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Knowledge Base

Checking data collection consistency (1005617)

Last Updated: 3/31/2020Categories: Total Views: 3629Language:
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Symptoms

Reports are missing systems

Reports or dashboards return no results

Some of the results from a report look incorrect

capacity-planner dashboard-reports dashboard-reports-wrong

Purpose

This article discusses interpreting the Collection Dashboard for irregularities in data collection trends. This includes unexpected data, dates out of range, and missing weeks.

Resolution

To check for dashboard inconsistencies:

Open the Collection Dashboard. Click Dashboards > Collection Dashboard.

Observe the graph labelled Inventoried/Monitored Servers by Week. This is a summary of the systems collected within the last 12 weeks. This diagram shows a "mouse-over" tool tip.

Verify the collected weeks for the assessment. Use the mouse to discover the week numbers and number of servers values for each week.

If the number of servers drops at the end of the graph, and the week is not in the future, this can indicate:

That a Collector is no longer working

A network or authentication issue is happening on-site

A Collector was left installed post-assessment.

For more information, see Troubleshooting data collection failure on target servers (1005646) and Troubleshooting when no data or new data appears on the Dashboard (1005492). If a Collector was left installed beyond four weeks you must contact VMware Technical Support to have the extra weeks removed.

If there are weeks which fall in the future, check the time and date set on the physical servers being collected for that week.

To determine the host names:

Click Performance > Enterprise Summary.

Select the week listed in the future from Performance week.

Select Group by > Server.

Click Apply filter. Adjust the time and date for those physical servers then contact VMware Technical support to have the extra weeks removed.

If no data is shown on the graph:

Ensure that the Collector is registered. For more information, see Viewing and Adding Collector Database IDs to a Client Registration (1891) .

Check the Data Upload process. For more information, see No data appears on the Dashboard or no new data appearing (1005492) .

Ensure that the Process performance counters are enabled on the Collector. From the Data Manager click Admin > Options > Jobs >"Scheduled - Performance"> Tasks > Performance > Counters. Verify that the counter "Processor: % Processor Time" is active.

Verify that inventory data is present. Click Dashboards > Enterprise Dashboard. Observe the table Server count. If there is an item listed under the CPU(s) column called No Inventory, you are missing some or all inventory data. For more information, see Enabling Full Force Export on the Collector (1004124) .

Related Information

For related information, see

No results returned in custom report on the Stats_Core data source (1004131)

Troubleshooting no records or results returned by a report, dashboard, or graph (1005609)

Troubleshooting when no data or new data appears on the Dashboard
Troubleshooting data collection failure on target servers

Detectable by VMware SkylineTM

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「エラー：vCenter Server の CA 証明書が検証されていません。停止しています (Error: vCenter CA certificate not verified. Stopping)」というメッセージが 5.5 から 6.x への vCenter Server 移行中に表示される (2148075)

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升级 vCenter Server 6.x 时出现错误“从源 vCenter Server 获取数据时出现问题 ” (56246)

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