AW: [Linux-HA] Heartbeat v2 stickiness, score and more

2009-04-02 Thread florian.engelmann
Hello, I spent the whole afternoon to search for a good heartbeat v2 documentation, but it looks like this is somehow difficult. Maybe someone in here can help me? The only good doc is Andrews Configuration_Explained. See:

Re: AW: [Linux-HA] Heartbeat v2 stickiness, score and more

2009-04-02 Thread Michael Schwartzkopff
Am Donnerstag, 2. April 2009 08:21:16 schrieb florian.engelm...@bt.com: Hello, I spent the whole afternoon to search for a good heartbeat v2 documentation, but it looks like this is somehow difficult. Maybe someone in here can help me? The only good doc is Andrews

Re: [Linux-HA] Programmatic interface to CRM?

2009-04-02 Thread Andrew Beekhof
On Wed, Apr 1, 2009 at 17:24, uma...@comcast.net wrote: I am delighted to hear there is subscription mechanism! I apologize if I have not read through the documentation thoroughly. Could you please point me to the documentation on CIB events and the subscription mechanism? What is the

Re: [Linux-HA] Determining whether CIB is accessible

2009-04-02 Thread Andrew Beekhof
On Wed, Apr 1, 2009 at 18:21, Nicholas Dronen ndro...@gmail.com wrote: On Wed, Mar 18, 2009 at 3:44 AM, Andrew Beekhof beek...@gmail.com wrote: On Tue, Mar 17, 2009 at 16:10, Nicholas Dronen ndro...@gmail.com wrote: Hi: I'm writing scripts to dynamically add, remove, manage, and unmanage

Re: [Linux-HA] rule move resource if mysql status fails

2009-04-02 Thread Andrew Beekhof
Create a resource and a monitor action for mysql but mark set is-managed=false. This tells the cluster not to stop or start it, but only to check if its running. Then simply add a colocation constraint from the other resource to the mysql one. Though I have to wonder why you'd not want the

Re: [Linux-HA] Adding a Hostname to a Clustered Resource

2009-04-02 Thread Dejan Muhamedagic
Hi, On Wed, Apr 01, 2009 at 10:31:45PM +0100, Jason Fitzpatrick wrote: Hi Dejan Sorry I should have explained myself better i have a 2 node DRBD cluster, doing file and printer sharing, i have been able to get an IP Address to move with the resources, and was hoping to have the

[Linux-HA] Heartbeat in V1 type does not try to start resources after restart

2009-04-02 Thread Maros Timko
Hi all, I'm having problems when active node is lost for a while (gets rebooted). Scenario: - two machines, heartbeat 2.1 in V1 config style, all resources defined in just one group - kill the active node (e.g. echo b /proc/sysrq-trigger) - standby node tries to take over all the resources -

[Linux-HA] HA Books

2009-04-02 Thread Darren.Mansell
Hi. Can anyone recommend any good books about HA with regards to the latest incarnations such as Pacemaker etc? I understand enough about the CRM and heartbeat 2 to get by but lots of the stuff on this list still goes over my head. Thanks. Darren Mansell

Re: [Linux-HA] HA Books

2009-04-02 Thread Dominik Klein
darren.mans...@opengi.co.uk wrote: Hi. Can anyone recommend any good books about HA with regards to the latest incarnations such as Pacemaker etc? I understand enough about the CRM and heartbeat 2 to get by but lots of the stuff on this list still goes over my head. Thanks. Darren

Re: [Linux-HA] HA Books

2009-04-02 Thread Michael Schwartzkopff
Am Donnerstag, 2. April 2009 15:11:39 schrieb darren.mans...@opengi.co.uk: Hi. Can anyone recommend any good books about HA with regards to the latest incarnations such as Pacemaker etc? I understand enough about the CRM and heartbeat 2 to get by but lots of the stuff on this list still goes

[Linux-HA] Heartbeat in V1 type does not try to start resources after restart

2009-04-02 Thread Maros Timko
Hi all, Scenario: - two machines, heartbeat 2.1 in V1 config style, all resources defined in just one group - kill the active node (e.g. echo b /proc/sysrq-trigger) - standby node tries to take over all the resources - OK - standby fails to start any resource for any reason (e.g. drbd device

RE: AW: [Linux-HA] Heartbeat v2 stickiness, score and more

2009-04-02 Thread florian.engelmann
I was now reading the great links Michael gave me and I learned a lot. But I am still a little confused about openAIS / Heartbeat / Pacemaker. I understood (if I am right) that pacemaker is a part (big) of heartbeat 2. So if you want to use heartbeat 3 you have to use pacemaker. Pacemaker is also

Re: AW: [Linux-HA] Heartbeat v2 stickiness, score and more

2009-04-02 Thread Michael Schwartzkopff
Am Donnerstag, 2. April 2009 15:35:44 schrieb florian.engelm...@bt.com: I was now reading the great links Michael gave me and I learned a lot. But I am still a little confused about openAIS / Heartbeat / Pacemaker. I understood (if I am right) that pacemaker is a part (big) of heartbeat Well

Re: AW: [Linux-HA] Heartbeat v2 stickiness, score and more

2009-04-02 Thread Andrew Beekhof
On Thu, Apr 2, 2009 at 16:14, Michael Schwartzkopff mi...@multinet.de wrote: Am Donnerstag, 2. April 2009 15:35:44 schrieb florian.engelm...@bt.com: I was now reading the great links Michael gave me and I learned a lot. But I am still a little confused about openAIS / Heartbeat / Pacemaker. I

[Linux-HA] Stopping the Heartbeat daemon does not stop the DRBD Daemon

2009-04-02 Thread Jerome Yanga
Stopping the Heartbeat daemon (service heartbeat stop) does not stop the DRBD daemon even if it is one of the resources. # service heartbeat stop Stopping High-Availability services: [ OK ] # service drbd status drbd driver loaded OK;

Re: [Linux-HA] Stopping the Heartbeat daemon does not stop the DRBD Daemon

2009-04-02 Thread Dominik Klein
Jerome Yanga wrote: Stopping the Heartbeat daemon (service heartbeat stop) does not stop the DRBD daemon even if it is one of the resources. # service heartbeat stop Stopping High-Availability services: [ OK ] # service drbd