Отправлено с iPhone

> 31 июля 2018 г., в 2:47, Casey & Gina <caseyandg...@icloud.com> написал(а):
> 
> 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 
> 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.

Fence agents will also be using API to check they can work during monitor 
action. You have monitor action scheduled every minute. I do not know agent 
internals, but each action may be using multiple calls.

You may reduce number of connects by scheduling monitor action less frequently.

>  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,
> -- 
> Casey
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