ServerNet Nomadic Disk User's Guide

ServerNet Nomadic Disk User’s Guide—425485-001
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About This Guide
This guide describes how to perform a switchover using the Nomadic Disk subsystem. It
is intended for system managers and operational personnel.
What’s in This Guide
Section Title Description
1 ServerNet Nomadic Disk
Overview
Explains nomadic disk concepts such as
remote mirroring and fiber-optic switching.
Describes database product considerations
when switching.
2 Nomadic Disk Hardware and
Software
Briefly describes the software and hardware
required for the ServerNet Nomadic Disk
subsystem and which products are supported.
3 Installing and Configuring the
Nomadic Disk Manager
Describes how to install and configure the
Nomadic Disk Manager.
4 Switch Modules Describes how to operate the switch module.
5 Switchovers Describes how to prepare for switching,
change the paths to the database, and ensure
correct operation of the database after
switching the nomadic disk volumes. This
section includes detailed examples.
6 Switch Command Interface
(SWCI)
Describes the application interface used to
manipulate the switch control module and
switch cards. This section includes a
complete command reference.
7 Nomadic Disk Manager Interface Describes how to start and use the Nomadic
Disk Manager (NDM). The NDM reduces
the complexity of switching disk drives from
one system to another. This section includes a
complete command reference.
A Operational Considerations for
Remote Mirroring
Describes part numbers for manual, software,
and training.
B Operational Considerations for
Remote Mirroring
Describes considerations for powering on and
off a system with a remote I/O enclosure.