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4GB ISO File Size Limit

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18 replies to this topic

#1
WaveRunningNaked

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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?


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#2
Camarade_Tux

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Be sure to create your .iso file as UDF, not ISO9660.

#3
jroc

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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.

#4
Camarade_Tux

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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.

#5
WaveRunningNaked

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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



#6
WaveRunningNaked

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


Great minds... ;)

#7
Spooky

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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, 04 December 2006 - 10:28 AM.


#8
juggernaut911

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why would udf help?

if you split it, do you need multiple discs?

#9
COOLCOMPUTERGUY

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UDF supports large files as opposed to joliet.
Try a program called "IMG burn".

Edited by COOLCOMPUTERGUY, 29 October 2008 - 07:42 AM.

Dave

#10
juggernaut911

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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

#11
lello

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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:

Posted Image

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

Thanks !!

#12
cluberti

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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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#13
ekos8

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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 :/

#14
sanyinet

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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:

Posted Image

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

#15
dencorso

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Have you all been reading this thread: "Bootable XP DVD above 4.7GB possible?"? Doesn't it help?

Edited by dencorso, 14 May 2009 - 10:14 AM.


#16
cdob

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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.micro...y/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, 14 May 2009 - 01:58 PM.


#17
cluberti

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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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#18
jaclaz

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FYI ;), about USB sticks formatting tools:
Fuwi's Bootable USB-Drive Utility
http://www.911cd.net...showtopic=21702

RMPREPUSB.EXE:
http://www.boot-land...?showtopic=7739

Make_USB.EXE:
http://www.msfn.org/...howtopic=121446
http://www.msfn.org/...o...21446&st=20

FBINST:
http://www.boot-land...?showtopic=7932

jaclaz

Edited by jaclaz, 15 May 2009 - 09:14 AM.


#19
Torrescom

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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:

Posted Image

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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