Lenovo ThinkAgile CP Hardware Part Replacement And Component Maintenance Procedures page 141
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Replace the secondary interconnect in a DS-V3 configuration
Complete these steps to replace the secondary interconnect in a DS-V3 configuration.
Before you begin:
ThinkAgile Advantage Support: Request Support to retrieve the following interconnect settings from the
Cloud Controller database:
• appliance_serial_number, controller_uuid, hypervisor network settings, uplink network settings, and the
Network Controller Services version running on the interconnect
• the reserved VLAN IDs (Hardware management network, MLAG/ISL, Hypervisor, Uplink)
• the peerServiceTag of the primary interconnect
Procedure performed by: customer or field service, Lenovo Support
Step 1.
Configure the interconnect you are replacing outside of the stack environment.
The default credentials are:
• Username: manager
• Password: ThinkAgileCP
Step 2.
On the replacement interconnect, perform the following steps in Cloud Controller:
Edit /etc/tacp/tacp_switch_resource.sh to populate the entries based on settings gathered
a.
above (see Installation documents).
Replace /etc/tacp/controller_uuid with the value from the database.
b.
Update /usr/share/tacp/datastore.sqlite using sqlite3 commands, with <DHCP_RANGE_
c.
START> and <DHCP_RANGE_END> representing values from the database:
INSERT INTO property (name,value) VALUES ('DHCP_RANGE_START', '<DHCP_RANGE_START>');
INSERT INTO property (name,value) VALUES ('DHCP_RANGE_END', '<DHCP_RANGE_END>');
Step 3.
Redo any per customer custom configuration from the install journal.
Step 4.
On the primary interconnect switch:
Edit /etc/tacp/tacp-network-controller.conf and set peerServiceTag to the replacement
a.
interconnect's serial number.
b.
Restart the Network Controller Services using the following command: > > s s u u d d o o s s e e r r v v i i c c e e t t a a c c p p - -
n n e e t t w w o o r r k k - - c c o o n n t t r r o o l l l l e e r r r r e e s s t t a a r r t t
Step 5.
Replace the failed interconnect switch with the new interconnect, including the cabling. See
"Cabling a dual-interconnect configuration" on page 138.
Step 6.
Power on the replacement interconnect switch.
.
Chapter 5
Part replacement and maintenance procedures
133
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