Steps
1. If the SG6000-CN controller is functioning sufficiently to allow for a controlled shutdown, shut
down the SG6000-CN controller.
a. Log in to the grid node:
i. Enter the following command:
ssh admin@grid_node_IP
ii. Enter the password listed in the
Passwords.txt
file.
iii. Enter the following command to switch to root:
su -
iv. Enter the password listed in the
Passwords.txt
file.
When you are logged in as root, the prompt changes from
$
to
#
.
b. Stop all StorageGRID services:
service servermanager stop
c. Shut down the SG6000-CN controller:
shutdown -h now
d. Wait for any data in cache memory to be written to the drives.
The green Cache Active LED on the back of the E2800 controller is on when cached data
needs to be written to the drives. You must wait for this LED to turn off.
2. Use one of two methods to verify that the power for the SG6000-CN controller is off:
•
The power indicator LED on the front of the controller is off.
•
The Power Control page of the BMC interface indicates that the controller is off.
3. If the StorageGRID networks attached to the controller use DHCP servers, update DNS/network
and IP address settings.
a. Locate the MAC address label on the front of the SG6000-CN controller, and determine the
MAC address for the Admin Network port.
Note:
The MAC address label lists the MAC address for the BMC management port.
To determine the MAC address for the Admin Network port, you must add 2 to the
hexadecimal number on the label. For example, if the MAC address on the label ends in 09,
the MAC address for the Admin Port would end in 0B. If the MAC address on the label
ends in (y)FF, the MAC address for the Admin Port would end in (y+1)01. You can easily
make this calculation by opening Calculator in Windows, setting it to Programmer mode,
selecting Hex, typing the MAC address, then typing + 2 =.
b. Ask your network administrator to associate the DNS/network and IP address for the
controller you removed with the MAC address for the replacement controller.
Attention:
You must ensure that all IP addresses for the original controller have been
updated before you apply power to the replacement controller. Otherwise, the controller
will obtain new DHCP IP addresses when it boots up and might not be able to reconnect to
StorageGRID. This step applies to all StorageGRID networks that are attached to the
controller.
Note:
If the original controller used static IP address, the new controller will automatically
adopt the IP addresses of the controller you removed.
4. Remove and replace the SG6000-CN controller:
94 | Hardware Installation and Maintenance Guide for SG6000 Appliances
Summary of Contents for SGF6024
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