Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Florian Haas
On 2010-05-28 14:01, Vadym Chepkov wrote: Hi, I want to convert our home-made application to be managed by pacemaker cluster. The way it works now: application starts, discovers all IPs configured on the system and if it sees preconfigured IP it becomes master and will serve

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Vadym Chepkov
On May 28, 2010, at 8:12 AM, Florian Haas wrote: On 2010-05-28 14:01, Vadym Chepkov wrote: Hi, I want to convert our home-made application to be managed by pacemaker cluster. The way it works now: application starts, discovers all IPs configured on the system and if it sees

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Florian Haas
On 2010-05-28 14:20, Vadym Chepkov wrote: On May 28, 2010, at 8:12 AM, Florian Haas wrote: On 2010-05-28 14:01, Vadym Chepkov wrote: Hi, I want to convert our home-made application to be managed by pacemaker cluster. The way it works now: application starts, discovers all IPs

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Vadym Chepkov
On May 28, 2010, at 8:27 AM, Florian Haas wrote: Imperative word was started. You think I still should go multi-state RA for this application? If the application which that RA applies to distinguishes between roles equivalent to a Master and a Slave, and you want the RA to manage those,

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Florian Haas
On 05/28/2010 02:37 PM, Vadym Chepkov wrote: On May 28, 2010, at 8:27 AM, Florian Haas wrote: Imperative word was started. You think I still should go multi-state RA for this application? If the application which that RA applies to distinguishes between roles equivalent to a Master and a

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Vadym Chepkov
On May 28, 2010, at 11:17 AM, Florian Haas wrote: On 05/28/2010 02:37 PM, Vadym Chepkov wrote: On May 28, 2010, at 8:27 AM, Florian Haas wrote: Imperative word was started. You think I still should go multi-state RA for this application? If the application which that RA applies to

Re: [Pacemaker] master/slave or unique clones

2010-05-28 Thread Maros Timko
So, application acts as master if it was able to bind to the pre-configured IP and as a node if it wasn't. If it's a master it listens on an additional port and receives updates from nodes. Each application pulls video feed out of attached video cameras and stores them on the local drives,