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Monitoring pacemaker
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How do you monitor if pacemaker is still working? If all nodes are online and not in a state of standby or even offline/down?
Monitoring the services isn't the problem, this can be done directly. But im still not sure if I should monitor the status of the crm and if so, how to do it.
monitoring crm pacemaker
asked May 7 '12 at 6:40
ComradinComradin
306311
bumped to the homepage by Community♦ 11 hours ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
How do you monitor if pacemaker is still working? If all nodes are online and not in a state of standby or even offline/down?
Monitoring the services isn't the problem, this can be done directly. But im still not sure if I should monitor the status of the crm and if so, how to do it.
monitoring crm pacemaker
asked May 7 '12 at 6:40
ComradinComradin
306311
bumped to the homepage by Community♦ 11 hours ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
There's some curses-based management command. I'd check to see what options are available on that command, if it'll just return with an exit code, etc., or at least parseable text. I assume you want to see nodes that are online/idle/whatever.
– cjc
May 7 '12 at 10:22
exchange.nagios.org/directory/Plugins/… or write a Nagios plugin to parsecrm_mon -1results.
– quanta
Jun 30 '12 at 5:12
add a comment |
How do you monitor if pacemaker is still working? If all nodes are online and not in a state of standby or even offline/down?
Monitoring the services isn't the problem, this can be done directly. But im still not sure if I should monitor the status of the crm and if so, how to do it.
monitoring crm pacemaker
asked May 7 '12 at 6:40
ComradinComradin
306311
How do you monitor if pacemaker is still working? If all nodes are online and not in a state of standby or even offline/down?
Monitoring the services isn't the problem, this can be done directly. But im still not sure if I should monitor the status of the crm and if so, how to do it.
monitoring crm pacemaker
monitoring crm pacemaker
asked May 7 '12 at 6:40
ComradinComradin
306311
asked May 7 '12 at 6:40
ComradinComradin
306311
asked May 7 '12 at 6:40
ComradinComradin
306311
asked May 7 '12 at 6:40
ComradinComradin
306311
asked May 7 '12 at 6:40
ComradinComradin
306311
306311
bumped to the homepage by Community♦ 11 hours ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 11 hours ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
There's some curses-based management command. I'd check to see what options are available on that command, if it'll just return with an exit code, etc., or at least parseable text. I assume you want to see nodes that are online/idle/whatever.
– cjc
May 7 '12 at 10:22
exchange.nagios.org/directory/Plugins/… or write a Nagios plugin to parsecrm_mon -1results.
– quanta
Jun 30 '12 at 5:12
add a comment |
There's some curses-based management command. I'd check to see what options are available on that command, if it'll just return with an exit code, etc., or at least parseable text. I assume you want to see nodes that are online/idle/whatever.
– cjc
May 7 '12 at 10:22
exchange.nagios.org/directory/Plugins/… or write a Nagios plugin to parsecrm_mon -1results.
– quanta
Jun 30 '12 at 5:12
There's some curses-based management command. I'd check to see what options are available on that command, if it'll just return with an exit code, etc., or at least parseable text. I assume you want to see nodes that are online/idle/whatever.
– cjc
May 7 '12 at 10:22
There's some curses-based management command. I'd check to see what options are available on that command, if it'll just return with an exit code, etc., or at least parseable text. I assume you want to see nodes that are online/idle/whatever.
– cjc
May 7 '12 at 10:22
exchange.nagios.org/directory/Plugins/… or write a Nagios plugin to parse
crm_mon -1 results.– quanta
Jun 30 '12 at 5:12
exchange.nagios.org/directory/Plugins/… or write a Nagios plugin to parse
crm_mon -1 results.– quanta
Jun 30 '12 at 5:12
add a comment |
1 Answer
1
active
oldest
votes
By default, if the crm has a hissy-fit you'll know about it because the machine reboots. We run a Nagios check at work that does all sorts of checks for Pacemaker config in general (Make sure is-managed-default isn't false, that no resources have a non-zero failcount, all that kind of thing) -- I don't know where we got it from, but presumably it's floating around the 'tubes somewhere.
answered May 7 '12 at 10:15
womble♦womble
85.2k18141203
Our service provider runs mysql master-master nodes, with basic Heartbeat failover. We're on the mail list for Heartbeat messages, but we've also set up a Nagios check that looks at the MAC for the HA IP and the MAC for the standby master's IP. If they match, then we've missed an email and the IP floated to the the standby.
– cjc
May 7 '12 at 10:24
To be blunt, if you care which machine on a cluster a service is running, ur doin it rong.
– womble♦
May 7 '12 at 10:39
We were running long-running queries on the secondary master. It was a long-ago cost-saving decision to do that, instead of a proper reporting slave.
– cjc
May 7 '12 at 10:42
You'd be better off adding a couple of lines of code to whatever runs the reporting queries to detect the failure and try again.
– womble♦
May 7 '12 at 10:47
@womble, Im not caring with the services. Im just interested in the information if pacemaker thinks all nodes are still fine. Like one node being standby, offline, or worst case a split-brain happend.
– Comradin
May 7 '12 at 14:03
|
show 2 more comments
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1 Answer
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By default, if the crm has a hissy-fit you'll know about it because the machine reboots. We run a Nagios check at work that does all sorts of checks for Pacemaker config in general (Make sure is-managed-default isn't false, that no resources have a non-zero failcount, all that kind of thing) -- I don't know where we got it from, but presumably it's floating around the 'tubes somewhere.
answered May 7 '12 at 10:15
womble♦womble
85.2k18141203
Our service provider runs mysql master-master nodes, with basic Heartbeat failover. We're on the mail list for Heartbeat messages, but we've also set up a Nagios check that looks at the MAC for the HA IP and the MAC for the standby master's IP. If they match, then we've missed an email and the IP floated to the the standby.
– cjc
May 7 '12 at 10:24
To be blunt, if you care which machine on a cluster a service is running, ur doin it rong.
– womble♦
May 7 '12 at 10:39
We were running long-running queries on the secondary master. It was a long-ago cost-saving decision to do that, instead of a proper reporting slave.
– cjc
May 7 '12 at 10:42
You'd be better off adding a couple of lines of code to whatever runs the reporting queries to detect the failure and try again.
– womble♦
May 7 '12 at 10:47
@womble, Im not caring with the services. Im just interested in the information if pacemaker thinks all nodes are still fine. Like one node being standby, offline, or worst case a split-brain happend.
– Comradin
May 7 '12 at 14:03
|
show 2 more comments
By default, if the crm has a hissy-fit you'll know about it because the machine reboots. We run a Nagios check at work that does all sorts of checks for Pacemaker config in general (Make sure is-managed-default isn't false, that no resources have a non-zero failcount, all that kind of thing) -- I don't know where we got it from, but presumably it's floating around the 'tubes somewhere.
answered May 7 '12 at 10:15
womble♦womble
85.2k18141203
Our service provider runs mysql master-master nodes, with basic Heartbeat failover. We're on the mail list for Heartbeat messages, but we've also set up a Nagios check that looks at the MAC for the HA IP and the MAC for the standby master's IP. If they match, then we've missed an email and the IP floated to the the standby.
– cjc
May 7 '12 at 10:24
To be blunt, if you care which machine on a cluster a service is running, ur doin it rong.
– womble♦
May 7 '12 at 10:39
We were running long-running queries on the secondary master. It was a long-ago cost-saving decision to do that, instead of a proper reporting slave.
– cjc
May 7 '12 at 10:42
You'd be better off adding a couple of lines of code to whatever runs the reporting queries to detect the failure and try again.
– womble♦
May 7 '12 at 10:47
@womble, Im not caring with the services. Im just interested in the information if pacemaker thinks all nodes are still fine. Like one node being standby, offline, or worst case a split-brain happend.
– Comradin
May 7 '12 at 14:03
|
show 2 more comments
By default, if the crm has a hissy-fit you'll know about it because the machine reboots. We run a Nagios check at work that does all sorts of checks for Pacemaker config in general (Make sure is-managed-default isn't false, that no resources have a non-zero failcount, all that kind of thing) -- I don't know where we got it from, but presumably it's floating around the 'tubes somewhere.
answered May 7 '12 at 10:15
womble♦womble
85.2k18141203
By default, if the crm has a hissy-fit you'll know about it because the machine reboots. We run a Nagios check at work that does all sorts of checks for Pacemaker config in general (Make sure is-managed-default isn't false, that no resources have a non-zero failcount, all that kind of thing) -- I don't know where we got it from, but presumably it's floating around the 'tubes somewhere.
answered May 7 '12 at 10:15
womble♦womble
85.2k18141203
answered May 7 '12 at 10:15
womble♦womble
85.2k18141203
answered May 7 '12 at 10:15
womble♦womble
85.2k18141203
answered May 7 '12 at 10:15
womble♦womble
85.2k18141203
85.2k18141203
Our service provider runs mysql master-master nodes, with basic Heartbeat failover. We're on the mail list for Heartbeat messages, but we've also set up a Nagios check that looks at the MAC for the HA IP and the MAC for the standby master's IP. If they match, then we've missed an email and the IP floated to the the standby.
– cjc
May 7 '12 at 10:24
To be blunt, if you care which machine on a cluster a service is running, ur doin it rong.
– womble♦
May 7 '12 at 10:39
We were running long-running queries on the secondary master. It was a long-ago cost-saving decision to do that, instead of a proper reporting slave.
– cjc
May 7 '12 at 10:42
You'd be better off adding a couple of lines of code to whatever runs the reporting queries to detect the failure and try again.
– womble♦
May 7 '12 at 10:47
@womble, Im not caring with the services. Im just interested in the information if pacemaker thinks all nodes are still fine. Like one node being standby, offline, or worst case a split-brain happend.
– Comradin
May 7 '12 at 14:03
|
show 2 more comments
Our service provider runs mysql master-master nodes, with basic Heartbeat failover. We're on the mail list for Heartbeat messages, but we've also set up a Nagios check that looks at the MAC for the HA IP and the MAC for the standby master's IP. If they match, then we've missed an email and the IP floated to the the standby.
– cjc
May 7 '12 at 10:24
To be blunt, if you care which machine on a cluster a service is running, ur doin it rong.
– womble♦
May 7 '12 at 10:39
We were running long-running queries on the secondary master. It was a long-ago cost-saving decision to do that, instead of a proper reporting slave.
– cjc
May 7 '12 at 10:42
You'd be better off adding a couple of lines of code to whatever runs the reporting queries to detect the failure and try again.
– womble♦
May 7 '12 at 10:47
@womble, Im not caring with the services. Im just interested in the information if pacemaker thinks all nodes are still fine. Like one node being standby, offline, or worst case a split-brain happend.
– Comradin
May 7 '12 at 14:03
Our service provider runs mysql master-master nodes, with basic Heartbeat failover. We're on the mail list for Heartbeat messages, but we've also set up a Nagios check that looks at the MAC for the HA IP and the MAC for the standby master's IP. If they match, then we've missed an email and the IP floated to the the standby.
– cjc
May 7 '12 at 10:24
Our service provider runs mysql master-master nodes, with basic Heartbeat failover. We're on the mail list for Heartbeat messages, but we've also set up a Nagios check that looks at the MAC for the HA IP and the MAC for the standby master's IP. If they match, then we've missed an email and the IP floated to the the standby.
– cjc
May 7 '12 at 10:24
To be blunt, if you care which machine on a cluster a service is running, ur doin it rong.
– womble♦
May 7 '12 at 10:39
To be blunt, if you care which machine on a cluster a service is running, ur doin it rong.
– womble♦
May 7 '12 at 10:39
We were running long-running queries on the secondary master. It was a long-ago cost-saving decision to do that, instead of a proper reporting slave.
– cjc
May 7 '12 at 10:42
We were running long-running queries on the secondary master. It was a long-ago cost-saving decision to do that, instead of a proper reporting slave.
– cjc
May 7 '12 at 10:42
You'd be better off adding a couple of lines of code to whatever runs the reporting queries to detect the failure and try again.
– womble♦
May 7 '12 at 10:47
You'd be better off adding a couple of lines of code to whatever runs the reporting queries to detect the failure and try again.
– womble♦
May 7 '12 at 10:47
@womble, Im not caring with the services. Im just interested in the information if pacemaker thinks all nodes are still fine. Like one node being standby, offline, or worst case a split-brain happend.
– Comradin
May 7 '12 at 14:03
@womble, Im not caring with the services. Im just interested in the information if pacemaker thinks all nodes are still fine. Like one node being standby, offline, or worst case a split-brain happend.
– Comradin
May 7 '12 at 14:03
|
show 2 more comments
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There's some curses-based management command. I'd check to see what options are available on that command, if it'll just return with an exit code, etc., or at least parseable text. I assume you want to see nodes that are online/idle/whatever.
– cjc
May 7 '12 at 10:22
exchange.nagios.org/directory/Plugins/… or write a Nagios plugin to parse
crm_mon -1results.– quanta
Jun 30 '12 at 5:12