On Wed, Jun 13, 2012 at 4:47 AM, Steve Dowe <s...@warpuniversal.co.uk> wrote: > > I'm trying to re-use an older server, installing squeeze (6.0.5). I'm using > software RAID and LVM on the machine (details below). But I must be doing > something wrong with the disk set up stage in the installer, as when it > boots I see an error flash up quickly: > > error: superfluous RAID member (5 found) > > It appears that the initramfs then gets loaded, the RAID detection fails and > it then looks for the LVM volume group, which it can't find (as the LVM > group exists on the RAID device). I see this output: > > Loading, please wait... > mdadm: No devices listed in conf file were found. > Volume group "vgbiff" not found > Skipping volume group vgbiff > Unable to find LVM volume vgbiff/lvroot > <same messages appear but for lvswap> > Gave up waiting for root device <snip> > ... > > It then drops me into the BusyBox shell, with initramfs prompt. > > I can then activate the RAID simply by doing > > (initramfs) mdadm --assemble --scan > mdadm: /dev/md/0 has been started with 5 drives and 1 spare. > > and then activate the volume group, using: > > (initramfs) vgchange -a y > 2 logical volume(s) in volume group "vgbiff" now active > > Exiting the busybox shell then boots the system. > > The basic configuration is: > - Xeon (64-bit capable) w/4GB RAM > - PCI SCSI controller > - 6 x 73GB SCSI drives > > During install, on each drive I created a 500MB primary partition (with > /dev/sda1 being for /boot) and then a second partition for Linux s/w RAID > (label set to fd). > > In /dev/md0 I then created a LVM partition, and set up the volume group to > contain two volumes - one for swap, and one for /. /dev/md0 is comprised of > 5 drives running in RAID5, with one hot spare. > > During installation, I took pains to wipe all the drives and create all > partitions anew. > > When booted, I checked /etc/default/mdadm. The values INITRDSTART='all' and > AUTOSTART=true are both set. I also set VERBOSE=true to give me more output > when creating a new initramfs. I checked the contents of > /etc/mdadm/mdadm.conf - which seems fine. > > I then issued "update-initramfs -vu", and saw the following: > > I: mdadm: using configuration file: /etc/mdadm/mdadm.conf > I: mdadm: will start all available MD arrays from the initial ramdisk. > I: mdadm: use `dpkg-reconfigure --priority=low mdadm` to change this. > > and the last output before cpio builds the initial ramdisk is > > Calling hook dmsetup > > - so, in my limited knowledge, this suggests the drive mapper is > incorporated into the initramfs also. > > When I take a peek into /boot/grub/grub.cfg I see: > > insmod raid > insmod raid5rec > insmod mdraid > insmod lvm > > in the 00_header section. > > > I'm running low on ideas now. Re-installing grub doesn't help. Running > "update-grub" simply dumps out many more of those error messages: > > error: superfluous RAID member (5 found). > <repeats 17 times> > > So it does point to grub being at fault somewhere, rather than the initrd.
Maybe this bug: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=610184 (What mdraid metadata version are you using?) -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/CAOdo=Sx=gbw25x8__n6q5fob07fy-p6_5r6onbv8tgwdszv...@mail.gmail.com
