Aha, thank you! I missed the blatantly obvious. I will discuss with my colleague and likely use a longer interval.
> On Jul 30, 2018, at 11:25 PM, Klaus Wenninger <kwenn...@redhat.com> wrote: > >> On 07/31/2018 01:47 AM, Casey & Gina wrote: >> I've set up a number of clusters in a VMware environment, and am using the >> fence_vmware_rest agent for fencing (from fence-agents 4.2.1), as follows: >> >> Stonith Devices: >> Resource: vmware_fence (class=stonith type=fence_vmware_rest) >> Attributes: ip=<host> username=<username> password=<password> >> ssl_insecure=1 pcmk_host_check=static-list >> pcmk_host_list=b-gp2-dbpg35-1;b-gp2-dbpg35-2;b-gp2-dbpg35-3 >> Operations: monitor interval=60s (vmware_fence-monitor-interval-60s) >> >> We are using a dedicated service account on the VMware side for pacemaker. >> >> The clusters are running fine, and no failover events have happened >> recently. However, our VMware admin came to me asking why the pacemaker >> service account is logging in and executing API calls very frequently (for >> an environment where there are 3 clusters, 9 nodes total, he is seeing ~1400 >> API > Haven't looked at the internals of fence_vmware_rest but > sounds like 2-3 API-calls per monitoring (or around 10 API-calls > if it is just one monitored instance per cluster - what the config > snippet from above looks like). > Have you tried to increase the 60s monitoring interval? > > Klaus >> calls per hour as this user). I do not see anything logged in corosync.log >> about why this would be, and my limited understanding was that the fence >> agent would only be calling the power off and reboot API's when pacemaker >> couldn't get a response from a node in the cluster. I thought that using a >> static-list for the host_check would prevent any API calls for getting a >> list of hosts, although even if that were going on I would think it would be >> a rare event. His concern is that this amount of load on the vmware hosts >> isn't sustainable. >> >> Unfortunately the logging available from vmWare doesn't give a lot of >> information - it just says the number of API calls, not which API(s) were >> called. >> >> Any ideas what might be going on? Is there a way to get increased logging >> for the fence agent? >> >> Thanks in advance, > _______________________________________________ Users mailing list: Users@clusterlabs.org https://lists.clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
