add hda, still boot XP from sda?

From: g whitley mott (grwm_at_gnuleaf.net)
Date: 01/27/04

  • Next message: Hamilton Andrew: "RE: How can I create ext3 file system on Redhat AS 2.1" 
    To: redhat-list@redhat.com
Date: Tue, 27 Jan 2004 20:18:31 +0000

    hello, any dual boot geeks here?

    when i add hda (with linux) where before there was only sda (with XP),
    can i somehow still boot XP on that sda?

    so far i can only make XP boot by removing hda again. (an idea i
    haven't tried yet is to copy XP onto an hda partition, tho i'd rather
    leave it on sda if possible.)

    here's the grub entries i've tried (no joy):
    title _XP sda2 (hd1,1)
       hide (hd0,3)
       unhide (hd1,1)
       rootnoverify (hd1,1)
       makeactive
       chainloader --force +1
       pause pausing..
    title _XP map swap
       map (hd0) (hd1)
       map (hd1) (hd0)
       rootnoverify (hd0,1)
       makeactive
       chainloader --force +1
       pause pausing..
    title _XP sda2 (hd2,1)
       rootnoverify (hd2,1)
       chainloader +1
       makeactive
    title _XP sda2 (hd7,1)
       rootnoverify (hd7,1)
       chainloader +1
    title _XP sda2 (hd8,1)
       rootnoverify (hd8,1)
       chainloader +1
    title _XP sda2 (hd9,1)
       rootnoverify (hd9,1)
       chainloader +1

    (the hda partition i'm hiding contains win2k.)
    trying the first above, after proceeding from the pause, it hangs.
    trying the second, after proceeding from the pause, grub prints "Loading
    Stage2", if i read correctly in the split second before it clears the
    screen, then offers me a useless grub prompt. i deduce it crashes and
    winds up in the grub bootstrap again.

    (hd2) through (hd7) give:
    Error 21: Selected disk does not exist

    (hd8) and (hd9) give:
    Error 12: Invalid device requested

    btw while hda is installed i get the disk error in the boot sequence
    below (no such with only sda in there) tho hda boots into linux just
    fine. i do wish i could stop it from waiting for me to hit F1.

    262144 KB OK
    Initialized Processor 0 - Model 5
    Initialized Processor 1 - Model 5
    1790-Disk 0 Error
    SCSI Device Detected - System Board, SCSI ID 1: COMPAQ WDE4360W
    [hit F1 to boot] Professional Workstation 5100 

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