Just because you can see the DVD content under Windows does not necessarily mean it is ISO9660. It could also be UDF or some other PC hybrid. You can can right click on the DVD in Windows, choose Properties and it should show you the File System format in the General Tab.
File System format is CDFS in windows ( I believe equates to ISO9960 ? ) - which is what I kind of knew, given I have used this DVD to actually do the install on my linux server ( I was just wanting to mount it, so I could copy off the packages directory onto the server itself )
Well, are the Linux server and your Windows computer the same machine?
Did you use the same DVD in the same Linux server before?
Is it erasable DVD media?
When I mount a DVD I usually just use e.g. "mount /dev/cdrom /cdrom" without specifying any options or file system and it usually works fine. The mount command examines the partition header and should automatically detect the files system. Can you try if this give the same error?
Are DVD drives covered by ISO9660 ? I saw a hit that said not all DVD drives are ( I gues this could be why it is complaining about the FS type ) ?
However the hit did not offer an alternative mount command.
I will burn the packages to a CDROM to see if that makes a difference
Checked the drive on my windows server ( where I burnt the DVD ) and on my Linux Server. Both have the same DVD formats written on them.
I burned the DVD using the native burning software of Windows 7 Professional.
I tried to mount an empty CD on my linux server and got the same error message ( reported in my earlier post ) as when trying to mount a DVD. Remember this is the same drive ( and DVD for that matter ) that I did the original Linux install from
In desperation I even tried to reinstall Linux 6-2 on my server - however the installer does not seem to fire up from the DVD drive ( even though I have checked that the BIOS has the drive at the first source in the boot order ) - this is the exact same DVD I did the original install from on this server. When I put other bootable DVD's in the drive it picks them up ok.
It is almost as if it is refusing to boot from the Linux 6-2 DVD because this is already installed on the server !
I burned from the same ISO image again but this time I used a freeware burner app ( instead of Windows 7 native burner ) and just for good measure I used an external USB DVD drive instead of my internal.
Recently had my windows laptop forceably upgraded to Windows 7 in my absence, and as part of this helpful upgrade it screwed my Nero 6 install ( hence why I was using Windows 7 burner ! )
Seems to have made a difference. So it wasn't the ISO image itself but either the drive or Windows 7 - I think your appreciation of Windows may be spot on !!