[ClusterLabs] [EXT] Problem with DLM

[Lentes, Bernd]

----- On 26 Jul, 2022, at 20:06, Ulrich Windl Ulrich.Windl at rz.uni-regensburg.de wrote:

> Hi Bernd!
> 
> I think the answer may be some time before the timeout was reported; maybe a
> network issue? Or a very high load. It's hard to say from the logs...

Yes, i had a high load before:
Jul 20 00:17:42 [32512] ha-idg-1       crmd:   notice: throttle_check_thresholds:       High CPU load detected: 90.080002
Jul 20 00:18:12 [32512] ha-idg-1       crmd:   notice: throttle_check_thresholds:       High CPU load detected: 76.169998
Jul 20 00:18:42 [32512] ha-idg-1       crmd:   notice: throttle_check_thresholds:       High CPU load detected: 85.629997
Jul 20 00:19:12 [32512] ha-idg-1       crmd:   notice: throttle_check_thresholds:       High CPU load detected: 70.660004
Jul 20 00:19:42 [32512] ha-idg-1       crmd:   notice: throttle_check_thresholds:       High CPU load detected: 58.340000
Jul 20 00:20:12 [32512] ha-idg-1       crmd:     info: throttle_check_thresholds:       Moderate CPU load detected: 48.740002
Jul 20 00:20:12 [32512] ha-idg-1       crmd:     info: throttle_send_command:   New throttle mode: 0010 (was 0100)
Jul 20 00:20:42 [32512] ha-idg-1       crmd:     info: throttle_check_thresholds:       Moderate CPU load detected: 41.889999
Jul 20 00:21:12 [32512] ha-idg-1       crmd:     info: throttle_send_command:   New throttle mode: 0001 (was 0010)
Jul 20 00:21:56 [12204] ha-idg-1       lrmd:  warning: child_timeout_callback:  dlm_monitor_30000 process (PID 11816) timed out
Jul 20 00:21:56 [12204] ha-idg-1       lrmd:  warning: operation_finished:      dlm_monitor_30000:11816 - timed out after 20000ms
Jul 20 00:21:56 [32512] ha-idg-1       crmd:    error: process_lrm_event:       Result of monitor operation for dlm on ha-idg-1: Timed Out | call=1255 key=dlm_monitor_30000 timeout=20000ms
Jul 20 00:21:56 [32512] ha-idg-1       crmd:     info: exec_alert_list: Sending resource alert via smtp_alert to informatic.idg at helmholtz-muenchen.de
Jul 20 00:21:56 [12204] ha-idg-1       lrmd:     info: process_lrmd_alert_exec: Executing alert smtp_alert for 8f934e90-12f5-4bad-b4f4-55ac933f01c6

Can that interfere with DLM ?

Bernd
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