Unable to mount CDROM

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# 1  
Unable to mount CDROM


I have created a RHEL6 machine that is hosted on VMWare player that in turn runs off my Windows 7 PC.

When I try and mount the CDROM on the RHEL6 box I get the following output:

[twood@localhost ~]$ mount /dev/cdrom/media
mount: can't find /dev/cdrom/media in /etc/fstab or /etc/mtab
[twood@localhost ~]$

Here is the output from the /etc/fstab file:

I have also listed the files under /dev/sr0:
# Created by anaconda on Tue Sep 25 08:44:35 2012
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
UUID=750e57a7-374a-42b7-80a8-ebc2ba6edf4a /                       ext4    defaults        1 1
UUID=e6619f17-bd0d-4f80-9c38-8b37bc0c862c /boot                   ext4    defaults        1 2
UUID=efade61b-c9b2-432d-a77a-dd32ad6f8e90 swap                    swap    defaults        0 0
tmpfs                   /dev/shm                tmpfs   defaults        0 0
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
sysfs                   /sys                    sysfs   defaults        0 0
proc                    /proc                   proc    defaults        0 0
/dev/sr0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0
/dev/sr1 /media/cdrom1 udf,iso9660 user,noauto,exec,utf8 0 0

When I run the "mount" command I see that there is no CD device mounted:

[root@localhost ~]# mount
/dev/sda2 on / type ext4 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw,rootcontext="system_u:object_r:tmpfs_t:s0")
/dev/sda1 on /boot type ext4 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
vmware-vmblock on /var/run/vmblock-fuse type fuse.vmware-vmblock (rw,nosuid,nodev,default_permissions,allow_other)

I have also checked the settings under /dev/sr0:

[root@localhost ~]# ls -al /dev/cd*
lrwxrwxrwx. 1 root root 3 Oct  3 05:51 /dev/cdrom1 -> sr0
lrwxrwxrwx. 1 root root 3 Oct  3 05:51 /dev/cdrw1 -> sr0
[root@localhost ~]# ls -l /dev | grep cd
lrwxrwxrwx. 1 root root           3 Oct  3 05:51 cdrom1 -> sr0
lrwxrwxrwx. 1 root root           3 Oct  3 05:51 cdrw1 -> sr0
lrwxrwxrwx. 1 root root           3 Oct  3 05:51 scd0 -> sr0
crw-rw----. 1 root cdrom    21,   0 Oct  3 05:51 sg0
brw-rw----+ 1 root cdrom    11,   0 Oct  3 05:51 sr0

After searching through various Linux forums and websites I tried the following command:

[root@localhost media]# mount -t ext3 /dev/sr0 /media/cdrom
mount: block device /dev/sr0 is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/sr0,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so
[root@localhost media]# dmesg | tail
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
SELinux: initialized (dev sr0, type iso9660), uses genfs_contexts
VFS: busy inodes on changed media or resized disk sr0
VFS: busy inodes on changed media or resized disk sr0
VFS: busy inodes on changed media or resized disk sr0
VFS: busy inodes on changed media or resized disk sr0
VFS: busy inodes on changed media or resized disk sr0
VFS: busy inodes on changed media or resized disk sr0
EXT3-fs (sr0): error: can't find ext3 filesystem on dev sr0.
[root@localhost media]#

Incidently, under my /dev file system there is no "cdrom" file. There are the following files, though: cdrom1 cdrw1, dvd1 and dvdrw1.
So my final question is: If I can't mount the CDROM under "/dev/cdrom/media" where can I mount it?
I hope this makes sense. My apologies as this is the first time I have used this forum for a while and am not familiar with the correct etiquette etc.
# 2  
cdroms are not ext3, they are iso9660.

I have no idea where you got /dev/cdrom/media.

Just mount /media/cdrom0 ought to do the job according to your fstab.
This User Gave Thanks to Corona688 For This Post:
# 3  
Unable to mount CDROM

Thanks for your feedback.

I inserted a RHEL4 CD into the drive tried running the #mount /media/cdrom# command but the drive didn't seem to recognise the media.

#[root@localhost ~]# mount /media/cdrom0
mount: no medium found on /dev/sr0#

I tried another CDROM but got the same message. I then run the following commands:

#[root@localhost ~]# dmesg | grep sr0
sr0: scsi3-mmc drive: 1x/1x writer dvd-ram cd/rw xa/form2 cdda tray
sr 2:0:0:0: Attached scsi CD-ROM sr0
[root@localhost ~]# 
#[root@localhost ~]# ls -al /dev/sr0
brw-rw----+ 1 root cdrom 11, 0 Oct 23 08:13 /dev/sr0
[root@localhost ~]# ls -al /dev/cdrom0
ls: cannot access /dev/cdrom0: No such file or directory
[root@localhost ~]# ls -al /dev/cdrom1
lrwxrwxrwx. 1 root root 3 Oct 23 08:13 /dev/cdrom1 -> sr0
[root@localhost ~]#

Can you suggest anything else?.

Last edited by Corona688; 10-23-2012 at 01:39 PM..
# 4  
My RHEL virtual Machine Does not have Virtual Machine Manager Desktop Tool


I don't seem to have the Virtual Machine Manager Desktop tool set up on my RHEL6 Machine. The Linux machine runs off VMWare player and I'm not sure whether it is a VMWare software issue or a problem with the RHEL6 installation.

When I launch a GNOME GUI there is no option for VMM under "Applicatons">"System Tools". (See Attachment)

I also run the following command:

HTML Code:
[root@localhost ~]# lsmod | grep kvm
kvm                   300283  0
As mentioned above, the Linux machine runs off a VMWare Player platform. When I built the machine I used the quick install option on VMWare Player and in doing so there seems to be some features missing - including the VMM desktop tool.

Once again, I'm not sure if this is a VMWare or RHEL6 issue. Please could someone shed some light on this issue.
Unable to mount CDROM-image001png

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