SECONDARY QTY field (SECQTY subsystem parameter)

The SECQTY subsystem parameter specifies the amount of secondary space that is to be allocated for a disk data set. Start of changeThe unit for this subsystem parameter value is cylinders.End of change

Acceptable values: Start of change1 - 999999 1End of change
Default: Start of change15End of change
Update: option 43 on panel DSNTIPB
DSNZPxxx: DSN6ARVP SECQTY
Notes:
  1. Start of changeIf the specified values exceeds 4369, Db2 issues message DSNT580I to indicate that an environment for allocating LARGE or EXTENDED-FORMAT data sets is required.End of change
Start of changeFor subsystems that are migrated from Db2 11, the PRIMARY QUANTITY field is determined according to the following rules:
Table 1. SECQTY values for subsystems that are migrated from Db2 11.
ALCUNIT at migration How SECQTY is determined in Db2 12
BLK If the Db2 11 SECQTY value is blank, the value is first calculated as in Db2 11 and then converted to cylinders.

Otherwise, the Db2 11 SECQTY value is converted to cylinders.
TRK The Db2 11 SECQTY value is converted to cylinders.
CYL The Db2 11 SECQTY value is used unchanged.
End of change