7.3. systemd 리소스 문제 조사

절차

1. systemctl status 명령을 실행하여 리소스 상태 및 최근 로그 이벤트를 표시합니다.

   [heat-admin@controller-0 ~]$ sudo systemctl status tripleo_nova_conductor
   ● tripleo_nova_conductor.service - nova_conductor container
      Loaded: loaded (/etc/systemd/system/tripleo_nova_conductor.service; enabled; vendor preset: disabled)
      Active: active (running) since Mon 2021-04-12 10:54:46 UTC; 1h 38min ago
    Main PID: 5125 (conmon)
       Tasks: 2 (limit: 126564)
      Memory: 1.2M
      CGroup: /system.slice/tripleo_nova_conductor.service
              └─5125 /usr/bin/conmon --api-version 1 -c cc3c63b54e0864c94ac54a5789be96aea1dd60b2f3216b37c3e020c76e7887d4 -u cc3c63b54e0864c94ac54a5789be96aea1dd60b2f3216b37c3e020c76e7887d4 -r /usr/bin/runc -b /var/lib/containers/storage/overlay-containers/cc3c63b54e0864c94ac54a5789be96aea1dd60b2f3216b37c3e02>
   
   Apr 12 10:54:42 controller-0.redhat.local systemd[1]: Starting nova_conductor container...
   Apr 12 10:54:46 controller-0.redhat.local podman[2855]: nova_conductor
   Apr 12 10:54:46 controller-0.redhat.local systemd[1]: Started nova_conductor container.

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2. 리소스에 대한 로그 이벤트를 확인합니다.

   # sudo less /var/log/containers/tripleo_nova_conductor.log

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3. 출력 및 로그의 정보를 기반으로 실패한 리소스를 수정합니다.

4. 리소스를 재시작하고 서비스 상태를 확인합니다.

   # systemctl restart tripleo_nova_conductor
   # systemctl status tripleo_nova_conductor
   ● tripleo_nova_conductor.service - nova_conductor container
      Loaded: loaded (/etc/systemd/system/tripleo_nova_conductor.service; enabled; vendor preset: disabled)
      Active: active (running) since Thu 2021-04-22 14:28:35 UTC; 7s ago
     Process: 518937 ExecStopPost=/usr/bin/podman stop -t 10 nova_conductor (code=exited, status=0/SUCCESS)
     Process: 518653 ExecStop=/usr/bin/podman stop -t 10 nova_conductor (code=exited, status=0/SUCCESS)
     Process: 519063 ExecStart=/usr/bin/podman start nova_conductor (code=exited, status=0/SUCCESS)
    Main PID: 519198 (conmon)
       Tasks: 2 (limit: 126564)
      Memory: 1.1M
      CGroup: /system.slice/tripleo_nova_conductor.service
              └─519198 /usr/bin/conmon --api-version 1 -c 0d6583beb20508e6bacccd5fea169a2fe949471207cb7d4650fec5f3638c2ce6 -u 0d6583beb20508e6bacccd5fea169a2fe949471207cb7d4650fec5f3638c2ce6 -r /usr/bin/runc -b /var/lib/containe>
   
   Apr 22 14:28:34 controller-0.redhat.local systemd[1]: Starting nova_conductor container...
   Apr 22 14:28:35 controller-0.redhat.local podman[519063]: nova_conductor
   Apr 22 14:28:35 controller-0.redhat.local systemd[1]: Started nova_conductor container.

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