Dave, HSM has 2 methods to dynamically address volumes going over threshold: Interval Migration and On Demand Migration. Interval Migration runs hourly and processes volumes that went over threshold during the previous hour. The preferred method is the On Demand Migration technique. With ODM, as soon as a volume goes over threshold, SMS throws an ENF that HSM listens to and immediately space manages the volume. Windows can be defined to quiesce this activity during specific times, such as when critical production workloads are running.
It's time to add more storage when the HSM space management runs to completion and a volume still doesn't get under threshold. If you're new to DFSMS, we have a series of recorded DFSMS Academy sessions: https://ibm.ent.box.com/s/w2jpq95ydynpztbjwdplw3l0hoipl0i8 If you're new to DFSMShsm, we have an entire series of recorded DFSMShsm Academy sessions: https://ibm.ent.box.com/v/DFSMS-Academ-DFSMShsm2021 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
