Re: [Pacemaker] Build dlm_controld for pacemaker stack(dlm_controld.pcmk)

2012-11-02 Thread Matthew O'Connor
On 10/29/2012 08:14 PM, Andrew Beekhof wrote: > Option 3 is where things are headed, however the only distro that ships it > today is Fedora-17 (and shortly 18). > In this scenario, all components obtain membership and quorum directly from > corosync. > So far OCFS2 is the only component that ha

Re: [Pacemaker] [corosync] Corosync 2.1.0 dies on both nodes in cluster

2012-11-02 Thread Angus Salkeld
On 02/11/12 13:07 -0500, Andrew Martin wrote: Hi Angus, Corosync died again while using libqb 0.14.3. Here is the coredump from today: http://sources.xes-inc.com/downloads/corosync.nov2.coredump # corosync -f notice [MAIN ] Corosync Cluster Engine ('2.1.0'): started and ready to provide ser

Re: [Pacemaker] [corosync] Corosync 2.1.0 dies on both nodes in cluster

2012-11-02 Thread Andrew Martin
Hi Angus, Corosync died again while using libqb 0.14.3. Here is the coredump from today: http://sources.xes-inc.com/downloads/corosync.nov2.coredump # corosync -f notice [MAIN ] Corosync Cluster Engine ('2.1.0'): started and ready to provide service. info [MAIN ] Corosync built-in features: p

Re: [Pacemaker] MySQL/PostgreSQL HA cluster with Pacemaker

2012-11-02 Thread Andrew
Thanks, I'll read this. On 02/11/12 10:23, Denny Schierz wrote: Am 02.11.2012 um 09:06 schrieb Andrew: Hi. Thanks for config, but is there a possibility to avoid DRBD usage for postgres? DB on top of DRBD may be broken if master fails at DB write (because write isn't atomic process). yes,

Re: [Pacemaker] MySQL/PostgreSQL HA cluster with Pacemaker

2012-11-02 Thread Denny Schierz
Am 02.11.2012 um 09:06 schrieb Andrew : > Hi. > Thanks for config, but is there a possibility to avoid DRBD usage for > postgres? DB on top of DRBD may be broken if master fails at DB write > (because write isn't atomic process). yes, there is a way: replication. You can use replication for P

Re: [Pacemaker] MySQL/PostgreSQL HA cluster with Pacemaker

2012-11-02 Thread Andrew
Hi. Thanks for config, but is there a possibility to avoid DRBD usage for postgres? DB on top of DRBD may be broken if master fails at DB write (because write isn't atomic process). On 01/11/12 23:40, Denny Schierz wrote: hi, one example config from my testcases: = primitive

Re: [Pacemaker] MySQL/PostgreSQL HA cluster with Pacemaker

2012-11-02 Thread Andrew
On 02/11/12 01:02, Andrew Beekhof wrote: On Fri, Nov 2, 2012 at 2:34 AM, Andrew wrote: On 01/11/12 03:02, Andrew Beekhof wrote: On Thu, Nov 1, 2012 at 5:27 AM, Andrew wrote: Hi all. I try to build 1+1 MySQL HA cluster, and currently I'm looking on Percona replication manager; other variant

Re: [Pacemaker] Build dlm_controld for pacemaker stack (dlm_controld.pcmk)

2012-11-02 Thread Vladislav Bogdanov
02.11.2012 02:05, Andrew Beekhof wrote: > On Thu, Nov 1, 2012 at 5:09 PM, Vladislav Bogdanov > wrote: >> 01.11.2012 02:47, Andrew Beekhof wrote: >> ... One remark about that - it requires that gfs2 communicates with dlm in the kernel space - so gfs_controld is not longer required.