We are getting HTTP 408 errors from only one of our harvest pollers and there is no data in graphite.
Harvest: 1.6
Ontap: 9.7p11
[2021-10-01 09:19:23] [NORMAL ] WORKER STARTED [Version: 1.6] [Conf: netapp-harvest.conf] [Poller: poller1]
[2021-10-01 09:19:23] [NORMAL ] [main] Poller will monitor a [FILER] at [poller1:443]
[2021-10-01 09:19:23] [NORMAL ] [main] Poller will use [password] authentication with username [netapp-harvest] and password [**********]
[2021-10-01 09:19:23] [WARNING] [connect] Setting HTTP/1.0 because reverse hostname resolution (IP -> hostname) fails. To enable HTTP/1.1 ensure reverse hostname resolution succeeds.
[2021-10-01 09:19:24] [WARNING] [connect] Setting HTTP/1.0 because reverse hostname resolution (IP -> hostname) fails. To enable HTTP/1.1 ensure reverse hostname resolution succeeds.
[2021-10-01 09:19:25] [NORMAL ] [main] Collection of system info from [poller1] running [NetApp Release 9.7P11] successful.
[2021-10-01 09:19:25] [NORMAL ] [main] Found best-fit monitoring template (older generation or major release): [cdot-9.6.0.conf]
[2021-10-01 09:19:26] [NORMAL ] [main] Added and/or merged monitoring template [/opt/netapp-harvest/template/default/cdot-9.6.0.conf]
[2021-10-01 09:19:27] [NORMAL ] [main] Metrics will be submitted with graphite_root [netapp.perf.poller1]
[2021-10-01 09:19:27] [NORMAL ] [main] Using graphite_meta_metrics_root [netapp.poller.perf.poller1]
[2021-10-01 09:19:27] [NORMAL ] Creating output plugins
[2021-10-01 09:19:27] [NORMAL ] Created output plugins
[2021-10-01 09:19:27] [NORMAL ] [main] Startup complete. Polling for new data every [60] seconds.
[2021-10-01 09:20:23] [WARNING] [nfsv4_1] update of data cache failed with reason: Server returned HTTP Error: 408 Request
[2021-10-01 09:20:23] [WARNING] [nfsv4_1] data-list update failed.
[2021-10-01 09:20:46] [WARNING] [nfsv4_1:node] update of data cache failed with reason: Server returned HTTP Error: 408 Request
[2021-10-01 09:20:46] [WARNING] [nfsv4_1:node] data-list update failed.
[2021-10-01 09:21:20] [WARNING] [processor] update of data cache failed with reason: Server returned HTTP Error: 408 Request
[2021-10-01 09:21:20] [WARNING] [processor] data-list poller refresh overdue; skipped [1] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:22:00]
[2021-10-01 09:21:20] [WARNING] [processor] data-list update failed.
[2021-10-01 09:21:43] [WARNING] [resource_headroom_aggr] update of data cache failed with reason: Server returned HTTP Error: 408 Request
[2021-10-01 09:21:43] [WARNING] [resource_headroom_aggr] data-list poller refresh overdue; skipped [1] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:22:00]
[2021-10-01 09:21:43] [WARNING] [resource_headroom_aggr] data-list update failed.
[2021-10-01 09:21:45] [WARNING] [resource_headroom_cpu] data-list poller refresh overdue; skipped [1] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:22:00]
[2021-10-01 09:21:48] [WARNING] [system:node] data-list poller refresh overdue; skipped [1] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:22:00]
[2021-10-01 09:21:51] [WARNING] [token_manager] data-list poller refresh overdue; skipped [1] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:22:00]
[2021-10-01 09:22:15] [WARNING] [volume] update of data cache failed with reason: Server returned HTTP Error: 408 Request
[2021-10-01 09:22:15] [WARNING] [volume] data-list poller refresh overdue; skipped [2] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:23:00]
[2021-10-01 09:22:15] [WARNING] [volume] data-list update failed.
[2021-10-01 09:22:38] [WARNING] [volume:node] update of data cache failed with reason: Server returned HTTP Error: 408 Request
[2021-10-01 09:22:38] [WARNING] [volume:node] data-list poller refresh overdue; skipped [2] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:23:00]
[2021-10-01 09:22:38] [WARNING] [volume:node] data-list update failed.
[2021-10-01 09:22:41] [WARNING] [wafl] data-list poller refresh overdue; skipped [2] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:23:00]
[2021-10-01 09:22:43] [WARNING] [wafl_comp_aggr_vol_bin] data-list poller refresh overdue; skipped [2] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:23:00]
[2021-10-01 09:22:45] [WARNING] [wafl_hya_per_aggr] data-list poller refresh overdue; skipped [2] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:23:00]
[2021-10-01 09:22:47] [WARNING] [wafl_hya_sizer] data-list poller refresh overdue; skipped [2] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:23:00]
[2021-10-01 09:22:51] [WARNING] [workload] data-list poller refresh overdue; skipped [2] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:23:00]
[2021-10-01 09:23:13] [WARNING] [workload_detail] update of data cache failed with reason: Server returned HTTP Error: 408 Request
[2021-10-01 09:23:13] [WARNING] [workload_detail] data-list poller refresh overdue; skipped [3] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:24:00]
[2021-10-01 09:23:13] [WARNING] [workload_detail] data-list update failed.
[2021-10-01 09:23:38] [WARNING] [workload_volume] update of data cache failed with reason: Server returned HTTP Error: 408 Request
[2021-10-01 09:23:38] [WARNING] [workload_volume] data-list poller refresh overdue; skipped [3] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:24:00]
[2021-10-01 09:23:38] [WARNING] [workload_volume] data-list update failed.
[2021-10-01 09:24:03] [WARNING] [workload_detail_volume] update of data cache failed with reason: Server returned HTTP Error: 408 Request
[2021-10-01 09:24:03] [WARNING] [workload_detail_volume] data-list poller refresh overdue; skipped [4] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:25:00]
[2021-10-01 09:24:03] [WARNING] [workload_detail_volume] data-list update failed.
[2021-10-01 09:24:03] [WARNING] [cifs:node] data-list poller refresh overdue; skipped [4] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:25:00]
[2021-10-01 09:24:03] [WARNING] [cifs:vserver] data-list poller refresh overdue; skipped [4] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:25:00]
[2021-10-01 09:24:04] [WARNING] [copy_manager] data-list poller refresh overdue; skipped [4] poll(s) from [2021-10-01 09:22:00] to [2021-10-01 09:25:00]
[2021-10-01 09:24:25] [WARNING] [disk:constituent] update of data cache failed with reason: Server returned HTTP Error: 408 Request
It may have stopped working either when we updated from 9.7p6 to 9.7p11 or when we disabled all ssl / tls versions other than TLS1.2.
Thanks in advance for any help.
