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On gio, 2008-02-28 at 12:54 -0500, Don Jerman wrote: |
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> I've had problems with disk presentation order changing (fairly |
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> randomly) when USB disks are attached during boot. Apparently there's |
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> a race between the SCSI controller and the USB controller(s). If you |
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> attach the USB disk later the SCSI stuff has all been discovered so of |
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> course it gets allocated later in the list, but if it's attached while |
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> booting the USB disk might come first or in the middle somewhere. |
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> |
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> This might lead to grub looking for its files in the wrong place, |
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> which might explain the hang. |
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This is exactly what happens here. |
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> |
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> If you want to test this theory, boot from a CD while the USB is |
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> installed and see where it winds up in /dev, then boot without it. Be |
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> very careful about assuming drive identities! That's how I lost my |
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> system disk last time -- /dev/sdb seemed to be partitioned funny and I |
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> figured it out just a little too late. |
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> |
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I booted in a livecd and opened a grub command line. It reads my usb |
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disk as (hd0,0). |
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By the way I don't like this behavior and I need a solution to fix it. |
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It is a laptop and I don't want to umount and unplug my usb disk every |
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time I need to hibernate my system. |
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