Compare Performance of One Storage System over Time Ranges report
Shows one performance metric on one storage system over two time periods. For example, you can use this report to compare the I/O rate for this week and last week.
Charts
The chart shows the performance data of the storage system on the performance metric you selected, over the time periods that you selected.
Report output
The following information is provided in the report:
- Storage System Name
- A user-defined name of the storage system. If a name was not defined, IBM Spectrum Control shows the name that was defined when the storage system was added for monitoring.
- Day in Range
- The number of the day in the date range at which the performance metric data was collected, relative to the date range that you specified. The number of days that are shown is determined by the reporting period that was selected for the report. If Last 30 Days was selected, then entries for days 1 - 30 are shown on the report.
- Hour in Range
- The number of the hour in the day at which the performance metric data was collected. For example, 0 is between 12:00:00 a.m. and 12:59:59 a.m., 1 is between 01:00:00 a.m. and 01:59:59 a.m.
- Minute in Range
- The interval of minutes during which the performance metric data was collected. For example, 0 shows that performance data was collected 0 - 5 minutes after the hour. Similarly, 5 shows that the performance data that was collected 5 - 10 minutes after the hour.
- First Date Range
- The details of the performance metric data in the first date range. The details are displayed in two columns in the First Date Range column. Depending on the interval that you selected, the Time, Day, or Hour column shows the time at which the performance metric data was collected. The column with the performance metric name shows the data for the performance metric for the first date range.
- Second Date Range
- The details of the performance metric data in the second date range. The details are displayed in two columns in the Second Date Range column. Depending on the interval that you selected, the Time, Day, or Hour column shows the time at which the performance metric data was collected. The column with the performance metric name shows the data for the performance metric for the second date range.