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Thread: Failed to connect to lvmetad

  1. #1
    Join Date
    Jul 2018
    Beans
    2

    Failed to connect to lvmetad

    Hello everyone,


    I hope you are well and that time will allow you to help me with the following error in ubuntu:


    I'm struggling for a few days to find a solution to my problem on a ubuntu 18.04
    I have tried all the suggestions on many forums, but unfortunately I have not found a simple solution to solve this problem.


    I have recently upgraded Ubuntu 16.04 to Ubuntu 18.04 with enabling full disk encryption and with LVM. After this upgrade, every time I'm starting the machine, I see some messages appearing on the boot screen.


    (for more details, please see the attached photo)


    I need yours precious help, I hope someone help me with a simple solution!


    Please let me know,
    Dan.
    Attached Images Attached Images

  2. #2
    Join Date
    Jun 2007
    Location
    Arizona U.S.A.
    Beans
    3,802

    Re: Failed to connect to lvmetad

    Only informative. I frequently see the same. lvmetad caches information about logical volumes on your system for the benefit of lvm commands. A command would otherwise have to scan your system every time you run an lvm command.

    It probably hasn't started yet, and a backup process of scanning for lvm devices is used instead until it does.

    After you log in, you can check if its running using htop and filter (F4) for 'lvm'. I see /sbin/lvmetad -f in Ubuntu 18.04.

    https://access.redhat.com/documentat...metadatadaemon
    Last edited by Dennis N; July 14th, 2018 at 01:49 PM.

  3. #3
    Join Date
    Jul 2018
    Beans
    2

    Re: Failed to connect to lvmetad

    Thanks for your suggestion.


    I specify that this error prevents me from getting the graphical interface...
    I can not acces ubuntu only with Ctrl + Alt * F1.

  4. #4
    Join Date
    Jun 2007
    Location
    Arizona U.S.A.
    Beans
    3,802

    Re: Failed to connect to lvmetad

    There is no error indicated in your image - it's just a warning. As it says, device scanning is being used instead. The device scan succeeded because it informs you that Ubuntu found your volume group, and that two logical volumes are now activated (and accessible). I get these identical lines and the computer always has continued to login screen and desktop. So I suspect your failure to reach the graphical login screen and desktop has another cause - not the lvmetad. Look for other reasons for not loading the login GUI.

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