ale*_*xus 5 redhat pacemaker rhel7
我正在使用红帽的高可用性附加组件,一切似乎都工作正常,但我有一个问题:
每当我重新启动其中一个节点时7test2
,资源组g1
就会迁移到7test1
(按照设计),然后当7test2
回来时,在线资源组g1
会迁移回来,就像它具有某种粘性或其他东西一样。
[root@7test1 ~]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.1 (Maipo)
[root@7test1 ~]# rpm -q pcs
pcs-0.9.137-13.el7.x86_64
[root@7test1 ~]# pcs status
Cluster name: 7test
Last updated: Thu Apr 23 17:11:10 2015
Last change: Thu Apr 23 17:00:02 2015
Stack: corosync
Current DC: 7test1.uftwf.local (1) - partition with quorum
Version: 1.1.12-a14efad
2 Nodes configured
3 Resources configured
Online: [ 7test1.uftwf.local 7test2.uftwf.local ]
Full list of resources:
rhevm (stonith:fence_rhevm): Started 7test1.uftwf.local
Resource Group: g1
IPaddr (ocf::heartbeat:IPaddr2): Started 7test2.uftwf.local
MailTo (ocf::heartbeat:MailTo): Started 7test2.uftwf.local
PCSD Status:
7test1.uftwf.local: Online
7test2.uftwf.local: Online
Daemon Status:
corosync: active/enabled
pacemaker: active/enabled
pcsd: active/enabled
[root@7test1 ~]#
Run Code Online (Sandbox Code Playgroud)
如何在起搏器中设置资源粘性?
小智 3
您可以使用以下命令设置 资源元选项 的值resource-stickiness
,该选项指示给定资源或组的资源倾向于保留在当前位置的程度(默认值为 0):
# pcs resource meta resource_id resource-stickiness=100
例如:
# pcs resource meta dns_ip resource-stickiness=100
# pcs resource show dns_ip
Resource: dns_ip (class=ocf provider=heartbeat type=IPaddr2)
Attributes: ip=10.0.0.1 cidr_netmask=24
Meta Attrs: resource-stickiness=100
Operations: start interval=0s timeout=20s (dns_ip-start-timeout-20s)
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