Ubuntu server upgraded to Edgy, problem with md RAID

I upgraded an old computer that is a lightweight Internet server and firewall/NAT box for the network behind it to Edgy Eft. The system is not running X-windows.

The md RAID-1 in the system is made up of two partitions, one on a SCSI drive, /dev/sda1, and one on an IDE drive, /dev/hda1.

On the reboot after the upgrade, and every reboot since, the RAID starts without the SCSI drive.

I can add it back just fine after the system is up with: mdadm /dev/md0 --add /dev/sda1

The other issue I am having, because it could be related, is that the second Ethernet NIC in the computer, an Intel EtherExpress Pro/100 in the computer usually does not cause it's interface, eth1, to exist until after I unload and reload the device driver. Occasionally it comes up just as it should though.

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uname -r
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2.6.17-10-386
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Message it e-mails me about the degraded RAID:
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From <email address hidden> Sun Jan 7 17:11:46 2007
X-Original-To: root
From: mdadm monitoring <email address hidden>
To: <email address hidden>
Subject: DegradedArray event on /dev/md0:hostname
Date: Sun, 7 Jan 2007 17:11:45 -0500 (EST)

This is an automatically generated mail message from mdadm
running on hostname

A DegradedArray event had been detected on md device /dev/md0.

Faithfully yours, etc.
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Kernel section from /boot/grub/menu.lst:
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title Ubuntu, kernel 2.6.17-10-386
root (hd1,0)
kernel /boot/vmlinuz-2.6.17-10-386 root=/dev/md0 ro splash
initrd /boot/initrd.img-2.6.17-10-386
savedefault
boot
---

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/boot/grub/device.map
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(hd0) /dev/hda
(hd1) /dev/sda
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/etc/fstab
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# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
/dev/md0 / reiserfs notail,noatime 0 1
# /dev/sda5 -- converted during upgrade to edgy
UUID=57b4f0d8-9b38-41b9-ac4f-595045c5a85b none swap sw 0 0
/dev/hdc /media/cdrom0 udf,iso9660 ro,user,noauto 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto 0 0
---

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After the SCSI drive is added back:
sudo mdadm --detail /dev/md0
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/dev/md0:
        Version : 00.90.03
  Creation Time : Sat Jun 25 16:32:10 2005
     Raid Level : raid1
     Array Size : 8787456 (8.38 GiB 9.00 GB)
    Device Size : 8787456 (8.38 GiB 9.00 GB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 0
    Persistence : Superblock is persistent

    Update Time : Sun Jan 7 19:18:50 2007
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

           UUID : ea95427b:c203a295:146ca717:76a30548
         Events : 0.12369600

    Number Major Minor RaidDevice State
       0 8 1 0 active sync /dev/sda1
       1 3 1 1 active sync /dev/hda1
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