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Buffer I/O error in red hat linux boot up

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Operating Systems Linux Red Hat Buffer I/O error in red hat linux boot up
# 1  
Old 02-25-2010
Buffer I/O error in red hat linux boot up
I get error message when boot up red hat linux
Code:
Buffer I/O error on device hdc ,logical block XX
...
/dev/hdc:read failed after 0 of 2048 at 0 : input/output error
.....

I paste the /etc/fstab file in here
/dev/hdc is cdrom
How can I fix it
Please advice

Code:
[root@vmlinux ~]# cat /etc/fstab
# This file is edited by fstab-sync - see 'man fstab-sync' for details
/dev/vg00/lvol2         /                       ext3    defaults        1 1
LABEL=/boot             /boot                   ext3    defaults        1 2
none                    /dev/pts                devpts  gid=5,mode=620  0 0
none                    /dev/shm                tmpfs   defaults        0 0
/dev/vg00/lvol4         /home                   ext3    defaults        1 2
none                    /proc                   proc    defaults        0 0
none                    /sys                    sysfs   defaults        0 0
/dev/vg00/lvol3         /var                    ext3    defaults        1 2
/dev/vg00/lvol1         swap                    swap    defaults        0 0
/dev/sdb1               /product                ext3    defaults        0 0
/dev/sdb2               /database               ext3    defaults        0 0
/dev/sdc1               /product1               ext3    defaults        0 0
/dev/sdc2               /database1               ext3    defaults        0 0
/dev/hdc                /media/cdrom            auto    pamconsole,fscontext=system_u:object_r:removable_t,exec,noauto,managed 0 0
/dev/fd0                /media/floppy           auto    pamconsole,fscontext=system_u:object_r:removable_t,exec,noauto,managed 0 0
[root@vmlinux ~]#

Buffer I/O error in red hat linux boot up-dev_hdc_errjpg
Last edited by pludi; 02-25-2010 at 08:28 AM.. Reason: code tags, please...
# 2  
Old 02-25-2010
It is hard to tell from your screen shot exactly where exactly in the boot process this error is occurring? Can you provide more information?

Have you a CD in the device when you this is occurring? Is SELinux in enforcing mode?
# 3  
Old 02-25-2010
is this a real CD or a virtual CD device that some servers have? Are you sure that the drives retain their order at startup and that udev is not changing the order at initialization?
# 4  
Old 02-25-2010
There is no CD in the CDROM.
The CDROM is working and no fault .
Please advice how to fix those bootup error ???
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