Re: [Pacemaker] Multiple split-brain problem

2012-06-27 Thread coma
e / passivemode? (I read that stonith is most used for active / active clusters). Anyway, thank you for these advices, this is much appreciated! 2012/6/26 Andreas Kurz > On 06/26/2012 03:49 PM, coma wrote: > > Hello, > > > > i running on a 2 node cluster with corosync &am

Re: [Pacemaker] Multiple split-brain problem

2012-06-27 Thread coma
Thank for the link emmanuel, it seems to be a solution for my problem, i will test it! 2012/6/26 emmanuel segura > Look here > http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/ch09s03s03.html > > :-) > > 2012/6/26 coma > >> Hello,

[Pacemaker] Multiple split-brain problem

2012-06-26 Thread coma
Hello, i running on a 2 node cluster with corosync & drbd in active/passive mode for mysql hight availablity. The cluster working fine (failover/failback & replication ok), i have no network outage (network is monitored and i've not seen any failure) but split-brain occurs very often and i don't

Re: [Pacemaker] MySQL HA with pacemaker and DRBD - How to monitor mysql service

2012-03-23 Thread coma
3/23 emmanuel segura > The first thing you can do it's eliminate this "location > master-prefer-node-1 Cluster-VIP 25: node1" > > because you have your virtual in group and i would like to see the log > from the second node > > Thanks :-) > > Il giorno 23 m

Re: [Pacemaker] MySQL HA with pacemaker and DRBD - How to monitor mysql service

2012-03-23 Thread coma
30" depth="0" group mysql datavg fs_mysql Cluster-VIP mysqld ms ms_drbd_mysql drbd_mysql \ meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" location master-prefer-node-1 Cluster-VIP 25: node1 colocation

Re: [Pacemaker] MySQL HA with pacemaker and DRBD - How to monitor mysql service

2012-03-22 Thread coma
c-version="1.1.5-1.1.el5-01e86afaaa6d4a8c4836f68df80ababd6ca3902f" \ cluster-infrastructure="openais" \ expected-quorum-votes="2" \ stonith-enabled="false" \ no-quorum-policy="ignore" \ last-lrm-refresh="1

Re: [Pacemaker] MySQL HA with pacemaker and DRBD - How to monitor mysql service

2012-03-22 Thread coma
itto: > > I think you missed the op monitor operetion you primitive definition >> >> Il giorno 22 marzo 2012 11:33, coma ha scritto: >> >>> Hello, >>> >>> I have a question about mysql service monitoring into a MySQL HA cluster >>> with pace

[Pacemaker] MySQL HA with pacemaker and DRBD - How to monitor mysql service

2012-03-22 Thread coma
Hello, I have a question about mysql service monitoring into a MySQL HA cluster with pacemaker and DRBD, I have set up a configuration to allow a failover between two nodes, it work fine when a node is offline (or standby), but i want to know if it is possible to monitor the mysql service to perfo

[Pacemaker] Question about Pacemaker & mysql master/slave replication and DRBD replication

2012-03-15 Thread coma
Hello, I'm a new Pacemaker user and i trying to understand exactly what it can do / can't do in case of MySQL Replication or DRBD replication. I have two MySQl servers, for the moment with a simple Master/Slave replication, my need is to implement a high availability system with automated IP and