For HA pairs, administrative communication must be enabled on both nodes.
The administrative interfaces are located on the management module on the rear of the chassis. These interfaces are for management network traffic only. Do not use these interfaces for data traffic.
Connect an administrative console to the serial port on the back panel of the system.
NOTE You must have 115200 baud rate for the
DD9800 system to work properly; 9600 baud rate will not work for the
DD9800 system.
Launch a terminal emulation program from your computer and configure the following communication settings:
Table 1. Communications settings
Setting
Value
Baud rate
115200
Data bits
8
Stop bits
1
Parity
None
Flow control
None
Emulation
VT-100
Select
Enter on your keyboard to activate the console.
NOTE If you do not see the prompt on your terminal to log in, then complete Step 4.
In the front of theDD9800 system, press the power button to power on the system. Check that the front blue power LED (with the circle with a dot) also turns on.
1. Power LED
2. Power button
NOTE The initial username is
sysadmin and the initial password is the system serial number.
Log into the Data Domain console using the
sysadmin username.
localhost.localdomain login: sysadmin
Enter the default password, which is the system serial number (SSN). The SSN is on the attached tag on the rear panel of the system. See the rear panel of the
DD9800 system for the SSN tag.
Password: system_serial_number
NOTE Configuring an HA pair sets the system password on the standby node to match the system password on the active node, however, that synchronization is not set until the HA configuration is complete. If the HA configuration fails, or if there is a need to access either node before the HA configuration is complete, use the serial number of each node as the password.
NOTE If you enter an incorrect password four consecutive times, the system locks out the specified username for 120 seconds. The login count and lockout period are configurable and might be different on your system. See the
Data Domain Operating System Administration Guide and the
Data Domain Operating System Command Reference Guide for setting these values.
For Data Domain HA systems, SSH keys created on the active node take 30 seconds to one minute to propagate to the standby node.
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