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• ISL and port states
• Number of switches in the fabric
3. Resolve any issues or unintentional changes to the device or fabric:
• If there are any mechanical problems, try reseating the associated component.
• If the configuration information is not correct for the device, modify as required.
• If other issues exist, contact your support provider.
IBM service replacement responsibilities
IBM System Services Representatives (SSR) are responsible for the physical replacement and labeling of
the chassis. The SSR performs the following tasks during the replacement:
1. "Disconnecting the cables" on page 74
2. "Remove the old switch chassis and install the new switch chassis" on page 74
Disconnecting the cables
1. Power off the chassis by disconnecting both power cords from the power supplies and the power
sources. Set the cords aside for use with the new installation.
2. After ensuring that the cables are properly labeled, and the port connection information is recorded
(see Table 15 on page 81), disconnect the cables and transceivers from the ports. Use the pull tab on
the 16 Gbps SFP+ transceivers to remove the fiber cable and the attached SFP+ at the same time (see
"Installing an SFP+ transceiver" on page 42).
3. Group the cables together and position them safely away from the switch to avoid damage during the
chassis replacement process.
Remove the old switch chassis and install the new switch chassis
Follow these steps to remove the switch chassis from the cabinet. The rack mount hardware from the old
chassis will be used for installing the new chassis in the cabinet. Depending on how the switch chassis
was installed, you will need to complete the appropriate instructions in reverse to remove the chassis
from the cabinet and the rack mounting kit hardware from the old chassis. Then complete the appropriate
instructions from the beginning to attach the rack mounting kit hardware to the new chassis and install it
into the cabinet. Refer to Chapter 3, "Mounting the switch," on page 10 for more information.
Complete these steps after the new chassis is installed in the cabinet.
1. Reconnect all transceivers and fiber cables, using the information recorded in Table 15 on page 81 to
ensure that connections are made to the correct ports.
2. Connect the two power cables to the power sources. The switch will begin to power up and start the
POST as soon as the first power cable is connected.
3. Once POST has completed, the switch is ready to restore the saved configurations. Refer to the Fabric
OS Command Reference for more information on the CLI commands.
Work with the customer to perform the steps for "Reconnecting system to the network and fabric" on
page 71.
74 IBM Storage Networking SAN128B-7: SAN128B-7 Installation, Service, and User Guide
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