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v Recovering from defunct drives
v Rebuilding a hot-swap drive
v Replacing a controller (action)
v Failing from the active to the passive controller (action)
Using
Windows NT 4.0 with Active PCI features: To use Active PCI with
Windows NT 4.0 and a ServeRAID-4 controller, you must install the following
software components in this order:
1. DMI Service provider. A free version is included on the IBM ServeRAID
Support CD in the following directory:
e:\WINNT\DMISP\setup.exe
where e is the CD-ROM drive.
Note:
This version is sufficient for most users’ needs, but a Y2K compliant
version is available at the following Web site:
http://www.enablers.com
2. IBM Hot Plug for Windows NT 4.0 Package, version 4.2 or later. This package
is available from the IBM Support Web site.
Note: Be sure to read the instructions and restrictions for this software
program.
3. ServeRAID Active PCI DMI component. This is component is installed
automatically when you install the ServeRAID Manager program.
To perform a hot-replace operation, start the IBM ServeRAID Hot Replace Wizard.
You can start this program from within either the IBM Hot Plug for Windows NT
4.0 program or the ServeRAID Manager program. You can use the ServeRAID
Manager program to start the wizard either on the server with the failed controller,
or across the network from a remote installation of the ServeRAID Manager.
Note: It is useful to start the IBM ServeRAID Hot Replace Wizard from a remote
installation when the server with the failed controller does not have a
monitor.
More information
v Using Active PCI features
v Replacing a ServeRAID controller (action)
Understanding unattended mode
Unattended mode is a setting that alters how the ServeRAID Manager startup code
(that is, BIOS) handles failures during a system startup. Examples of possible
failures during the startup are the following:
v The BIOS cannot communicate with the controller.
v A physical drive state has changed.
v A logical drive state has changed.
You can set unattended mode: either Disabled or Enabled. The default is Disabled.
When unattended mode is disabled and the BIOS detects a failure, the system
remains at the recovery option screen and waits for the user to respond.
When unattended mode is enabled and the BIOS detects a failure, the system waits
for 30 seconds for the user to respond to the recovery options screen. If no user
Chapter 3. Using ServeRAID Manager 29