DVD OPC errors with growisofs

Warren Block wblock at wonkity.com
Mon Oct 8 04:08:22 UTC 2012

I'm using growisofs to write DVDs of backup files.  Some combinations of 
older drives and newer media give ":-( unable to PERFORM OPC: 
Input/output error".

Can limiting write speed avoid these errors?  And what ways are there to 
detect the fastest speed supported by both drive and media?

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