Re: ISO9660 4GB directory structures boundary limit and growisofs

From: Andriy Gapon <avg_at_icyb.net.ua>
Date: Mon, 19 Apr 2010 16:58:48 +0300
on 17/04/2010 19:31 Tim Kientzle said the following:
> Paul B Mahol wrote:
>>
>> It is apparently not possible to make use of -use-the-force-luke=4gms
>> on FreeBSD when appending new session after 4GB. Mounted disk
>> afterwards  show nothing.
>>
>> Should we allow it like linux does?
> 
> Are you claiming there is a problem when FreeBSD reads such
> images or a problem with creating such images?  What
> programs are you using?
> 
> This sounds like a pretty unsurprising 32-bit truncation
> bug:  the filesystem structures in ISO9660 are all sector
> numbers so 8TB should be the natural limit (4G sectors
> times 2k bytes/sector).

I don't think that the problem is with limit on sector count here.
I think it's a limitation with size/offset in bytes somewhere in cd9660 fs driver.

-- 
Andriy Gapon
Received on Mon Apr 19 2010 - 11:58:51 UTC

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