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Old 09-02-2003, 11:55 PM   #1
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RAID 1 in RH9

After setup RH9 with software RAID 1, there are:

/dev/md0 /boot
/dev/md1 /

/dev/md0 = /dev/hda1 and /dev/hdc1
/dev/md1 = /dev/hda5 and /dev/hdc5
(others are all swap)

When I shutdown the server and plug-out hdc cable, the system can start as predicted.
However, while plug-out hda, it cannot bootup with hdc only, but it is supposed to can.

In RAID1, the two harddisk should be identical, but why can't /dev/hdc works as /dev/hda ?
Is there anything wrong?
Old 09-05-2003, 12:08 AM   #2
Registered: Apr 2002
Location: Los Gatos, CA
Distribution: boring redhat 9
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Does the BIOS know to boot the third IDE device?

A lot of newer BIOS' will allow IDE1 IDE2 IDE3 IDE etc as bootable devices.
Old 09-05-2003, 12:48 AM   #3
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Yes, it does.
I have fixed it:



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