[linux-lvm] SOLVED [was: lvmdbusd failure(s) at ubuntu]

Oliver Rath rath at mglug.de
Wed Dec 13 12:52:24 UTC 2017

Hi list,

Ive found the reason for failing lvmdbusd: The install-script installs
the python-module-dir "lvmdbusd" into /usr/lib/python3.6/site-packages.
Unfortunatly this path is not in the standard-python(3)-modulepath included:

--------------- snip -------------------------

ver at w541:~/gits/lvm2$ python3 -m site
sys.path = [
USER_BASE: '/home/oliver/.local' (exists)
USER_SITE: '/home/oliver/.local/lib/python3.6/site-packages' (doesn't exist)

--------------- snap -------------------------

It seems the "site-packages" dir is in Ubuntu a local one in the current
home dir. Putting the moduledir "lvmdbusd" into
/usr/lib/python3.6/dist-packages works fine. For me it is sufficient to
change the installation-path to this dir.

I don't know, how the paths are organized in other distros like fedora
or redhat, but maybe you find a way installing the lvm2-python3-parts
for lvmdbusd in a way which works also out of the box for ubuntu, too.



On 11.12.2017 02:53, Oliver Rath wrote:
> Hi list,
> Im playing around with the dbus-daemon, which shows me some strange
> behaviours:
>   * lvmdbusd doesnt run with the message
>     # lvmdbusd
>     Traceback (most recent call last):
>       File "/sbin/lvmdbusd", line 13, in <module>
>         from lvmdbusd import main
>     ModuleNotFoundError: No module named 'lvmdbusd'
>     *but* the module seems to be installed:
>     # find /usr/lib/ -iname "lvmdbusd"
>     /usr/lib/python3.6/site-packages/lvmdbusd
>     /usr/lib/python3.5/site-packages/lvmdbusd
>     Btw, lvmdbusd seems not to be installed for python2
>   * lvmdbusd is a python-script, but the installer says "python is
>     deprecated, use dbus instead". Can I use the dbus-interface (Im
>     working on some examples in Rust for this) without the lvmdbusd?
> Is lvm via dbus possibly out of date and not longer useable?
> My system is ubuntu 17.10 with lvm2-git installed:
> # lvdisplay --version
>   LVM version:     2.02.177(2)-git (2017-11-03)
>   Library version: 1.02.146-git (2017-11-03)
>   Driver version:  4.37.0
>   Configuration:   ./configure --enable-lvmetad --enable-lvmpolld
> --enable-dmfilemapd --enable-cmdlib --enable-applib
> --enable-dbus-service --enable-notify-dbus --enable-python2_bindings
> TfH
> Oliver
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

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