Re: [Linux-ha-dev] [Linux-HA] LVM Resource agent, exclusive activation - implementation bugs

2013-05-14 Thread Lars Ellenberg
On Tue, May 14, 2013 at 01:22:08PM +0200, Lars Ellenberg wrote: [ on linux-ha, a lot of stuff about why I think we don't even want that feature, or at least not how it is implemented ] This post is related, but about the implementation bugs in the current implementation as I spotted them.

[Linux-HA] help(no crm command)

2013-05-14 Thread zhangyan
Hello.My system os is Centos 6.4 X64,when I install corosync and pacemaker using this command(as offical document guide): yum -y install corosync* pacemaker* but I can't find crm command. why? help me! Tks!Best regards! the following is some information [root@slave log]# uname -a Linux slave

Re: [Linux-HA] help(no crm command)

2013-05-14 Thread Lars Marowsky-Bree
On 2013-05-12T12:33:05, zhangyan cnr...@163.com wrote: Hello.My system os is Centos 6.4 X64,when I install corosync and pacemaker using this command(as offical document guide): yum -y install corosync* pacemaker* but I can't find crm command. why? RHT has decided to not ship the crm

Re: [Linux-HA] help(no crm command)

2013-05-14 Thread Dejan Muhamedagic
Hi, On Tue, May 14, 2013 at 12:30:00PM +0200, Lars Marowsky-Bree wrote: On 2013-05-12T12:33:05, zhangyan cnr...@163.com wrote: Hello.My system os is Centos 6.4 X64,when I install corosync and pacemaker using this command(as offical document guide): yum -y install corosync* pacemaker*

[Linux-HA] LVM Resource agent, exclusive activation

2013-05-14 Thread Lars Ellenberg
This is about pull request https://github.com/ClusterLabs/resource-agents/pull/222 Merge redhat lvm.sh feature set into heartbeat LVM agent Apologies to the CC for list duplicates. Cc list was made by looking at the comments in the pull request, and some previous off-list thread. Even though

Re: [Linux-HA] LVM Resource agent, exclusive activation

2013-05-14 Thread David Vossel
- Original Message - From: Lars Ellenberg lars.ellenb...@linbit.com To: linux-ha@lists.linux-ha.org Cc: David Vossel dvos...@redhat.com, Fabio M. Di Nitto fdini...@redhat.com, Andrew Beekhof and...@beekhof.net, Lars Marowsky-Bree l...@suse.com, Lon Hohberger l...@redhat.com,

Re: [Linux-HA] LVM Resource agent, exclusive activation

2013-05-14 Thread Dejan Muhamedagic
Hi all, On Tue, May 14, 2013 at 01:22:08PM +0200, Lars Ellenberg wrote: This is about pull request https://github.com/ClusterLabs/resource-agents/pull/222 Merge redhat lvm.sh feature set into heartbeat LVM agent Apologies to the CC for list duplicates. Cc list was made by looking at the

Re: [Linux-HA] LVM Resource agent, exclusive activation

2013-05-14 Thread Lars Marowsky-Bree
On 2013-05-14T09:54:55, David Vossel dvos...@redhat.com wrote: Here's what it comes down to. You aren't guaranteed exclusive activation just because pacemaker is in control. There are scenarios with SAN disks where the node starts up and can potentially attempt to activate a volume before

Re: [Linux-HA] LVM Resource agent, exclusive activation

2013-05-14 Thread Lars Marowsky-Bree
On 2013-05-14T15:59:05, Dejan Muhamedagic deja...@fastmail.fm wrote: Appart from a larger restructuring of the code, For which I'd still like to hear a good explanation. Mind, this is not to say that this or that version is better, but that such a huge change calls for a serious effort on

Re: [Linux-HA] LVM Resource agent, exclusive activation

2013-05-14 Thread Lars Ellenberg
On Tue, May 14, 2013 at 04:06:09PM +0200, Lars Marowsky-Bree wrote: On 2013-05-14T09:54:55, David Vossel dvos...@redhat.com wrote: Here's what it comes down to. You aren't guaranteed exclusive activation just because pacemaker is in control. There are scenarios with SAN disks where the

Re: [Linux-HA] LVM Resource agent, exclusive activation

2013-05-14 Thread David Vossel
- Original Message - From: Lars Ellenberg lars.ellenb...@linbit.com To: Lars Marowsky-Bree l...@suse.com Cc: Fabio M. Di Nitto fdini...@redhat.com, General Linux-HA mailing list linux-ha@lists.linux-ha.org, Jonathan Brassow jbras...@redhat.com Sent: Tuesday, May 14, 2013 9:50:43 AM