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10 Chapter 1
Overview of the Lightning 9900™ Subsystem
Hi-Track
®
. The Hi-Track
®
maintenance support tool monitors the operation of the 9900
subsystem at all times, collects hardware status and error data, and transmits this data
via modem to the Hitachi Data Systems Support Center. The Hitachi Data Systems
Support Center analyzes the data and implements corrective action when necessary. In
the unlikely event of a component failure, Hi-Track
®
calls the Hitachi Data Systems
Support Center immediately to report the failure without requiring any action on the
part of the user. Hi-Track
®
enables most problems to be identified and fixed prior to
actual failure, and the advanced redundancy features enable the subsystem to remain
operational even if one or more components fail. Note: Hi-Track
®
does not have access
to any user data stored on the 9900 subsystem. The Hi-Track
®
tool requires a dedicated
RJ-11 analog phone line.
Nondisruptive service and upgrades. All hardware upgrades can be performed
nondisruptively during normal subsystem operation. All hardware subassemblies can be
removed, serviced, repaired, and/or replaced nondisruptively during normal subsystem
operation. All microcode upgrades can be performed during normal subsystem
operations using the SVP or the alternate path facilities of the host.
Error Reporting. The Lightning 9900™ subsystem reports service information messages
(SIMs) to notify users of errors and service requirements. SIMs can also report normal
operational changes, such as remote copy pair status change. The SIMs are logged on the
9900 service processor (SVP) and on the Remote Console PC, reported directly to the
mainframe and open-system hosts, and reported to Hitachi Data Systems via Hi-Track
®
.