Users Guide

Power O (Non-graceful)Turns o the server power, which is equivalent to pressing the power button when the server is
turned on. This option is disabled if the server is already turned o. It does not notify the server operating system.
Power Cycle System (Cold Boot)Turns o and then restarts the server (cold boot). This option is disabled if the server is
already turned o.
NOTE: When the chassis is power cycled all devices in the chassis are also powered cycled. The management
module does not get power cycled. But, alerts are logged indicating that the connectivity to devices is lost owing
to the power cycle operation.
Power O (Graceful)—Noties the server operating system to turn o the server. This option is disabled if the server is already
turned o.
Conguration tasks:
Create Chassis Group
Join Chassis Group
Initial Conguration
Troubleshooting tasks:
Extract Log
Diagnostic Commands
Reset management module
Terminate serial connection
Turn-on or turn o LEDs using Blink LED.
Back up, restore, export chassis prole, and perform failover.
NOTE: After a chassis power o, the compute SLEDs are polled based on the event from the chassis. Each event from the
chassis triggers a health-poll. You may see multiple connection loss events from compute SLEDs.
Chassis groups
You can group many chassis to form a multi-chassis management (MCM) group. An MCM group can have one lead chassis and 19 member
chassis. You can use any management module to create an MCM group. The management module that is used for creating the MCM is the
leader of the group, by default. The MCM group is of wired type, where the chassis is daisy-chained or wired through a redundant port on
the management module. The chassis that you select for creating the group must be daisy-chained to at least one chassis. You can view a
list of wired chassis and select all or the required number of chassis for creating the MCM group.
NOTE
: You must have the chassis administrator privilege to create an MCM group.
You can perform the following tasks using an MCM group:
View the health of the MCM group and the member chassis.
Automatically apply settings of the leader chassis to member chassis.
Perform any chassis operation on the MCM group.
You can add member chassis to an MCM group in two ways:
Automatic—Enables automatic inclusion of the member to the chassis group. The automatic inclusion process does not require
approval from the chassis administrator.
Manual—Mandates approval by the chassis administrator to include the member chassis to the chassis group.
Prerequisites for creating a wired group
Following are the prerequisites to create a wired or daisy-chained chassis group:
List of wired daisy-chained chassis—All the chassis must be on the private stack. You need not enter a password as the machine to
machine authentication trust is used.
Ensure that you have added member chassis to the group using the automatic or manual method.
Logging in to OME-Modular
23