Hi Vaidhy,
The problem was fixed by compiling all the required components into the kernel, ie. not modules. Thank you very much for the answer.
Regards, Clement
Vaidhyanathan Mayilrangam Gopalan wrote:
I had similar problems switching to kernel 2.6. I had to install devfsd for me to be able to get the /dev mappings (and disable mount /dev automatically in the kernel)
Hope it helps, Vaidhy
On Fri, 2004-07-09 at 07:45, Clement wrote:
Hi Guys,
I tried many things and just cannot fix this, after upgrading to kernel-image-2.6.6-1-686, the Debian machine does not recognize /dev/md0 anymore.
Before, using kernel-image-2.4.25-1-386, the machine works well and will mount these automatically:
/dev/md0 to /boot /dev/md1 to /
After upgrading to 2.6.6, during the boot process, it reports 'invalid superblock' on /dev/md0. I can continue without mounting /dev/md0 to /boot. But /dev/md0 continues to disappear:
# cat /proc/mdstat Personalities : [raid1] md1 : active raid1 hda2[0] hdc2[1] 4883648 blocks [2/2] [UU]
The /dev/md0 is not corrupted yet. In kernel 2.6.6, I can still get it by
# mdadm -A /dev/md0 /dev/hda1 /dev/hdc1 mdadm: /dev/md0 has been started with 2 drives. # mount /dev/md0 /boot # cat /proc/mdstat Personalities : [raid1] md0 : active raid1 hda1[0] hdc1[1] 80192 blocks [2/2] [UU]
md1 : active raid1 hda2[0] hdc2[1] 4883648 blocks [2/2] [UU]
Or I can boot into 2.4.25 and everything is fine. Mounting /boot on boot is not a necessity. But losing /dev/md0 for no reason is a major concern with 2.6.6. Do you know the reason and/or a fix? Waiting to hear from you.
The machine is a testing machine w Intel Celeron 366, 96MB RAM and 2x160GB ATA drives attached to /dev/hda and /dev/hdc for a RAID 1 configuration. Sarge is installed fresh from the installation CD downloaded from debian.org. Additional modules installed are mdadm, hdparm.
Regards, Clement
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