Canek Peláez Valdés <[email protected]> wrote:
> On Thu, May 15, 2014 at 4:39 AM, <[email protected]> wrote:
> > Canek Peláez Valdés <[email protected]> wrote:
> >
> >> On Wed, May 14, 2014 at 5:26 PM, <[email protected]> wrote:
> >> [snip]
> >> >
> >> > Well, the workaround sort of worked -- it went through the initrd -- I
> >> > had debug in the kernel command line, but it did not stop for nothing!
> >> > When it went to the real root, however it did not activate any of the
> >> > lvm volumes I had except for what I specified in the kernel command
> >> > line, causing things not to work well. Also, I noticed that if insisted
> >> > on using the predictable network names, even though I have
> >> > /etc/udev/rules.d/70-persistent-net.rules and
> >> > /etc/udev/rules.d/80-name-slot.rules which work fine in openrc to give
> >> > me back my eth* names. So all in all, it was a mess and took me to an
> >> > emergency shell and that was the end of that. I did eventually activate
> >> > some volumes by lvchange -aay, but obviously that would not work well.
> >>
> >> OK, I was a little mystified about why dracut-036 worked on my system
> >> and 037 didn't. Before I tried any workaround, I wanted to know what
> >> changed from the previous version to the current one.
> >>
> >> So I generated an initramfs with dracut-036-r4 and another one with
> >> dracut-037-r1, and I tried to see what changed from one to the other.
> >> The answer is surprisingly easy: in /etc/cmdline.d/, the following
> >> files where in the 036-r4 version, but not in the 037-r4:
> >>
> >> 90crypt.conf
> >> 90lvm.conf
> >> 90mdraid.conf
> >> base.conf
> >>
> >> Te contents of those files are (90crypt.conf is empty):
> >>
> >> 90lvm.conf
> >> rd.lvm.lv=vg/vol1
> >> rd.lvm.lv=vg/vol4
> >> rd.lvm.lv=vg/vol3
> >>
> >> 90mdraid.conf
> >> rd.md.uuid=f4a59e68:fbe4039f:a39fc86d:e9e91e12
> >>
> >> base.conf
> >> ro
> >>
> >> So I just changed my /etc/default/grub file:
> >>
> >> GRUB_CMDLINE_LINUX="init=/usr/lib/systemd/systemd quiet nosplash
> >> rd.lvm.lv=vg/vol1 rd.lvm.lv=vg/vol4 rd.lvm.lv=vg/vol3
> >> rd.md.uuid=f4a59e68:fbe4039f:a39fc86d:e9e91e12"
> >>
> >> I regenerated my GRUB2 config, and now again my LVM test system works
> >> perfectly with the latest dracut version.
> >>
> >> The thing is, I *ALWAYS* use the -H (host only) option, so it was my
> >> understanding that the command line should be automatically generated,
> >> and it was on 036, but now it doesn't in 037. I think that's a bug.
> >>
> >> John, with respect to your case: did you used "dracut --print-cmdline"
> >> to get the command line? Also, have you tried to use -H to generate
> >> your initramfs?
> >
> > I did not try the -H, I may test with that later.
> >
> >
> > I did look at the --print-cmdline and copied the volumes they mentioned,
> > but I have other lvm volumes in my fstab and none of them were activated,
> > only the ones I specified in the command line! This is where I have run
> > into problems. I have quite a few lvms, I want them all activated!
>
> I just have /, /boot, /usr and /home (encrypted) as lvms, but all are
> activated.
>
> > Also, since I wrote the last message, I have been looking at the
> > journalctl output and discovered a couple of things which I would like
> > some help on, but getting the lvms to work is more important.
> >
> > First, whatever happened to DefaultControllers -- I want to disable
> > those cpu hierarchies, but that option seems to have disappeared without
> > a trace, although you can google and see it in some documentation.
>
> That went away with the new cgroup handling that is being coordinated
> between systemd and the kernel:
>
> http://cgit.freedesktop.org/systemd/systemd/commit/?id=7ac807320a7416463d7ff3ef6ede574863a601c5
>
> > The keyword also was not accepted in an install section I have, what is
> > the matter with that? I want to use my sysklogd for my syslog, how can
> > I use that with systemd?
>
> I think you can do that with systemd.log_target=kmsg in the kernel command
> line.
>
> > Thanks so much for all your help on these things.
>
> John, could you please include here the output of lsblk, your fstab,
> your dracut.conf, and your lilo.conf?
output of lsblk:
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 931.5G 0 disk
├─sda1 8:1 0 3G 0 part /boot
├─sda2 8:2 0 1000M 0 part /mnt/oldgentoo
└─sda3 8:3 0 927.6G 0 part
├─linux--files-64--root 253:0 0 3G 0 lvm /
├─linux--files-swap 253:1 0 2G 0 lvm [SWAP]
├─linux--files-64--usr 253:2 0 65G 0 lvm /usr
├─linux--files-usr--src 253:3 0 35G 0 lvm /usr/src
├─linux--files-tmp 253:4 0 10G 0 lvm /tmp
├─linux--files-64--var 253:5 0 20G 0 lvm /var
├─linux--files-home 253:6 0 30G 0 lvm /home
├─linux--files-audio 253:7 0 990G 0 lvm /audio
├─linux--files-usr--bbs 253:8 0 256M 0 lvm /usr/bbs
├─linux--files-hard2 253:9 0 704M 0 lvm /hard2
├─linux--files-scratch 253:10 0 1G 0 lvm /mnt/scratch
├─linux--files-var 253:11 0 8G 0 lvm /mnt/oldgentoo/var
└─linux--files-usr 253:12 0 25G 0 lvm /mnt/oldgentoo/usr
sdb 8:16 0 931.5G 0 disk
└─sdb1 8:17 0 931.5G 0 part
├─linux--files-64--root 253:0 0 3G 0 lvm /
├─linux--files-64--usr 253:2 0 65G 0 lvm /usr
├─linux--files-usr--src 253:3 0 35G 0 lvm /usr/src
├─linux--files-64--var 253:5 0 20G 0 lvm /var
├─linux--files-audio 253:7 0 990G 0 lvm /audio
└─linux--files-portage 253:13 0 25G 0 lvm /var/tmp/portage
sdc 8:32 0 2.7T 0 disk
└─sdc1 8:33 0 2.7T 0 part
└─backup--files-ccs--backups 253:14 0 2.7T 0 lvm
sr0 11:0 1 1024M 0 rom
my fstab:
# /etc/fstab: static file system information.
#
# noatime turns off atimes for increased performance (atimes normally aren't
# needed; notail increases performance of ReiserFS (at the expense of storage
# efficiency). It's safe to drop the noatime options if you want and to
# switch between notail / tail freely.
#
# The root filesystem should have a pass number of either 0 or 1.
# All other filesystems should have a pass number of 0 or greater than 1.
#
# See the manpage fstab(5) for more information.
#
# <fs> <mountpoint> <type> <opts>
<dump/pass>
# NOTE: If your BOOT partition is ReiserFS, add the notail option to opts.
#/dev/BOOT /boot ext2 noauto,noatime 1 2
/dev/mapper/linux--files-64--root / ext4
defaults 0 1
/dev/sda1 /boot ext4 defaults 0 1
/dev/mapper/linux--files-swap none swap sw
0 0
#/dev/fd0 /mnt/floppy auto noauto 0 0
# NOTE: The next line is critical for boot!
proc /proc proc defaults 0 0
# glibc 2.2 and above expects tmpfs to be mounted at /dev/shm for
# POSIX shared memory (shm_open, shm_unlink).
# (tmpfs is a dynamically expandable/shrinkable ramdisk, and will
# use almost no memory if not populated with files)
shm /dev/shm tmpfs nodev,nosuid,noexec
0 0
/dev/mapper/linux--files-64--usr /usr ext4 defaults 0 2
/dev/mapper/linux--files-usr--src /usr/src ext4 defaults 0 2
/dev/mapper/linux--files-tmp /tmp ext4 defaults,nodev,nosuid,noexec 0 2
/dev/mapper/linux--files-64--var /var ext4 defaults 0 3
/dev/mapper/linux--files-portage /var/tmp/portage ext4 defaults 0 3
/dev/mapper/linux--files-home /home ext4 defaults 0 3
/dev/mapper/linux--files-audio /audio ext4 defaults 0 3
/dev/mapper/linux--files-usr--bbs /usr/bbs ext4 defaults 0 3
/dev/mapper/linux--files-hard2 /hard2 ext4 defaults 0 3
/dev/cdrom /mnt/cdrom auto noauto,user 0 0
/dev/mapper/linux--files-scratch /mnt/scratch ext4 defaults 0 3
/dev/sda2 /mnt/oldgentoo ext4 defaults 0 3
/dev/mapper/linux--files-usr /mnt/oldgentoo/usr ext3 defaults 0 3
/dev/mapper/linux--files-var /mnt/oldgentoo/var ext4 defaults 0 3
the dracut.conf:
# PUT YOUR CONFIG HERE OR IN separate files named *.conf
# in /etc/dracut.conf.d
# SEE man dracut.conf(5)
# Sample dracut config file
#logfile=/var/log/dracut.log
#fileloglvl=6
# Exact list of dracut modules to use. Modules not listed here are not going
# to be included. If you only want to add some optional modules use
# add_dracutmodules option instead.
#dracutmodules+=""
# dracut modules to omit
#omit_dracutmodules+=""
# dracut modules to add to the default
#add_dracutmodules+=""
# additional kernel modules to the default
#add_drivers+=""
# list of kernel filesystem modules to be included in the generic initramfs
#filesystems+=""
# build initrd only to boot current hardware
#hostonly="yes"
#
# install local /etc/mdadm.conf
#mdadmconf="no"
# install local /etc/lvm/lvm.conf
#lvmconf="no"
# A list of fsck tools to install. If it's not specified, module's hardcoded
# default is used, currently: "umount mount /sbin/fsck* xfs_db xfs_check
# xfs_repair e2fsck jfs_fsck reiserfsck btrfsck". The installation is
# opportunistic, so non-existing tools are just ignored.
#fscks=""
# inhibit installation of any fsck tools
#nofscks="yes"
# mount / and /usr read-only by default
#ro_mnt="no"
# set the directory for temporary files
# default: /var/tmp
#tmpdir=/tmp
use_fstab=yes
add_dracutmodules+="lvm"
install_items+="/etc/udev/rules.d/70-persistent-net.rules
/etc/udev/rules.d/80-net-name-slot.rules"
the section of the lilo.conf:
image=/boot/vmlinuz-3.6.2-gentoo
label=3.6.2-systemd
read-only
append=" ramdisk=8192 root=/dev/mapper/linux--files-64--root
video=uvesafb:1280x1024 speakup.synth=spkout vmalloc=256M rootfstype=ext4
init=/usr/lib/systemd/systemd rd.shell=1 systemd.log_level=debug debug
rd.lvm.lv=linux-files/64-root rd.lvm.lv=linux-files/64-usr"
initrd=/boot/initramfs-3.6.2-gentoo.img
--
Your life is like a penny. You're going to lose it. The question is:
How do
you spend it?
John Covici
[email protected]
