IBM Enterprise Server Services


The IBM Enterprise Server consists of IBM’s z/OS Operating System, dedicated disk storage and tape subsystems.  There is no reliance on the State of Maine’s network for disk and tape subsystem connectivity.

  • Disk and tape subsystems connect to the IBM z114 Enterprise Server using IBM’s proprietary FICON and ESCON fiber connections 
  • This application hosting environment has been in containment (no new development or applications) for the past 10+ years as customers have migrated their applications to other hosting environments
  • This platform is expected to be decommissioned after the last remaining customer application has been migrated to a cloud-based offering


  • IBM z/OS Operating system support
  • CICS online transaction processing environment
  • Third party product installation, configuration and support
  • Disk storage
  • Tape subsystem, for backup and application operational use
  • 24x7 monitoring by MaineIT OEM staff
  • Network connection(s)
  • Facilities management (secure datacenter, UPS, generators, HVAC)
  • Storage hardware procurement and management
  • Storage subsystem support
  • Proactive performance monitoring, alerting and reporting
  • IBM Enterprise Server is located in a secure datacenter with cooling units, uninterruptible power supplies and backup power generators
  • On-call coverage is available for production break/fix 24x7x365


  • Participation in audits, response to audit questions, development and execution of remediation plans for specific audits
  • Off-hours support for non-production environments

Service Level Targets & Availability

  • The standard production published service level agreement can be viewed at the following link: Standard_SLA CTS Production Services
  • The State of Maine’s IBM Enterprise Server is available 24x7x365 days a year, with the exception of a standard maintenance window of Sunday 8:00AM – noon; during this window, the system may be unavailable for brief periods
  • Standard business hour coverage is 7:00AM - 5:00PM Monday through Friday 
  • On-call coverage is available for production break/fix 24x7 
  • To report a production break/fix after hours, please contact MaineIT Operations
  • If service is required for non-production systems outside of the standard business hour coverage, prior arrangements will be required with the director of this service area and an associated fee applies

Service Rates: Please see the MaineIT Rate Table 

Customer Expectations

  • Application system design and development, as well as ongoing application support
  • Application support staff and business user testers in the event of an upgrade, which may be scheduled after hours or on weekends
  • Ability to stay current with software versions used in support of this service offering
  • Ability to tolerant the standard maintenance windows as described in the Service Level Targets section of this document

To get help or order this service

  • Call MaineIT Service Center at 624-7700 and assign to the IBM Enterprise Server (Mainframe) team
  • If the published SLA is not met, the issues can be escalated to the next priority level by contacting any of the following individuals:
    • Contact an Application Hosting Services supervisor, manager or director
    • For after-hours Production Break Fix contact MaineIT Operation at Customer Support 624-7700
    • MaineIT Operations will engage the On-Call Core Technology Duty Manager if necessary