Thanks a lot, Dh H. After downgrading mdadm to 3.1.1-1 I had the same
experience as you - "unable to find LVM volume <for root>", "...does not
exist", timeout and busybox in initramfs.
Your workaround works for me as well (please find below my system and
grub config info which I could gather now that I have a running system).
Some more observations:
* After having unlocked md1 as my encrypted pv for the lvms including /,
and exiting the lvm> and initramfs> prompts, indeed the system came up
but I was asked *again* for the passphrase for md1 which alread had been
unlocked via the lvm prompt and vgchange -a y <vgname>.
* Later a message scrolled by telling me
"found duplicate PV <uuid here> using /dev/dm-11 not /dev/dm-0"
This uuid is assigned both to
/dev/mapper/md1_crypt: UUID="foo" TYPE="LVM2_member"
/dev/mapper/vg-md1dm0: UUID="foo" TYPE="LVM2_member"
So, perhaps the question for unlocking comes too late (hen and egg...).
I did not do update-grub again so far as I'm sort of satisfied with my
custom grub setup now and don't want to make booting more complicated again.
Hope this helps a bit.
--AvH
-- Package-specific info:
*********************** BEGIN /proc/mounts
/dev/mapper/vg--md1dm0-slash / ext4
rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0
/dev/md0 /boot ext3 rw,relatime,errors=continue,data=ordered 0 0
/dev/mapper/vg--md2dm1-bk1 /home/bk1 ext4
rw,relatime,barrier=1,data=ordered 0 0
/dev/mapper/vg--md2dm1-bk2 /home/bk2 xfs rw,relatime,attr2,noquota 0 0
/dev/mapper/vg--md1dm0-srv /srv ext4 rw,relatime,barrier=1,data=ordered 0 0
/dev/mapper/vg--md1dm0-svmware /srv/vmware ext4
rw,relatime,barrier=1,data=ordered 0 0
/dev/mapper/vg--md1dm0-tmp /tmp ext4 rw,relatime,barrier=1,data=ordered 0 0
/dev/mapper/vg--md1dm0-usr /usr ext4 rw,relatime,barrier=1,data=ordered 0 0
/dev/mapper/vg--md1dm0-var /var ext4 rw,relatime,barrier=1,data=ordered 0 0
/dev/mapper/vg--md1dm0-vcache /var/cache ext4
rw,relatime,barrier=1,data=ordered 0 0
/dev/mapper/vg--md1dm0-vlog /var/log ext4
rw,relatime,barrier=1,data=ordered 0 0
/dev/mapper/vg--md1dm0-vtmp /var/tmp ext4
rw,relatime,barrier=1,data=ordered 0 0
*********************** END /proc/mounts
*********************** BEGIN /boot/grub/device.map
(hd0) /dev/disk/by-id/ata-WDC_WD2500BUDT-63DPZY0_WD-WX71A4048816
(hd1) /dev/disk/by-id/ata-WDC_WD2500BUDT-63DPZY0_WD-WXA1A4062972
*********************** END /boot/grub/device.map
*********************** BEGIN /boot/grub/grub.cfg
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
load_env
fi
set default="0"
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}
function load_video {
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
}
insmod raid
insmod mdraid
insmod part_msdos
insmod part_msdos
insmod ext2
set root='(md/0)'
search --no-floppy --fs-uuid --set 64ec582b-89ef-4007-b745-eeb893ff1709
if loadfont /grub/unicode.pf2 ; then
set gfxmode=640x480
load_video
insmod gfxterm
fi
terminal_output gfxterm
insmod raid
insmod mdraid
insmod part_msdos
insmod part_msdos
insmod ext2
set root='(md/0)'
search --no-floppy --fs-uuid --set 64ec582b-89ef-4007-b745-eeb893ff1709
set locale_dir=($root)/grub/locale
set lang=
insmod gettext
set timeout=5
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
insmod raid
insmod mdraid
insmod part_msdos
insmod part_msdos
insmod ext2
set root='(md/0)'
search --no-floppy --fs-uuid --set 64ec582b-89ef-4007-b745-eeb893ff1709
insmod png
if background_image /grub/moreblue-orbit-grub.png ; then
set color_normal=black/black
set color_highlight=magenta/black
else
set menu_color_normal=cyan/blue
set menu_color_highlight=white/blue
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-amd64' --class debian
--class gnu-linux --class gnu --class os {
insmod raid
insmod mdraid
insmod part_msdos
insmod part_msdos
insmod ext2
set root='(md/0)'
search --no-floppy --fs-uuid --set
64ec582b-89ef-4007-b745-eeb893ff1709
echo 'Loading Linux 2.6.32-5-amd64 ...'
linux /vmlinuz-2.6.32-5-amd64
root=/dev/mapper/vg--md1dm0-slash ro quiet
echo 'Loading initial ramdisk ...'
initrd /initrd.img-2.6.32-5-amd64
}
menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-amd64 (recovery mode)'
--class debian --class gnu-linux --class gnu --class os {
insmod raid
insmod mdraid
insmod part_msdos
insmod part_msdos
insmod ext2
set root='(md/0)'
search --no-floppy --fs-uuid --set
64ec582b-89ef-4007-b745-eeb893ff1709
echo 'Loading Linux 2.6.32-5-amd64 ...'
linux /vmlinuz-2.6.32-5-amd64
root=/dev/mapper/vg--md1dm0-slash ro single
echo 'Loading initial ramdisk ...'
initrd /initrd.img-2.6.32-5-amd64
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply
type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
*********************** END /boot/grub/grub.cfg
-- System Information:
Debian Release: squeeze/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=de_AT.UTF-8, LC_CTYPE=de_AT.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages grub-pc depends on:
ii debconf [debconf-2.0] 1.5.35 Debian configuration
management sy
ii grub-common 1.98+20100804-2 GRand Unified Bootloader,
version
ii libc6 2.11.2-2 Embedded GNU C Library:
Shared lib
ii libdevmapper1.02.1 2:1.02.48-3 The Linux Kernel Device
Mapper use
ii ucf 3.0025 Update Configuration File:
preserv
grub-pc recommends no packages.
Versions of packages grub-pc suggests:
ii desktop-base 5.0.6 common files for the Debian
Deskto
-- debconf information:
grub-pc/kopt_extracted: false
grub2/kfreebsd_cmdline:
grub2/device_map_regenerated:
* grub-pc/install_devices:
/dev/disk/by-id/ata-WDC_WD2500BUDT-63DPZY0_WD-WX71A4048816,
/dev/disk/by-id/ata-WDC_WD2500BUDT-63DPZY0_WD-WXA1A4062972,
/dev/disk/by-id/md-name-kiefer:0
grub-pc/postrm_purge_boot_grub: false
grub-pc/install_devices_failed_upgrade: true
grub-pc/disk_description:
* grub2/linux_cmdline:
grub-pc/install_devices_empty: false
grub2/kfreebsd_cmdline_default: quiet
grub-pc/partition_description:
* grub-pc/install_devices_failed: true
grub-pc/install_devices_disks_changed:
grub2/linux_cmdline_default: quiet
grub-pc/chainload_from_menu.lst: true
grub-pc/mixed_legacy_and_grub2: true [perhaps due to grub-legacy
configs lying around after yesterday's vain attempt at salvation]
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