SOLVED: [CentOS] CDRW-DVD Mount Problem, Centos 5.1, Intel board...

Problem has been solved: "sudo mount -t iso9660 /dev/cdrom /mnt/cdrom -o" 
mounted the drive after adding "mount /mnt/cdrom" to /etc/festab.



----- Original Message ----
From: Pam Astor <pamastor at yahoo.com>
To: centos at centos.org
Sent: Monday, March 17, 2008 1:45:16 PM
Subject: [CentOS] CDRW-DVD Mount Problem, Centos 5.1, Intel board...

	 			
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I'm having a problem mounting my new
CDRW DVD in my new machine I just built.  The motherboard is an Intel
DP35DP, and I connected the CDRW DVD via ribbon cable into the
motherboard  IDE slot.  Centos 5.1 is installed and functioning fine
so far (other than this problem).


I can't mount the CDRW-DVD unit.  I was
able to run cdrecord with the command:
cdrecord -v speed=2 dev=6,0,0 -data
/home/mydir/Desktop/backup_bootimage.iso to copy a file that I
downloaded, apparently the data copy went fine, but when I ejected
the CD and then tried to re mount the same CD to read the file, it would not
mount.  So then I tried mounting the Centos 5.1 distro disk that I used to install the OS, and am having the same problem with the distro disk.  If anyone could give me some suggestions or insights I'd
appreciate it.  I have provided some data below.


I tried the below commands after
ejecting the CD and then executing the commands while the drawer is
open, and I got the below outputs:


# sudo mount -t iso9660 /dev/sr0
/mnt/cdrom
mount: special device /dev/sr0 does not
exist


And:


# mount /dev/cdrom /mnt/cdrom
mount: block device /dev/cdrom is
write-protected, mounting read-only
mount: you must specify the filesystem
type


And:


# mount /dev/scd0 /mnt/cdrom
mount: block device /dev/scd0 is
write-protected, mounting read-only
mount: you must specify the filesystem
type


And:


#sudo mount -t iso9660 /dev/scd0
/mnt/cdrom
mount: block device /dev/scd0 is
write-protected, mounting read-only
mount: wrong fs type, bad option, bad
superblock on /dev/scd0,
       missing codepage or other error
       In some cases useful info is
found in syslog - try
       dmesg | tail  or so


And:


sudo mount -t iso9660 /dev/scd0
/mnt/cdrom -o ro,unhide
mount: wrong fs type, bad option, bad
superblock on /dev/scd0,
       missing codepage or other error
       In some cases useful info is
found in syslog - try
       dmesg | tail  or so
And:


sudo mount -t iso9660 /dev/sr0
/mnt/cdrom -o ro,unhide
mount: special device /dev/sr0 does not
exist




Here is info from cat /etc/fstab, cat
/proc/mounts, fdisk -l, and cdrecord -scanbus and
dmesg | grep -i -e CD -e CD-ROM
respectively:


>From cat/etc/fstab:
/dev/VolGroup00/LogVol00 / ext3 defaults 11
LABEL=/boot /boot ext3 defaults 1 2
tmpfs /dev/shm tmpfsdefaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs/sys sysfs defaults 0 0
proc /proc proc defaults 00
/dev/VolGroup00/LogVol01 swap swap defaults 0 0


>From cat /proc/mounts:
[root at localhost/]# cat /proc/mounts
rootfs / rootfs rw 0 0
/dev/root / ext3rw,data=ordered 0 0
/dev /dev tmpfs rw 0 0
/proc /proc proc rw0 0
/sys /sys sysfs rw 0 0
none /selinux selinuxfs rw 00
/proc/bus/usb /proc/bus/usb usbfs rw 0 0
devpts /dev/ptsdevpts rw 0 0
/dev/sda1 /boot ext3 rw,data=ordered 0 0
tmpfs/dev/shm tmpfs rw 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 00
/etc/auto.misc /misc autofsrw,fd=6,pgrp=2758,timeout=300,minproto=5,maxproto=5,indirect 00
-hosts /net autofsrw,fd=11,pgrp=2758,timeout=300,minproto=5,maxproto=5,indirect 00

fdisk -l

Disk /dev/sda: 500.1 GB, 500107862016bytes
255 heads, 63 sectors/track, 60801 cylinders
Units =cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start EndBlocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 1460801 488279610 8e Linux LVM

Disk /dev/sdb: 500.1 GB,500107862016 bytes
255 heads, 63 sectors/track, 60801cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

DeviceBoot Start End Blocks Id System
/dev/sdb1 * 1 60801 488384001 8eLinux LVM


>From  cdrecord -scanbus:
scsibus6:
6,0,0 600) 'TSSTcorp''CDDVDW SH-S202J ' 'SB00' Removable CD-ROM
6,1,0 601) *
6,2,0602) *
6,3,0 603) *
6,4,0 604) *
6,5,0 605) *
6,6,0 606)*
6,7,0 607) *


>From dmesg | grep -i -e CD -e CD-ROM:


[root at localhost etc]# dmesg | grep -i
-e CD -e CD-ROM
uhci_hcd 0000:00:1a.0: UHCI Host
Controller
uhci_hcd 0000:00:1a.0: new USB bus
registered, assigned bus number 1
uhci_hcd 0000:00:1a.0: irq 193, io base
0x000030e0
uhci_hcd 0000:00:1a.1: UHCI Host
Controller
uhci_hcd 0000:00:1a.1: new USB bus
registered, assigned bus number 2
uhci_hcd 0000:00:1a.1: irq 74, io base
0x000030c0
uhci_hcd 0000:00:1a.2: UHCI Host
Controller
uhci_hcd 0000:00:1a.2: new USB bus
registered, assigned bus number 3
uhci_hcd 0000:00:1a.2: irq 177, io base
0x000030a0
uhci_hcd 0000:00:1d.0: UHCI Host
Controller
uhci_hcd 0000:00:1d.0: new USB bus
registered, assigned bus number 4
uhci_hcd 0000:00:1d.0: irq 82, io base
0x00003080
uhci_hcd 0000:00:1d.1: UHCI Host
Controller
uhci_hcd 0000:00:1d.1: new USB bus
registered, assigned bus number 5
uhci_hcd 0000:00:1d.1: irq 201, io base
0x00003060
usb 2-1: new low speed USB device using
uhci_hcd and address 2
uhci_hcd 0000:00:1d.2: UHCI Host
Controller
uhci_hcd 0000:00:1d.2: new USB bus
registered, assigned bus number 6
uhci_hcd 0000:00:1d.2: irq 193, io base
0x00003040
ohci_hcd: 2005 April 22 USB 1.1 'Open'
Host Controller (OHCI) Driver (PCI)
ehci_hcd 0000:00:1a.7: EHCI Host
Controller
ehci_hcd 0000:00:1a.7: new USB bus
registered, assigned bus number 7
ehci_hcd 0000:00:1a.7: debug port 1
ehci_hcd 0000:00:1a.7: irq 177, io mem
0xe3225c00
ehci_hcd 0000:00:1a.7: USB 2.0 started,
EHCI 1.00, driver 10 Dec 2004
ehci_hcd 0000:00:1d.7: EHCI Host
Controller
ehci_hcd 0000:00:1d.7: new USB bus
registered, assigned bus number 8
ehci_hcd 0000:00:1d.7: debug port 1
ehci_hcd 0000:00:1d.7: irq 82, io mem
0xe3225800
ehci_hcd 0000:00:1d.7: USB 2.0 started,
EHCI 1.00, driver 10 Dec 2004
usb 2-1: new low speed USB device using
uhci_hcd and address 3
usb 3-2: new low speed USB device using
uhci_hcd and address 2
  Vendor: TSSTcorp  Model: CDDVDW
SH-S202J   Rev: SB00
  Type:   CD-ROM                       
     ANSI SCSI revision: 05
sr0: scsi3-mmc drive: 48x/48x writer
dvd-ram cd/rw xa/form2 cdda tray
Uniform CD-ROM driver Revision: 3.20
sr 6:0:0:0: Attached scsi CD-ROM sr0
cdrom: This disc doesn't have any
tracks I recognize!
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready yet.
sr0: CDROM not ready yet.
sr0: CDROM not ready yet.
sr0: CDROM not ready yet.
sr0: CDROM not ready yet.
sr0: CDROM not ready yet.
sr0: CDROM not ready yet.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.
sr0: CDROM not ready.  Make sure there
is a disc in the drive.



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