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Topic: File system storage overhead, Problem with bootable 4.3GB DVD images< Next Oldest | Next Newest >
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sverm Search for posts by this member.

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PostIcon Posted on: Aug. 23 2006,13:44  Skip to the next post in this topic. Ignore posts   QUOTE

I'm wondering if UltraISO takes into account the overhead of the file system when calculating free space on the disk.

I have a Windows PE bootable DVD that is 178MB off the bat.  There are over 1500 files in this DVD image.  When I add  more files to a subfolder off the root (about 200 more files that add up to 4.15GB), UltraISO reports that I'm at 99% capacity.  Cutting it close, but still nonetheless within capacity, reportedly.

But when I test out the bootable ISO image, the boot process starts complaining that some of its files are missing or damaged.

When I reduce the number of additional file such as to bring the contents of the disc down to approximately 90% of the discs capacity, the resulting ISO has no problems and boots well.

Is there an option I've not seen somewhere that will take into account the expected overhead that these 1500+ file entries will have on the storage capacity?

Thanks.
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PostIcon Posted on: Aug. 24 2006,05:11 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE

1) Please use 'File'->'Simulated Save' to caculate the size of a burned disc
2) Windows setup program may not work properly if position of some files is located above 4GB boundary.

PS: File position can be changed by 'Priority' attribute. http://forum.ezbsystems.net/cgi-bin/ikonboard.cgi?act=ST;f=2;t=1081 .
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PostIcon Posted on: Sep. 11 2006,14:34 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE


(xoben @ Aug. 24 2006,09:11)
QUOTE
1) Please use 'File'->'Simulated Save' to caculate the size of a burned disc
2) Windows setup program may not work properly if position of some files is located above 4GB boundary.

PS: File position can be changed by 'Priority' attribute. http://forum.ezbsystems.net/cgi-bin/ikonboard.cgi?act=ST;f=2;t=1081 .

Are the same limitations applicable when using dual layer DVD's?
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PostIcon Posted on: Sep. 11 2006,15:25 Skip to the previous post in this topic.  Ignore posts   QUOTE

Xoben,

Thank you!  Looks like setting the priority to all the PE files did the trick.  Although, just like every other ISO file that has previously succeeded, I'm watching it closely in case it's just another fluke.  

I did notice one thing that I thought UltraISO did in a peculiar fashion.  I was able to select multiple objects at once in the root folder of the ISO.  When I right-clicked and selected Properties, I was able to change the priority as if it was going to do it for all selected objects, which it didn't; it only set the priority for the first selected folder.

Obviously, UltraISO allows to change the properties only for one item at a time, but the GUI makes it a bit misleading.

I'm pretty happy this solution appears to have solved the problem!


Edited by sverm on Sep. 11 2006,15:26
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