[CentOS] CentOS-7-x86_64-dvd-2009.iso is too big for DVD blanks

Mon Mar 15 01:45:55 UTC 2021
Valeri Galtsev <galtsev at kicp.uchicago.edu>


> On Mar 14, 2021, at 8:36 PM, Valeri Galtsev <galtsev at kicp.uchicago.edu> wrote:
> 
> 
> 
>> On Mar 14, 2021, at 8:13 PM, Robert G. (Doc) Savage via CentOS <centos at centos.org> wrote:
>> 
>> I need help from someone experienced with the CentOS bug tracking
>> system. I gotta say it is one of the most complicated and imposing
>> front ends I've ever seen. Could anyone familiar with it please file a
>> bug on my behalf? Particulars:
>> 
>> "CentOS 7.9.2009 DVD iso image too large"
>> 
>> ISO image: CentOS-7-x86_64-DVD-2009.iso 4.7GB raw CD image
>> Wed Nov  4 05:37:25 2020
>> Burners: Both K3B and Brasero
>> Media: Both DVD-R and DVD+R single-layer disks
>> 
>> iso image: 4,712,300,544 bytes
>> User Anthony F McInerney advises Wikipedia says
>> DVD-R capacity: 4,707,319,808 bytes (max)
>> 
>> I have tried burning this same iso image on two different machines: a
>> CentOS 7.9 server and a Fedora 33 laptop. Same failure on both.
>> 
>> We need to ask the developers to make a re-spin that's about 5MB
>> smaller. And before someone suggests it, the 2010-vintage server I'm
>> trying to install CentOS on does not support booting from a thumb
>> drive, so that option is not available.
> 
> Double layer DVD comes to my mind.
> 

Another thing came to my mind: you can try growisofs in command line with -overnurn option.

Valeri

> But I agree, it is annoying, and I’ve seen things like that, this is not the first time I see alleged DVD image doesn’t fit into DVD it’s supposed to be burned to.
> 
> Valeri
> 
>> Thanks,
>> 
>> --Doc Savage
>>    Fairview Heights, IL
>> 
>> _______________________________________________
>> CentOS mailing list
>> CentOS at centos.org
>> https://lists.centos.org/mailman/listinfo/centos
>