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i have a strange problem. i have a IBM client machine with a sata HDD , RHEL 5.0 and a internal DVD writer. the HDD is detected as /dev/sda when ...
  1. 01-17-2010 #1
    rituraj.goswami
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    Talking Is it a Problem? nah, but something is wrong!!!!


    i have a strange problem. i have a IBM client machine with a sata HDD , RHEL 5.0 and a internal DVD writer. the HDD is detected as /dev/sda when the writed is with the machine, but when i pull out the internal DVD writer RHEL crashes and i have to change the fstab entry to /dev/hda. kinda strange , i didn't understood it. any ideas.
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  2. 01-18-2010 #2
    meton_magis
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    The way that Fedora has begun getting around this problem (as external hard drives become more common) was to use the LABEL=XYZXYZXYZ123 in place of the /dev/sd? notation. I don't know much more about it, because I've never manualy done this, but you should be able to google more from that.
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  3. 01-18-2010 #3
    devils casper
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    Could you post the contents of /etc/fstab file and output of df -h command here?
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  4. 01-20-2010 #4
    Rubberman
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    Check the BIOS settings. I expect that the sata->ata/ide translation feature is enabled so that Windows XP prior to SP3 can boot and run. As a result, if only the HDD is there, the OS is reverting to the old style of device naming, yet your /etc/fstab is set to /dev/sda because when you installed the OS the DVD writer was there. The other thing is that you should use labels for your hard drive partitions so that if this sort of thing happens, /etc/fstab is still correct for mounting your file systems. In my CentOS 5 system, the system entries in /etc/fstab are configured this way:
    Code:
    LABEL=/                 /                       ext3    defaults        1 1
LABEL=/boot1            /boot                   ext3    defaults        1 2
    Note that they don't refer to the device name at all.
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