On 04/16/2010 06:17 PM, david walcroft informed us: > On 04/16/2010 03:58 PM, Mogens Kjaer wrote: > >> On 04/16/2010 04:59 AM, david walcroft wrote: >> ... >> >>> I tried your command but this error came up >>> >>> [david at reddwarf ~]$ growisofs -dvd-compat -Z >>> /dev/dvd=rpm/CentOS-5.4-x86_64-bin-DVD.iso >>> :-( /dev/dvd: media is not recognized as recordable DVD: 0 >>> >> What does this command say? >> >> dvd+rw-mediainfo /dev/dvd >> >> Mogens >> >> > [david at reddwarf ~]$ dvd+rw-mediainfo /dev/dvd > /dev/dvd: unable to open: No such file or directory > > Thanks david > Sometimes devices can be elusive, especially if one is external. Try this to locate drives and symlinks: [root at madeleine ~]# ls -l /dev | grep dvd lrwxrwxrwx 1 root root 4 Apr 16 21:17 dvd -> scd0 lrwxrwxrwx 1 root root 3 Apr 16 21:17 dvd-hda -> hda lrwxrwxrwx 1 root root 3 Apr 16 21:17 dvd-hdb -> hdb lrwxrwxrwx 1 root root 4 Apr 16 21:17 dvdrw -> scd0 lrwxrwxrwx 1 root root 3 Apr 16 21:17 dvdrw-hda -> hda lrwxrwxrwx 1 root root 3 Apr 16 21:17 dvdrw-hdb -> hdb lrwxrwxrwx 1 root root 4 Apr 16 21:17 dvdrw-sr0 -> scd0 lrwxrwxrwx 1 root root 4 Apr 16 21:17 dvd-sr0 -> scd0 lrwxrwxrwx 1 root root 4 Apr 16 21:17 dvdwriter -> scd0 lrwxrwxrwx 1 root root 3 Apr 16 21:17 dvdwriter-hda -> hda lrwxrwxrwx 1 root root 3 Apr 16 21:17 dvdwriter-hdb -> hdb lrwxrwxrwx 1 root root 4 Apr 16 21:17 dvdwriter-sr0 -> scd0 Also, the obvious but easily overlooked... Be sure to use "/dev/dvd", not "dev/dvd" BTW, dvd+rw-mediainfo DOES work: [rj at madeleine rj]$ dvd+rw-mediainfo /dev/dvd INQUIRY: [HP ][DVD Writer 1040r][MH21] GET [CURRENT] CONFIGURATION: Mounted Media: 13h, DVD-RW Restricted Overwrite Media ID: TDK601saku Current Write Speed: 4.0x1385=5540KB/s Write Speed #0: 4.0x1385=5540KB/s GET [CURRENT] PERFORMANCE: Write Performance: 4.0x1385=5540KB/s@[0 -> 936159] Speed Descriptor#0: 00/936159 R at 7.7x1385=10704KB/s W at 4.0x1385=5540KB/s READ DVD STRUCTURE[#10h]: Media Book Type: 00h, DVD-ROM book [revision 0] Legacy lead-out at: 2298496*2KB=4707319808 READ DVD STRUCTURE[#0h]: Media Book Type: 33h, DVD-RW book [revision 3] Last border-out at: 2045*2KB=4188160 READ DISC INFORMATION: Disc status: complete Number of Sessions: 1 State of Last Session: complete Number of Tracks: 1 READ FORMAT CAPACITIES: formatted: 936160*2048=1917255680 00h(800): 2297888*2048=4706074624 10h(10): 2297888*2048=4706074624 13h(10): 1361728*2048=2788818944 15h(10): 2297888*2048=4706074624 READ TRACK INFORMATION[#1]: Track State: complete incremental Track Start Address: 0*2KB Free Blocks: 0*2KB Fixed Packet Size: 16*2KB Track Size: 936160*2KB FABRICATED TOC: Track#1 : 14 at 0 Track#AA : 17 at 936160 Multi-session Info: #1 at 0 READ CAPACITY: 936160*2048=1917255680 [rj at madeleine rj]$ Good luck!