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Date:      Wed, 05 Aug 2009 17:05:59 +0400
From:      "Marat N.Afanasyev" <amarat@ksu.ru>
To:        freebsd-stable@freebsd.org
Subject:   a way to read large (>4G) files from iso9660
Message-ID:  <4A7983B7.1050405@ksu.ru>
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[-- Attachment #1 --]
Hello!

I wonder, is there any way to access multi-extent iso9660 level 3 files 
in FreeBSD?

1. if I have large file on Joliet enabled iso9660, I can access only 
last filesize%4G extent
2. if I have RockRidge enabled iso9660 I have as many extents as 
filesize/4G+1, and each of them is nothing but first 4G of file

so, if I have a large file written to Joliet+RockRidge I have the 
following way to access my file:
1. mount with RR and copy first 4G of file
2. mount without RR and concatenate a tail of file with already copied 
4G head

but if I have a file larger than 8G, then I never can access this file 
under FreeBSD, while in, e.g., windows or macos X, this file can be 
accessed without a problem

I know that using udf can partially resolve this problem, but sometimes 
such dvds were written without udf and Rockridge, and I cannot access 
the file at all.

-- 
SY, Marat

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