CENTOS with LVM layout

Antanas Masevicius antanas.masevicius at gmail.com
Fri Nov 7 15:07:42 CET 2014

looks like dracut executed from CENTOS/30-mkinitrd does not include lvm;
excerpt from shell.log:

insl: appending to /target/etc/fstab: proc     /proc   proc    defaults
   0 0
ainsl: appending to /target/etc/fstab: sysfs    /sys    sysfs   auto
     0 0
ainsl: create /target/etc/dracut.conf.d/fai.conf
ainsl: appending to /target/etc/dracut.conf.d/fai.conf: filesystems+="ext4"
No '/dev/log' or 'logger' included for syslog logging
Executing: /usr/sbin/dracut -v --kver 3.10.0-123.9.3.el7.x86_64 --force
*** Including module: bash ***
*** Including module: i18n ***

and no lvm.

I am not sure how this dracut determines what modules to include, but

did not help

I also noticed that building CENTOS6 basefile i get noticed about missing

./mk-basefile -J CENTOS6_64
[42:112] Copy from cache: libcurl-7.19.7-37.el6_5.3.x86_64.rpm ..

 [Harmless] Failed to find download link for libdevmapper

Extracting: nss-3.16.1-14.el6.x86_64.rpm

i don't notice the same error with ./mk-basefile -J CENTOS7_64, but in
shell.log i see that dm module is also missing.
As i understand, installing lvm depends on this dm module:

# /srv/fai/nfsroot/usr/lib/dracut/modules.d/90lvm/module-setup.sh
depends() {
    # We depend on dm_mod being loaded
    echo rootfs-block dm
    return 0

any thoughts how to proceed further?

best regards,

Antanas Masevicius

On Fri, Nov 7, 2014 at 3:15 PM, Thomas Lange <lange at informatik.uni-koeln.de>

> >>>>> On Fri, 7 Nov 2014 14:53:36 +0200, Antanas Masevicius <
> antanas.masevicius at gmail.com> said:
>     > it looks like there is no lvm module in that initramfs file.
> That not good.
>     > shell.log:  /run/lvm/lvmetad.socket: connect failed: No such file or
> directory
>     > shell.log:  WARNING: Failed to connect to lvmetad: No such file or
> directory. Falling back to internal scanning.
> You should read the whole shell.log
> --
> regards Thomas
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