On Friday, 02 March 2012 10:52:37 +0100, tv.deb...@googlemail.com wrote: > > Currently I have a host with Debian GNU/Linux Lenny on which I've > > compiled a 2.6.32 kernel (using the Backports source code) to add > > support of Layer7 and IMQ. > > > > The package with the Backports kernel binary works well, but when I boot > > my compiled kernel, MD device on / is not found. The configuration file > > that I took as a reference is the provided by the installed Backports > > kernel binary, so I think it should include modules for MD, and then I > > could confirm this in the configuration file used to compile my kernel. > > > > Perhaps it is a problem in generating the initrd file? The process I > > used to compile and install the kernel is the Debian way, creating a > > package then installed with dpkg.
> Hi,
Hi!
> did you check if /etc/default/mdadm contains necessary options:
>
> INITRDSTART='all'
>
> AUTOSTART=true
Yes, /etc/default/mdadm contains these two options
> Is mdadm.conf up to date ?
> Can you tell us what kind of raid and metadata we are talking about.
This is the detail of the root device:
# mdadm --detail /dev/md2
/dev/md2:
Version : 00.90
Creation Time : Wed Sep 6 11:27:09 2006
Raid Level : raid1
Array Size : 19534976 (18.63 GiB 20.00 GB)
Used Dev Size : 19534976 (18.63 GiB 20.00 GB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 2
Persistence : Superblock is persistent
Update Time : Fri Mar 2 11:41:16 2012
State : clean, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0
UUID : da5a0c19:c38ccc6d:325196eb:eb163021
Events : 0.5276104
Number Major Minor RaidDevice State
0 0 0 0 removed
1 8 3 1 active sync /dev/sda3
The /etc/mdadm/mdadm.conf used metadata=00.90. I changed it to 0.90, if
this may cause some inconvenience (metadata format 00.90 unknown,
ignored). But I don't think the problem is this because
2.6.32-bpo.5-amd64 boots without problems and my compiled kernel is
based on config-2.6.32-bpo.5-amd64; I only patch the kernel with support
of IMQ and Layer7.
This is the output with default kernel options:
Gave up waiting for root device. Common problems:
- Boot args (cat /proc/cmdline)
- Check rootdelay= (did the system wait long enought?)
- Check root= (did the system wait for the right revice?)
- Missing modules (cat /proc/mdoules: Is /dev)
ALERT! /dev/md2 does not exist. Dropping to a shell!
And using rootdelay=120:
Success: loaded module raid1.
done
Begin: Assembling all MD arrays... mdadm: metadata format 00.90 unknown ignored.
mdadm: metada format 00.90 unknown, ignored
mdadm: metada format 00.90 unknown, ignored
mdadm: metada format 00.90 unknown, ignored
mdadm: metada format 00.90 unknown, ignored
mdadm: No devices listed in conf file were found
Failure: failed to assamble all arrays.
done.
Begin: Waiting for udev to process events ... done
done
Begin: waiting for root filesystem ... done
Gave up waiting for root device. Common problems:
- Boot args (cat /proc/cmdline)
- Check rootdelay= (did the system wait long enought?)
- Check root= (did the system wait for the right revice?)
- Missing modules (cat /proc/mdoules: Is /dev)
ALERT! /dev/md2 does not exist. Dropping to a shell!
Thanks for your reply.
Regards,
Daniel
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