Hallo,
ich habe vor 3 Tagen QEMU/KVM installiert, um die häufigen Probleme mit VIrtualBox bei Kernel-Updates in Zukunft zu vermeiden. Installiert habe ich mit
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zypper install -t pattern kvm_server kvm_toolsDabei wurde auch lvm2 mit installiert, den ich bislang eigentlich nicht brauchte, weil das gesamte System auf einer NVMe-SSD mit btrfs läuft.
Seit der Installation von lvm2 habe ich jetzt täglich beim Booten Fehlermeldungen in /var/log/messages:
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--------------------- LVM Begin ------------------------
**Unmatched Entries**
/dev/nvme0n1: Failed to get external handle [udev].: 2 Time(s)
/dev/nvme0n1p1: Failed to get external handle [udev].: 2 Time(s)
/dev/nvme0n1p2: Failed to get external handle [udev].: 2 Time(s)
/dev/sda1: Failed to get external handle [udev].: 2 Time(s)
/dev/sda2: Failed to get external handle [udev].: 2 Time(s)
/dev/sda3: Failed to get external handle [udev].: 2 Time(s)
/dev/sda4: Failed to get external handle [udev].: 2 Time(s)
/dev/sda: Failed to get external handle [udev].: 2 Time(s)
/dev/sdb1: Failed to get external handle [udev].: 2 Time(s)
/dev/sdb: Failed to get external handle [udev].: 2 Time(s)
Udev database has incomplete information about device /dev/nvme0n1.: 2 Time(s)
Udev database has incomplete information about device /dev/nvme0n1p1.: 2 Time(s)
Udev database has incomplete information about device /dev/nvme0n1p2.: 2 Time(s)
Udev database has incomplete information about device /dev/sda.: 2 Time(s)
Udev database has incomplete information about device /dev/sda1.: 2 Time(s)
Udev database has incomplete information about device /dev/sda2.: 2 Time(s)
Udev database has incomplete information about device /dev/sda3.: 2 Time(s)
Udev database has incomplete information about device /dev/sda4.: 2 Time(s)
Udev database has incomplete information about device /dev/sdb.: 2 Time(s)
Udev database has incomplete information about device /dev/sdb1.: 2 Time(s)
---------------------- LVM End ------------------------- sda ist eine SATA-SSD mit Windows10, sdb eine SATA-HD (ext4), auf der nur Daten archiviert sind.
Deinstallieren kann ich lvm2 nicht, da dann auch der größte Teil von QEMU/KVM mit entfernt würde. Wofür benötige ich lvm2 aber? Kann ich die lvm2-Dienste deaktivieren, ohne dass dies QEMU/KVM beeinträchtigt?
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~ # systemctl status lvm2-lvmpolld.socket ● lvm2-lvmpolld.socket - LVM2 poll daemon socket
Loaded: loaded (/usr/lib/systemd/system/lvm2-lvmpolld.socket; enabled; vendor preset: enabled)
Active: active (listening) since Thu 2021-07-15 06:36:06 CEST; 37min ago
Triggers: ● lvm2-lvmpolld.service
Docs: man:lvmpolld(8)
Listen: /run/lvm/lvmpolld.socket (Stream)
Tasks: 0 (limit: 4915)
CPU: 0
CGroup: /system.slice/lvm2-lvmpolld.socket
~ # systemctl status lvm2-monitor.service ● lvm2-monitor.service - Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling
Loaded: loaded (/usr/lib/systemd/system/lvm2-monitor.service; enabled; vendor preset: enabled)
Active: active (exited) since Thu 2021-07-15 06:36:06 CEST; 38min ago
Docs: man:dmeventd(8)
man:lvcreate(8)
man:lvchange(8)
man:vgchange(8)
Main PID: 684 (code=exited, status=0/SUCCESS)
Tasks: 0 (limit: 4915)
CPU: 0
CGroup: /system.slice/lvm2-monitor.service
Jul 15 06:36:06 frodo lvm[684]: /dev/sda2: Failed to get external handle [udev].
Jul 15 06:36:06 frodo lvm[684]: Udev database has incomplete information about device /dev/sda3.
Jul 15 06:36:06 frodo lvm[684]: /dev/sda3: Failed to get external handle [udev].
Jul 15 06:36:06 frodo lvm[684]: Udev database has incomplete information about device /dev/sda4.
Jul 15 06:36:06 frodo lvm[684]: /dev/sda4: Failed to get external handle [udev].
Jul 15 06:36:06 frodo lvm[684]: Udev database has incomplete information about device /dev/sdb.
Jul 15 06:36:06 frodo lvm[684]: /dev/sdb: Failed to get external handle [udev].
Jul 15 06:36:06 frodo lvm[684]: Udev database has incomplete information about device /dev/sdb1.
Jul 15 06:36:06 frodo lvm[684]: /dev/sdb1: Failed to get external handle [udev].
Jul 15 06:36:06 frodo systemd[1]: Finished Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling.
