cd-info --dvd

root ~ # cd-info --dvd
cd-info version 0.90 x86_64-redhat-linux-gnu
Copyright (c) 2003, 2004, 2005, 2007, 2008, 2011, 2012 R. Bernstein
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
CD location   : /dev/cdrom
CD driver name: GNU/Linux
   access mode: IOCTL

Vendor                      : HL-DT-ST
Model                       : DVD+-RW GU90N
Revision                    : A100
Hardware                                  : CD-ROM or DVD
Can eject                                 : Yes
Can close tray                            : Yes
Can disable manual eject                  : Yes
Can select juke-box disc                  : No

Can set drive speed                       : No
Can read multiple sessions (e.g. PhotoCD) : Yes
Can hard reset device                     : Yes

Reading....
  Can read Mode 2 Form 1                  : Yes
  Can read Mode 2 Form 2                  : Yes
  Can read (S)VCD (i.e. Mode 2 Form 1/2)  : Yes
  Can read C2 Errors                      : Yes
  Can read IRSC                           : Yes
  Can read Media Channel Number (or UPC)  : Yes
  Can play audio                          : Yes
  Can read CD-DA                          : Yes
  Can read CD-R                           : Yes
  Can read CD-RW                          : Yes
  Can read DVD-ROM                        : Yes

Writing....
  Can write CD-RW                         : Yes
  Can write DVD-R                         : Yes
  Can write DVD-RAM                       : Yes
  Can write DVD-RW                        : No
  Can write DVD+RW                        : No
__________________________________

Disc mode is listed as: DVD-ROM
CD-ROM Track List (1 - 1)
  #: MSF       LSN    Type   Green? Copy?
  1: 00:02:00  000000 data   false  no
170: 00:02:00  000000 leadout (0 bytes(0 KB raw, 0 bytes0 KB formatted)
__________________________________
CD Analysis Report
CD-ROM with unknown filesystem