, copied the files (I have a WIM file with all the Vista, 2008, and Win7 versions I have to install as one install.wim on a Win7 install ISO I'm using on the key now), and then after running bootsect it works. To verify, I used the diskpart method entirely to create partitions and format, and it *didn't work* for whatever reason. Perhaps there's something specific with this Patriot USB key that required the hackery, or perhaps not, but it's working now. I have an ~10GB WIM on the key and it installs everything properly, so it can be done.

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I split the file install.wim in install.swm and install2.swm

In the first dvd I have the complete structure of the dvd and sources I have copied the file install.swm in the second dvd I created the directory sources and here I have copied the file install2.swm

Unfortunately it does not work the first dvd:

windowsvistax64edition2.th.png

I copied the first dvd file Autounattended.xml, and 'he the problem?

Thanks !!

use

Imagex /split c:\dvd7\sources\install.wim c:\dvd7\sources\install.swm 1900

DVD 1

install.swm

install2.swm

DVD 2

install3.swm

install4.swm

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