Technical Services
While extensive this is only a partial list of the services provided by Rebello Associates
Hardware
Mainframe
Processor - Selection, upgrade, performance
enhancements and engine configuration
DASD - Selection, upgrade, configuration and
performance enhancements
Tape - Selection, upgrade, performance, vaulting
and remote backup
Channels - Configuration, EMIF, Escon upgrade and
performance
Communications - Controller configuration,
gateways and protocol
Servers (UNIX, NT, and others)
Processor - Selection, upgrade, and performance
enhancements
DASD - Selection, upgrade, configuration and
performance enhancements
Tape - Selection, upgrade, performance, vaulting
and remote backup
Channels - Configuration and performance
Communications - Selection, upgrade, gateways and
protocol
Networking
Mainframe and Servers
Network Design -Hardware, Wireless, Ethernet, Token ring, FDDI,
ATM, SNA, TCP/IP, etc.
Network Integration
Operating Systems
MVS - OS 390
Tuning
Migration
LPAR configuration
Sysplex migration
Online Systems - CICS Tuning, CICSplex migration
MQ Series
Unix and NT on OS-390
System tools evaluation and planning
Security, tape management, automation,
monitoring, database and data access, EIS, etc.
System Integration
Mainframe and Servers
Shared DASD across platforms
Capacity Planning / Performance
Mainframe Capacity Planning
DASD Planning, utilization forecast, storage
forecast
Server Capacity Planning
Mainframe Tuning
DASD Tuning - Dataset level, volume level,
device, controller, channels
Server Tuning
Procurement - Results in improved configuration and reduced costs.
Technical Evaluations
7 x 24 Availability
Data Warehousing
Remote Volume Copy - Remote Backup