EMC CX400 Installation Guide - Page 21

AIX Installation Checklists Task With Access Logix Reference Document 18 Serve ❑ Create partitions or the pertinent database file systems on the LUNs. Make LUNs available to AIX If AIX does not recognize any LUNs, verify the connection to the Storage Group. Host connectivity guide or AIX documentation 19 Server If you have a PowerPath license key AIX documentation Test PowerPath with a license key If your PowerPath license key is not registered, the load balancing policy is restricted to basic failover. ❑ Stop all applications accessing the storage system and disable user logins to the server. ❑ View the LUNs available to the server using the following PowerPath command: powermt display dev=all class=clariion PowerPath product guide ❑ Choose one available LUN to receive I/O for the test. ❑ View the paths to the chosen LUN using the following PowerPath command: powermt display dev=x every=2 where x is pseudo device that represents the chosen LUN. ❑ Start I/O to the LUN. ❑ Identify the HBA sending I/O to LUN by viewing the output of the powermt display dev=x every=2 command, and disconnect the cable to that HBA. ❑ View the output of the powermt display dev=x every=2 command, and verify that • The state of the uncabled paths becomes "dead." • I/O continues to the remaining path(s) to the LUN, indicating that the path failover was successful, and PowerPath is working properly. ❑ Reconnect the cable that you disconnected from the HBA. ❑ If you did not follow the above steps exactly and caused any LUNs to trespass, restore the LUNs to their original SP with the following PowerPath command: powermt restore You are now ready to set up any optional software, such as SnapView or MirrorView, on the storage system. PowerPath Checklist - New AIX Server and New Storage System 1-11