TheContractorshallprovidededicated,hands-onseniortechnicaladministrationandoperationalsupportfortheenterpriseIBMz/ OS mainframe storage ecosystem. The Contractor is responsible for maintaining high availability, capacity health, performance, dataintegrity,anddisasterrecoveryreadinessacrossenterpriseDirectAccessStorageDevices(DASD),automatedphysicaltape libraries, and virtual tape subsystems.
2. DETAILEDTECHNICALRESPONSIBILITIES
2.1. DASDAdministration&CapacityManagement
Monitoring&Allocation:Monitor,administer,allocate,andmanagemainframeDASDresourcesacrossallSMSstorage groups, volumes, and user pools.
Capacity&UtilizationAnalytics:Performcontinuouscapacityforecasting,utilizationtracking,availabilityverification,andI/O performance monitoring to avert space exhaustion.
SpaceIncidentResolution:InvestigateandresolveDASD-relatedallocationfailures,out-of-spaceabends(SB37,SD37, SE37), abnormal catalog states, and volume fragmentation.
VolumeLifecycleSupport:Executevolumeinitialization,pooladditions,datamigration,volumeconsolidation, defragmentation, and decommission activities.
WorkloadSafeguarding:Proactivelyidentifyandeliminatestoragebottlenecksthatmaydegradeonlinesystems(CICS,DB2), production databases, or critical batch cycles.
Hardware&MountTroubleshooting:Investigateandresolvetapemounttimeouts,missing/unassignedvolumes,mediaread/ write errors, robotic arm faults, and drive hardware degradation.
OEMVendorCoordination:Coordinatetapehardwarefailures,drivereplacements,firmwareupdates,andscheduled maintenance with internal infrastructure teams and OEM service vendors.
Throughput&TelemetryOversight:Monitorchannelavailability,virtualdrivestates,backendSAN/NASstoragecapacity,data transfer throughput, and system error logs.
OperationalTooling(LTMon):LeverageLuminexoperationaltooling(LTMonorequivalentutilities)formessageauditing, telemetry analysis, and channel health diagnostics.
Replication&DRTesting:MonitorLuminexreplicationlinks,virtualtapesynchronizationhealth,recoveryreadiness,and participate in formal enterprise DR simulations.
MediaLifecycle&Retention:Managevirtualscratchpools,VOLSERranges,retentionpolicies,andmaintainseamless coexistence with physical tape operations.