Re: Bug report added

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mcforum@xxxxxxxxxxxxx wrote:

    At this time F7 is booted and from that I used fdisk to find the
    hard drive with F7 64 bit. As you can see it finds all the
    partitions as /dev/sdf.

    Command (m for help): p

    Disk /dev/sdf: 160.0 GB, 160041885696 bytes
    255 heads, 63 sectors/track, 19457 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes

      Device Boot      Start         End      Blocks   Id  System
    /dev/sdf1               1        1000     8032468+   7  HPFS/NTFS
    /dev/sdf2            1001        1141     1132582+  82  Linux swap / Solaris
    /dev/sdf3   *        1142        2500    10916167+  83  Linux
    /dev/sdf4            2501       19457   136207102+   5  Extended
    /dev/sdf5            2501        2585      682731   83  Linux

    mount -t ext3 /dev/sdf3 /fc4
    [root k5di ~]#

    [root k5di ~]# df
    Filesystem           1K-blocks      Used Available Use% Mounted on
    /dev/sda5             39674192  11689048  25937260  32% /
    tmpfs                   484484         0    484484   0% /dev/shm
    /dev/sda7             14832416   8021112   6057860  57% /home
    /dev/sda6               108865     28993     74251  29% /boot
    /dev/sdf3             10574036   3867712   6160516  39% /fc4
    [root k5di ~]#

    Note the last entry in df. That is /dev/sdf3 mounted on this
    computer which is /dev/sda5. I used fdisk and mount and df, three
    tools to show you what a hard drive has. No one can say that
    /dev/sdf doesn't exist on my computer. Some say the /dev/sdf3 is
    just a designator of a partition on a hard drive. To this I say
    there is nothing else! I can mount the designator and I discover
    it is a partition. Next I must turn off this computer and come up
    with the rescue CD so that neither computer is boot up. In this
    case with fdisk I found both hard drives have changed. The hard
    drive that had been /dev/sdf is now dev/sda. The one which had
    been /dev/sda is now /dev/sdb. How did this happen? Finally I boot
    up the computer on /dev/sdf3 and it becom! es /dev /sda. To my
    surprise I am booting it from /dev/sdb and not /dev/sdf. Here is
    what my grub.conf looks like.

    timeout=5
    splashimage=(hd0,5)/grub/splash.xpm.gz
    hiddenmenu
    title Fedora (2.6.22.9-91.fc7)
           root (hd0,5)
           kernel /vmlinuz-2.6.22.9-91.fc7 ro root=/dev/sda5  quiet
           initrd /initrd-2.6.22.9-91.fc7.img
    title Fedora (2.6.22.7-85.fc7)
           root (hd0,5)
           kernel /vmlinuz-2.6.22.7-85.fc7 ro root=/dev/sda5  quiet
           initrd /initrd-2.6.22.7-85.fc7.img
    title Fedora (2.6.22.5-76.fc7)
           root (hd0,5)
           kernel /vmlinuz-2.6.22.5-76.fc7 ro root=/dev/sda5  quiet
           initrd /initrd-2.6.22.5-76.fc7.img
    title Fedora f7-64
           rootnoverify (hd1,2)
           makeactive
           chainloader +1


    Now if it seems to you that I do not understand what is happening
    then I got the message across.

You have it all worked out. The system now makes whichever drive has the root filesystem /dev/sda. When you boot from the rescue disk the SATA bus on your system takes precedence over the IDE bus on your motherboard since neither harddrive has the root filesystem. When you boot F7-64 its root defines which drive shows as /dev/sda. Squishy, but it is the new way. The reccomendation has been to use labels on all your partitions and take care that they are all unique. Then use root=LABEL=bplpxwtz in the kernel line in grub as well as labels in fstab. I have a transitional motherboard that has an IDE 100 bus and a separate IDE 133 bus. The drive on the IDE 133 bus which has Fedora was /dev/hde FC6 and previous incarnations. It now is /dev/sda in F7 and Rawhide. Care must be taken when setting up multiboot systems to get the unique partition labels. Robert McBroom
Thanks and glad to hear another person has the same things happening. I sounds as if it is a BIOS thing and my new computer has an odd bios that I can reach. Easy to miss important tabs :-)

I will talk about all the good and bad on this computer brought out loading F7 and getting it working. Most is not F7 problems of any kind.




--

	Karl F. Larsen, AKA K5DI
	Linux User
	#450462   http://counter.li.org.

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