IBM Support

No data in the Historical Monthly Summarization Availability by Server

Question & Answer


Question

When selecting a short period time span for the Historical Monthly Summarization Availability Dialog by Server view , for example "last 3 days" or using a custom interval, no data is displayed.

Cause

The product guide indicates that you should specify the number of months:

http://www.ibm.com/support/knowledgecenter/SSTFXA_6.3.0/com.ibm.itm.doc_6.3/oslinux/historical_aggregate_availability.htm
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Historical Summarized Availability workspace

The Historical Summarized Availability workspace shows the percentage of time that a managed resource was available during the number of months that you specify in the Time Span dialog. This workspace consists of the following two graphical views:

Availability (average over months) - which shows the percentage of time that managed resources were available, grouped by server
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This graphical view uses the SumAvail Monthly Availability by Server query:
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select "Server_Name",
avg(($KFW_USR$.CastToFloat("TOT_System_Up_Time")/(86400 *
$KFW_USR$.DaysInMonth(WRITETIME))) * 100) "%_System_Up_Time",
min(WRITETIME) "TIMESPANBEG", max(WRITETIME) "TIMESPANEND",
max(SHIFTPERIOD) "ShiftPeriod", max(VACATIONPERIOD) "VacationPeriod"
from "NT_System_MV" where $TIMESPAN$ 1=1 and SHIFTPERIOD = $SHIFTPERIOD$
and VACATIONPERIOD = $VACATIONPERIOD$ group by "Server_Name" order by
"%_System_Up_Time" desc
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Answer

To avoid this situation you must specify the number of months in the Time Span dialog.

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Document Information

Modified date:
17 June 2018

UID

swg21987085