[Openais] Message : [TOTEM ] A processor failed, forming new configuration.

Hi corosync : I would like to know in which cases we can get this message : [TOTEM ] A processor failed, forming new configuration. and what it exaclty means ... Please : put my email address in copy of the response ... Thanks Regards Alain ___ Openai

[Openais] Question about corosync mcastaddr setting

Hi, corosync-1.4.1-7 with two rings in corosync.conf , and rrp mode active, is it recommended to have two distinct mcastaddr ? (and if so, where can I find this information ?) or it is not important and we can have same mcast addr on both rings ? Saying it in another way , is this sample cor

Re: [Openais] Question about corosync mcastaddr setting

hable ... could you confirm this or reassure me telling that it is not true ;-) ? Thanks Alain Moullé Alain napsal(a): Hi, corosync-1.4.1-7 with two rings in corosync.conf , and rrp mode active, is it recommended to have two distinct mcastaddr ? You can choose to have ether two distinct mca

Re: [Openais] Question about corosync mcastaddr setting

ble ... could you confirm this or reassure me telling that it is not true ;-) ? Yes, rrp will not works as expected. Honza Thanks Alain Moullé Alain napsal(a): Hi, corosync-1.4.1-7 with two rings in corosync.conf , and rrp mode active, is it recommended to have two distinct mcastaddr

Re: [Openais] Question about corosync mcastaddr setting

both rings), depends on IF used ? And is the risk null when using two std eth IF ? Thanks for all information. Alain Le 25/04/2013 17:33, Jan Friesse a écrit : Moullé Alain napsal(a): Hi, "you can choose" ... meaning that it is not mandatory ? and my configuration is correct anyway

Re: [Openais] Question about corosync mcastaddr setting

hit them because of ifdown, but they are there. Don't expect crash of corosync. Expect inconsistent membership view, no reaction on failure, ... In short, just don't do that. Moullé Alain napsal(a): Hi again Jan, I add another question to my last question : "what is the real risk

Re: [Openais] Question about corosync mcastaddr setting

s the patch given in 854216 ? Thanks again. Alain Le 29/04/2013 08:54, Jan Friesse a écrit : Moullé Alain napsal(a): Jan, OK thanks. By the way, is there a way to modify the corosync.conf mcast values and to make a Started Pacemaker/corosync configuration take it in account without a restart ?

Re: [Openais] Question about corosync mcastaddr setting

Thanks again, it is clear. Just one last thing ;-) : which is the last official release available of the corosync rpm ? and where can I get this last release ? (can't find it on clusterlabs site) Thanks Alain Le 17/05/2013 07:55, Jan Friesse a écrit : Moullé Alain napsal(a): Hi Jan, t

[Openais] About corosync and libibverbs-devel librdmacm-devel dependancies

Hi Jan, Just for my information, I would like only to know the dependancies between corosync and both IB libs libibverbs-devel librdmacm-devel : in which configuration corosync needs functions from these both IB libs ? only if there is a heartbeat is on IP/IB ? or any other needs ? Thanks A

Re: [Openais] About corosync and libibverbs-devel librdmacm-devel dependancies

Hi thanks but not completely clear for me : I re-write my question differently : if I use only ETH networks for heartbeat in rrp mode, is corosync using anyway functions from these both libs or none ? Thanks again Alain Le 29/05/2013 15:53, Jan Friesse a écrit : Alain, Moullé Alain

[Openais] Problem and Question about corosync

Hi, with corosync.1.2.3-36 (with Pacemaker) on a 4 nodes HA cluster, we got a strange and random problem : For some reason that we can't identify in the syslog, one node (let's say node1) losts the 3 other members node2, node3, node4 (without any visible network problems on both heartbeat ne

Re: [Openais] Problem and Question about corosync

onnal rrp mode ? I'm a little bit afraid to upgrade to the latest 1.4 corosync release on a RHEL 6.1 ... is there no risk of compatibility with other HA rpm (pacemaker.1.1.5-5 , cluster-glue-1.0.5-2, etc.) ? Thanks a lot for your help. Alain Moullé Le 18/11/2013 15:50, Jan Friesse a écr

Re: [Openais] Problem and Question about corosync

ot;active" mode which was not fully operationnal, so I was about to set it to passive to avoid the problems ... Alain Le 19/11/2013 09:54, Jan Friesse a écrit : Alain, Moullé Alain napsal(a): Hi Jan, If you don't mind , I need more precisions about 1.2.3-36: I just check again the m

Re: [Openais] Problem and Question about corosync

And just to complete the "résumé" : "1.4.1 - Only passive mode is fully supported." ok but in which release is the active mode fully operationnal (even if not officially supported) ? Thanks Alain Le 19/11/2013 10:26, Jan Friesse a écrit : Moullé Alain napsal(a): Hi ag

[Openais] Request of information about rrp mode passive versus rrp mode active

Hi, the man page of corosync.conf gives : "Active replication offers slightly lower latency from transmit to delivery in faulty network environments but with less performance. Passive replication may nearly double the speed of the totem protocol if the protocol doesn’t become cpu bound" OK b

Re: [Openais] Request of information about rrp mode passive versus rrp mode active

t delivered but resend via active device, ...). Active RRP waits until enough failures and then marks device/ring failed. In this meantime, there is no progress (packet must be delivered via both interfaces). Moullé Alain napsal(a): Hi, the man page of corosync.conf gives : "Active replica