[ClusterLabs] What does these logs mean in corosync.log

Jan Friesse jfriesse at redhat.com
Mon Feb 12 11:54:26 EST 2018


lkxjtu,
I will just comment corosync log.

> These logs are both print when system is abnormal, I am very confused what they mean. Does anyone know what they mean? Thank you very much
> corosync version   2.4.0
> pacemaker version  1.1.16
> 
> 1)
> Feb 01 10:57:58 [18927] paas-controller-192-167-0-2       crmd:  warning: find_xml_node:        Could not find parameters in resource-agent.
> 
> 2)
> Feb 08 00:00:10 [32899] paas-controller-22-0-2-10 corosync notice  [TOTEM ] orf_token_rtr Retransmit List: 19f1bb
> Feb 08 00:00:10 [32899] paas-controller-22-0-2-10 corosync notice  [TOTEM ] orf_token_rtr Retransmit List: 19f1bb
> Feb 08 00:00:10 [32899] paas-controller-22-0-2-10 corosync notice  [TOTEM ] orf_token_rtr Retransmit List: 19f1bb
> Feb 08 00:00:10 [32899] paas-controller-22-0-2-10 corosync notice  [TOTEM ] orf_token_rtr Retransmit List: 19f1bb
> Feb 08 00:00:10 [32899] paas-controller-22-0-2-10 corosync notice  [TOTEM ] orf_token_rtr Retransmit List: 19f1bb
> Feb 08 00:00:25 [32899] paas-controller-22-0-2-10 corosync notice  [TOTEM ] orf_token_rtr Retransmit List: 19f1cf
> Feb 08 00:00:25 [32899] paas-controller-22-0-2-10 corosync notice  [TOTEM ] orf_token_rtr Retransmit List: 19f1cf
> Feb 08 00:00:25 [32899] paas-controller-22-0-2-10 corosync notice  [TOTEM ] orf_token_rtr Retransmit List: 19f1cf
> Feb 08 00:00:25 [32899] paas-controller-22-0-2-10 corosync notice  [TOTEM ] orf_token_rtr Retransmit List: 19f1cf
> 

The question is. How often you get this lines? If there are only few of 
them, it's nothing to worry, it just means that corosync message(s) 
was/were lost and Corosync tries to resend them again.

But if you have a lot of these, followed by new membership forming, it 
means you ether:
- are using multicast, but messages got lost for some reason (usually 
switches) -> try UDPU
- MTU of network is smaller than 1500 bytes and fragmentation is not 
allowed -> try reduce totem.netmtu

Honza


> 3)
> Feb 11 22:57:17 [5206] paas-controller-192-20-20-6        cib:     info: crm_compress_string:   Compressed 233922 bytes into 11533 (ratio 20:1) in 51ms
> Feb 11 22:57:21 [5206] paas-controller-192-20-20-6        cib:     info: crm_compress_string:   Compressed 233922 bytes into 11522 (ratio 20:1) in 53ms
> Feb 11 22:57:21 [5206] paas-controller-192-20-20-6        cib:     info: crm_compress_string:   Compressed 233922 bytes into 11537 (ratio 20:1) in 45ms
> Feb 11 22:57:21 [5206] paas-controller-192-20-20-6        cib:     info: crm_compress_string:   Compressed 233922 bytes into 11514 (ratio 20:1) in 47ms
> Feb 11 22:57:22 [5206] paas-controller-192-20-20-6        cib:     info: crm_compress_string:   Compressed 233922 bytes into 11536 (ratio 20:1) in 50ms
> Feb 11 22:57:22 [5206] paas-controller-192-20-20-6        cib:     info: crm_compress_string:   Compressed 233922 bytes into 11551 (ratio 20:1) in 51ms
> Feb 11 22:57:22 [5206] paas-controller-192-20-20-6        cib:     info: crm_compress_string:   Compressed 233922 bytes into 11524 (ratio 20:1) in 54ms
> Feb 11 22:57:22 [5206] paas-controller-192-20-20-6        cib:     info: crm_compress_string:   Compressed 233922 bytes into 11545 (ratio 20:1) in 60ms
> Feb 11 22:57:22 [5206] paas-controller-192-20-20-6        cib:     info: crm_compress_string:   Compressed 233922 bytes into 11536 (ratio 20:1) in 54ms
> Feb 11 22:57:25 [5206] paas-controller-192-20-20-6        cib:     info: crm_compress_string:   Compressed 233922 bytes into 11522 (ratio 20:1) in 61ms
> 
> 
> 
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