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 Forum index » Advanced Topics » Cutting edge » Multi-session live-CD/DVD
Test iso 19th Oct. 2005
Moderators: Flash, Ian, JohnMurga
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BarryK
Puppy Master


Joined: 09 May 2005
Posts: 7060
Location: Perth, Western Australia

PostPosted: Thu 20 Oct 2005, 08:45    Post subject:  

Quote:
seems to imply that growisofs will know if there is enough space left on a mini-DVD to save a session.


Yeah, what I have done in the shutdown script rc.reboot-cd is if growisofs
returns with $? -ne 0 then the script assumes cannot burn to that DVD and
will ask for a new one
...that's if I got the logic right, as not yet tested.
...also assuming that growisofs will return a non-zero value if cannot burn to a DVD. I do know if a DVD is closed, it returns value 255.

Anyway, 20th October iso now available.
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BarryK
Puppy Master


Joined: 09 May 2005
Posts: 7060
Location: Perth, Western Australia

PostPosted: Thu 20 Oct 2005, 09:27    Post subject:  

Quote:
...earlier growisofs versions did not check if there is enough space on media to accommodate the data set to be burned, meaning that it was your sole responsibility to make sure "overburn" condition is not raised. As of version 5.2 growisofs performs the necessary checks for you and refuses to start recording if "overburn" condition appears to be unavoidable...


We are supplying a list of files to save. I'm uncertain that growisofs determines the total requirement for those files ...if it does, that is good.
That will simplify the code if it can be determined. For now, rc.reboot-cd
has its own code to determine if limit will be overrun.
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