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クラスタã¨ã—ã¦ã¯ã‚¤ãƒ¬ã‚®ãƒ¥ãƒ©ãƒ¼ãªæ§‹æˆã§ã™ãŒã€Corosyncã‚’1ノードã§èµ·å‹•ã•ã›ã‚ˆã†ã¨ã—ã¦ã„ã¾ã™ã€‚
â– ãƒãƒ¼ã‚¸ãƒ§ãƒ³æƒ…å ±
pacemaker-1.1.13-10.el7_2.2.x86_64
corosync-2.3.4-7.el7_2.1.x86_64
â– corosync.conf
ãƒã‚°å‡ºåŠ›ã®è¨å®šã¯ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®ã¾ã¾ã§ã™ãŒç‰¹ã«æ„味ã¯ãªã„ã§ã™ã€‚
$ sudo cat /etc/corosync/corosync.conf
totem {
version: 2
secauth: off
cluster_name: tripleo_cluster
transport: udpu
}
nodelist {
node {
ring0_addr: node01
nodeid: 1
}
}
quorum {
provider: corosync_votequorum
expected_votes: 1
two_node: 1
}
logging {
to_logfile: yes
logfile: /var/log/cluster/corosync.log
to_syslog: yes
}
â– Pacemakerã®ã‚¯ã‚©ãƒ¼ãƒ©ãƒ è¨å®š
$ sudo pcs property show | grep no-quorum-policy
no-quorum-policy: ignore
■出力ã•ã‚Œã‚‹ãƒã‚°ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸
クォーラムをå–å¾—ã—ã¦ãƒªã‚½ãƒ¼ã‚¹ã‚’èµ·å‹•ã™ã‚‹ã“ã¨ã‚‚ã§ãã‚‹ã®ã§ã™ãŒã€ä¸‹è¨˜ã®ãƒã‚°ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãŒå»¶ã€…ã¨å‡ºåŠ›ã•ã‚Œç¶šã‘ã¾ã™ã€‚
$ sudo tail -f /var/log/cluster/corosync.log
[32023] node01.localdomain corosyncnotice [TOTEM ] A new membership (192.168.100.1:357892) was formed. Members
[32023] node01.localdomain corosyncnotice [QUORUM] Members[1]: 1
[32023] node01.localdomain corosyncnotice [MAIN ] Completed service synchronization, ready to provide service.
Nov 08 19:01:15 [32044] node01.localdomain crmd: info: pcmk_quorum_notification: Membership 357892: quorum retained (1)
Nov 08 19:01:15 [32038] node01.localdomain pacemakerd: info: pcmk_quorum_notification: Membership 357892: quorum retained (1)
CorosyncãŒã‚¯ãƒ©ã‚¹ã‚¿ã¨ã—ã¦å®Œçµ(?)ã§ãã¦ã„ãªã„ãŸã‚ã«ä¸Šè¨˜ã®ãƒã‚°ãŒå‡ºåŠ›ã•ã‚Œã‚‹ã‚ˆã†ã«ã¿ãˆã¾ã™ã€‚
Corosyncã‚’1ノードã®ã‚¯ãƒ©ã‚¹ã‚¿ã¨ã—ã¦èµ·å‹•ã™ã‚‹ãŸã‚ã«å¿…è¦ãªè¨å®šãŒã‚ã‚Œã°æ•™ãˆã¦ãã ã•ã„。
Pacemaker/Heartbeatã®æ§‹æˆã§ã¯ã€ã‚¯ã‚©ãƒ¼ãƒ©ãƒ ã‚’ã‚ã¾ã‚Šæ„è˜ã—ã¦ã„ãªã‹ã£ãŸã“ã¨ã‚‚ã‚ã‚Šã¾ã™ãŒ
特ã«å•é¡Œãªã1ノードã§ã‚‚èµ·å‹•ã§ãã¦ã„ãŸã‚ˆã†ãªæ°—ãŒã—ã¾ã™ã€‚
以上よã‚ã—ããŠé¡˜ã„ã„ãŸã—ã¾ã™ã€‚
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クラスタã¨ã—ã¦ã¯ã‚¤ãƒ¬ã‚®ãƒ¥ãƒ©ãƒ¼ãªæ§‹æˆã§ã™ãŒã€Corosyncã‚’1ノードã§èµ·å‹•ã•ã›ã‚ˆã†ã¨ã—ã¦ã„ã¾ã™ã€‚
â– ãƒãƒ¼ã‚¸ãƒ§ãƒ³æƒ…å ±
pacemaker-1.1.13-10.el7_2.2.x86_64
corosync-2.3.4-7.el7_2.1.x86_64
â– corosync.conf
ãƒã‚°å‡ºåŠ›ã®è¨å®šã¯ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®ã¾ã¾ã§ã™ãŒç‰¹ã«æ„味ã¯ãªã„ã§ã™ã€‚
$ sudo cat /etc/corosync/corosync.conf
totem {
version: 2
secauth: off
cluster_name: tripleo_cluster
transport: udpu
}
nodelist {
node {
ring0_addr: node01
nodeid: 1
}
}
quorum {
provider: corosync_votequorum
expected_votes: 1
two_node: 1
}
logging {
to_logfile: yes
logfile: /var/log/cluster/corosync.log
to_syslog: yes
}
â– Pacemakerã®ã‚¯ã‚©ãƒ¼ãƒ©ãƒ è¨å®š
$ sudo pcs property show | grep no-quorum-policy
no-quorum-policy: ignore
■出力ã•ã‚Œã‚‹ãƒã‚°ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸
クォーラムをå–å¾—ã—ã¦ãƒªã‚½ãƒ¼ã‚¹ã‚’èµ·å‹•ã™ã‚‹ã“ã¨ã‚‚ã§ãã‚‹ã®ã§ã™ãŒã€ä¸‹è¨˜ã®ãƒã‚°ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãŒå»¶ã€…ã¨å‡ºåŠ›ã•ã‚Œç¶šã‘ã¾ã™ã€‚
$ sudo tail -f /var/log/cluster/corosync.log
[32023] node01.localdomain corosyncnotice [TOTEM ] A new membership (192.168.100.1:357892) was formed. Members
[32023] node01.localdomain corosyncnotice [QUORUM] Members[1]: 1
[32023] node01.localdomain corosyncnotice [MAIN ] Completed service synchronization, ready to provide service.
Nov 08 19:01:15 [32044] node01.localdomain crmd: info: pcmk_quorum_notification: Membership 357892: quorum retained (1)
Nov 08 19:01:15 [32038] node01.localdomain pacemakerd: info: pcmk_quorum_notification: Membership 357892: quorum retained (1)
CorosyncãŒã‚¯ãƒ©ã‚¹ã‚¿ã¨ã—ã¦å®Œçµ(?)ã§ãã¦ã„ãªã„ãŸã‚ã«ä¸Šè¨˜ã®ãƒã‚°ãŒå‡ºåŠ›ã•ã‚Œã‚‹ã‚ˆã†ã«ã¿ãˆã¾ã™ã€‚
Corosyncã‚’1ノードã®ã‚¯ãƒ©ã‚¹ã‚¿ã¨ã—ã¦èµ·å‹•ã™ã‚‹ãŸã‚ã«å¿…è¦ãªè¨å®šãŒã‚ã‚Œã°æ•™ãˆã¦ãã ã•ã„。
Pacemaker/Heartbeatã®æ§‹æˆã§ã¯ã€ã‚¯ã‚©ãƒ¼ãƒ©ãƒ ã‚’ã‚ã¾ã‚Šæ„è˜ã—ã¦ã„ãªã‹ã£ãŸã“ã¨ã‚‚ã‚ã‚Šã¾ã™ãŒ
特ã«å•é¡Œãªã1ノードã§ã‚‚èµ·å‹•ã§ãã¦ã„ãŸã‚ˆã†ãªæ°—ãŒã—ã¾ã™ã€‚
以上よã‚ã—ããŠé¡˜ã„ã„ãŸã—ã¾ã™ã€‚
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