Re: ISO9660 4GB directory structures boundary limit and growisofs

From: Paul B Mahol <onemda_at_gmail.com>
Date: Mon, 19 Apr 2010 12:48:45 +0000
On 4/17/10, Paul B Mahol <onemda_at_gmail.com> wrote:
> On Sat, Apr 17, 2010 at 4:31 PM, Tim Kientzle <kientzle_at_freebsd.org> wrote:
>> 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?
>
> I burn flac files in multiple sessions, each session have separate
> directory, on DVD+R DL MKM/003
> After I used 4gms switch mounted fs shows nothing. (but there is >5GB of
> data)
>
> According to growisofs source BD (bluray) dont need this switch at all ...
>
>> 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 did not tested this on FreeBSD amd64 yet.

Update: Linux shows all sessions and Windows 7 shows only first one.
Received on Mon Apr 19 2010 - 10:48:47 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:40:02 UTC