mount: special device /dev/dvd does not exist

[root@localhost ~]# mount /dev/dvd /mnt/
mount: special device /dev/dvd does not exist

tried the following command and it worked!

ln -sf /dev/hdc /dev/dvd

[root@localhost ~]# mount /dev/dvd /mnt/
mount: block device /dev/dvd is write-protected, mounting read-only
[root@localhost ~]# cd /mnt/
[root@localhost mnt]# ls
Cluster         README-or.html         RELEASE-NOTES-ml.html
ClusterStorage  README-pa.html         RELEASE-NOTES-mr.html
EULA            README-pt_BR.html      RELEASE-NOTES-or.html
eula.en_US      README-ru.html         RELEASE-NOTES-pa.html
GPL             README-si.html         RELEASE-NOTES-p

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