CQM2605E OUT OF SPACE CONDITION DETECTED ON DATASET data set
Your request produced an out of space condition for the data set indicated in the message.
Allocate additional space for the indicated Performance History File to accommodate the monitoring data you are collecting. For example, to increase the size of the OBJSDATA Performance History File, you would modify the OBJSDATA_PRIMARY parameter in CQMPARMS.
Db2 Query Monitor issues standard VSAM calls and dynamically allocates the VSAM backstore datasets, it does not control the number of volumes a dataset can span. The number of volumes a dataset can span is controlled in SMS. Multivolume support for backstore data sets is controlled by the DATACLASS that controls the allocation of the VSAM file.