Robuta

https://www.ibm.com/docs/en/om-db2/5.4.0?topic=product-kd2-ompe-vsam-dshlq KD2_OMPE_VSAM_DSHLQ Use the KD2_OMPE_VSAM_DSHLQ parameter to specify the high-level qualifier for the VSAM data sets that the thread history collector allocates. vsam