Compaq StorageWorks Data Replication Manager HSG80 ACS Version 8.5P Operations Guide

5–2 Compaq StorageWorks Data Replication Manager HSG80 ACS Version 8.5P Operations Guide
Managing Failover and Failback Procedures
The procedures below outlines how to power on and power off the storage subsystem after
it has been configured.
Power Up
CAUTION: Compaq recommends that you power up the controllers and switches at
the target site before applying power to the initiator site. Powering up in the wrong
sequence may cause incorrect configurations.
Power on the Data Replication Manager system in the following order:
1. From the target site, ensure that all BA370 enclosures, switches, and cabinet power
distribution units (PDU) have their power switches in the OFF position.
2. Apply power to all PDUs.
3. Turn on the BA370 power switches for the cabinets from the target site.
4. Make sure that all controllers are on and functional.
5. Apply power to all Fibre Channel switches.
6. Repeat steps 1 to 5 at the initiator site.
Power Down
1. From the initiator site, issue the following CLI commands (in this order):
SHUTDOWN OTHER_CONTROLLER
SHUTDOWN THIS_CONTROLLER
2. Turn off the Fibre Channel switch.
3. Turn off the power to the BA370 enclosure.
4. Turn off the PDUs.
5. Repeat steps 1 to 4 at the target site.