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fencing history cleanup
pacemaker 상태를 확인해 보면 아래와 같이 fencing action log가 찍혀있는경우가 있다.
# pcs status
Cluster name: my_cluster
Stack: corosync
Current DC: rhel-8-0-1 (version 2.0.1-3.el8-0eb7991564) - partition with quorum
Last updated: Wed Feb 6 18:30:11 2019
Last change: Wed Feb 6 18:22:22 2019 by root via cibadmin on rhel-8-0-1
...
Failed Fencing Actions:
* reboot of rhel-8-0-2 failed: delegate=rhel-8-0-1, client=stonith_admin.1697, origin=rhel-8-0-2,
last-failed='Wed Feb 6 18:22:35 2019'
...
장애나 여타 원인으로 인해 펜싱동작이 수행된경우 위와 같은 로그가 찍혀있는데 장애로그와는 달리 cleanup해주지 않아도 클러스터 동작에는 아무런 영향이 없다.
그럼에도 불구하고 해당 내용을 없애고 싶은경우 아래와 같이 처리해줄수 있다.
- Red Hat Enterprise Linux 7 버전은 pcs 명령어로 초기화가 불가능하며 다른 방법을 사용하여야 한다. 참조: https://access.redhat.com/solutions/4378481
로그 조회
- RHEL7
# stonith_admin --verbose --history "*" stonith_admin at node1 wishes to reboot node node1 - 1 0 stonith_admin at node1 wishes to reboot node node2 - 1 0
- RHEL8
pcs stonith history [show [<node>]] 명령어로 로그 조회 할 수 있다.
[root@rhel-8-0-1 ~]# pcs stonith history rhel-8-0-1 was able to reboot node rhel-8-0-2 on behalf of stonith_admin.12657 from rhel-8-0-1 at Wed Feb 6 18:19:09 2019 We failed to reboot node rhel-8-0-1 on behalf of stonith_admin.2369 from rhel-8-0-2 at Wed Feb 6 18:59:53 2019 rhel-8-0-1 was able to reboot node rhel-8-0-2 on behalf of stonith_admin.6667 from rhel-8-0-2 at Wed Feb 6 18:20:11 2019 rhel-8-0-1 failed to reboot node rhel-8-0-2 on behalf of stonith_admin.1697 from rhel-8-0-2 at Wed Feb 6 18:22:35 2019 [root@rhel-8-0-1 ~]# pcs stonith history show rhel-8-0-2 rhel-8-0-1 was able to reboot node rhel-8-0-2 on behalf of stonith_admin.12657 from rhel-8-0-1 at Wed Feb 6 18:19:09 2019 rhel-8-0-1 was able to reboot node rhel-8-0-2 on behalf of stonith_admin.6667 from rhel-8-0-2 at Wed Feb 6 18:20:11 2019 rhel-8-0-1 failed to reboot node rhel-8-0-2 on behalf of stonith_admin.1697 from rhel-8-0-2 at Wed Feb 6 18:22:35 2019
로그 삭제
- RHEL7
# stonith_admin --cleanup --history "*" cleaning up fencing-history for node *
- RHEL8
pcs stonith history cleanup [<node>] 명령어로 로그 삭제 가능하다.
[root@rhel-8-0-1 ~]# pcs stonith history cleanup rhel-8-0-2 cleaning up fencing-history for node rhel-8-0-2 [root@rhel-8-0-1 ~]# pcs stonith history We failed to reboot node rhel-8-0-1 on behalf of stonith_admin.2369 from rhel-8-0-2 at Wed Feb 6 18:59:53 2019 [root@rhel-8-0-1 ~]# pcs stonith history cleanup cleaning up fencing-history for node * [root@rhel-8-0-1 ~]# pcs stonith history
참조링크
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