HP StorageWorks 1000 Modular Smart Array application note Migrating to active/active controllers in Tru64 UNIX environments Part number: 434886–001 First edition: October 2006
Legal and notice information © Copyright 2006 Hewlett-Packard Development Company, L.P. Hewlett-Packard Company makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.
About this document This guide provides information about migrating existing Tru64 UNIX® MSA installations from a single-controller, active/passive configuration to a dual-controller, active/active configuration.
Related documentation for the MSA1500 User documents for the MSA1500 can be found in the shipping carton, on the Documentation CD, and on the MSA1500 Technical Documents web page: http://www.hp.com/go/msa1500cs.
Overview This document outlines the required steps to migrate new and existing installations of Tru64 UNIX MSA environments from a single-controller MSA using active/passive controller firmware to a dual-controller MSA using active/active controller firmware. • Tru64 supports MSA1500 active/active dual controller configurations only. • Tru64 does not support MSA1500 active/passive or single controller configurations. • Tru64 supports MSA1000 active/passive single or dual controller configurations.
Step Description Check 1 Review or obtain the following documents on the MSA website: F • QuickSpecs • Compatibility Guide • Command Line Interface User Guide MSA 1500 website: http://www.hp.com/go/msa1500cs MSA 1000 website: http://www.hp.com/go/msa1000 2 Obtain the latest active/active controller firmware files (version 7.0 or later) and firmware upgrade guide. F Go to the MSA website, and then click Software, firmware & drivers. MSA 1500 website: http://www.hp.
Step Description (continued) Check 9 View and record the current configuration of all hard drives and associated LUNs. F From the MSA Command Line Interface (CLI), enter: show tech_support 10 Verify that supported HBA drivers and FC HBA firmware are installed as listed in the Compatibility Guide on the MSA website: F MSA 1500 website: http://www.hp.com/go/msa1500cs MSA 1000 website: http://www.hp.
Step Description (continued) Check 7 Power off the MSA at this time as indicated in the MSA1000/MSA1500 Firmware Updating Guide: F IMPORTANT: Do not deviate from this power cycle sequence. If the MSA and the storage enclosures are power cycled out of order, LUNs will be marked as failed and must be re-enabled. a. Press and hold down the MSA Power/Standby button for approximately five seconds to place the MSA in Standby mode. b. Shutdown all storage enclosures attached to the MSA. c.
Step Description (continued) Check 11 Install the additional MSA array controller using instructions shipped with the controller. F NOTE: Before installing the additional array controller, be sure that both controllers have the same cache size installed. After installing the additional array controller, allow the auto-cloning process to compare the firmware on the two controllers and clone the firmware from the previously updated controller to the additional controller.
Step Description (continued) Check 12 Verify that both MSA controllers are running the same version of firmware, and examine the status of the MSA, the storage, and the connections. F From the MSA CLI, enter the following commands: show version—Displays MSA version information including MSA firmware and MSA hardware build.
Step Description (continued) Check 13 Ensure that the MSA controller topology is set to Switch Fabric Enabled: F a. From the MSA CLI, enter show this_controller to verify that the MSA array controller is configured for switch fabric connectivity. b. From the MSA CLI, enter show other_controller to verify that the MSA array controller is configured for switch fabric connectivity. Example display: CLI>show this_controller Controller MSA1500(c) Hewlett-Packard P56350A9IMN01Z Version 6.
Configuring Redundant Path Step Description Check 1 Connect the Fibre Channel cable from the new Fibre Channel HBA in the server to the port on the HP SAN switch. F 2 Connect the Fibre Channel cable from the new MSA controller to the port on the HP SAN switch. F 3 Configure the FC switch zoning to include the new MSA controller and new FC HBA (if not already configured). F 4 Create a new connection table on the disk array by performing one of the two following commands from the Tru64 V5.
Step Description (continued) Check 7 Verify the connection. F From the CLI, enter: show connections Example display: CLI>show connections Connection Name: HBA1 Host WWNN=20000000-C93673BA Host WWPN=10000000-C93673BA Profile Name=hp Connection Name: HBA2 Host WWNN=50060B00-00225CB1 Host WWPN=50060B00-00225CB0 Profile Name=Tru64 8 Grant the new controller access to the storage.
