New CDRW/DVD combo drive not working!
Installed new LITEON CD-RW/DVD combo drive on secondary IDE channel.
mount -t auto /dev/cdrom /mnt/cdrom get error: can't read superblock what have i missed?? Using Redhat 9 any help thanks. |
secondry master or slave? if master replace /dev/cdrom with /dev/hdc else /dev/hdd. also make sure its got a readable disk in it.
to get cd burning working you'll need a kernel with scsi emulation enabled and you'll need to specify the drive as ide-scsi at boot time. |
Thanks Kev82,
Drive is attached to secondary master (hdc) and i tried /dev/hdc still get same message. How do check for scsi emulation?. I tried lsmod which shows a list of stuff but dont know what i'm looking for!. Also I know i need something in my /etc/grub.conf here it is at prsent:- # grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You have a /boot partition. This means that # all kernel and initrd paths are relative to /boot/, eg. # root (hd0,0) # kernel /vmlinuz-version ro root=/dev/hdc2 # initrd /initrd-version.img #boot=/dev/hdc default 0 timeout 1 splashimage=(hd0,0)/grub/splash.xpm.gz fallback 1 title Red Hat Linux (2.4.20-20.9) root (hd0,0) kernel /vmlinuz-2.4.20-20.9 ro root=LABEL=/ initrd /initrd-2.4.20-20.9.img / hdc=ide-scsi title Red Hat Linux (2.4.20-19.9) root (hd0,0) kernel /vmlinuz-2.4.20-19.9 ro root=LABEL=/ initrd /initrd-2.4.20-19.9.img As you can see i have added hdc=ide-scsi is this in the right place?? Also here is etc/fstab: LABEL=/ / ext3 defaults 1 1 LABEL=/boot /boot ext3 defaults 1 2 none /dev/pts devpts gid=5,mode=620 0 0 none /proc proc defaults 0 0 none /dev/shm tmpfs defaults 0 0 /dev/hda3 swap swap defaults 0 0 /dev/cdrom /mnt/cdrom iso9660 noauto,user,kudzu,ro 0 0 How someone can help as this is now driving me INSANE! |
oh youve already done hdc=ide-scsi, in that case try /dev/scd0 instead of /dev/hd?, if that doesnt work run cdrecord -scanbus to test if scsi emulation is picking it up.
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/dev/scd0 gives out not a valid block device
when i try cdrecord -scanbus i get: cdrecord no such file or directory. cannot open '/dev/pg*'. cannot open scsi driver. |
Problem now solved!!, hdc=ide-scsi in the wrong place!. now iam able to mount under root cd & dvd data now just need to try writing cd's & playing DVD's.
What software is there for playing DVD's under redhat 9?. also how do i make all users able to mount CD/DVD's?. I have changed 'owner' to 'users' in /etc/fstab but when i tried to mount cd in shell as user it said only root can do this. Thanks for your help Kev82. |
assuming the device is /dev/cdrom then the fstab line you have above should work fine. i wouldnt bother with the owner option, its only useful if you have people logging in remotely.
as for playing dvd's i would go with mplayer. |
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