102 Chapter 9 RAID operations5 Click OK.—End—RAID splittingEnsure that your system is in full working order and the RAID hardwareconfiguration is set up properly as described on "Configuring RAID usingLSI320-1 controller and Ctrl+M" (page 98).Split the RAID before you install software upgrades (PEPs). If you areperforming a platform upgrade or migration, refer to the Upgrade andPlatform Migration Guide (NN44200-400) for complete instructions.ATTENTIONAs an extra precaution, Nortel recommends that you perform a full system backupprior to performing a RAID-split. For more information about system backups,see the CallPilot Manager online Help.To split the RAIDStep Action1 Load the MegaRAID console. Select Start > Programs > PowerConsole Plus > Launch Client.2 Ensure that Access Mode > Full Access is selected.3 Click OK.Result: The MegaRAID Power Console Plus window appears.4 Ensure all drives are in ONLINE state (marked green).5 In the Physical Devices section, right-click the first drive. The drivesare displayed as follows:(0)A1-1-Onln(1)A1-2-Onln6 Select Tools → Fail Drive from the shortcut menu.Result: A message appears advising that marking the online driveFailed results in changes.7 Ignore the warning and click OK. The drive status changes to FAILEDand the color of the icon changes to red (for example, A01-2-Failed).At this point, the RAID is split, and the drive marked FAILED is thebackup drive and is no longer written to. You can install a PEP onthe system and use the backup drive to back out of the installation.Nortel CallPilot1005r Server Maintenance and DiagnosticsNN44200-704 01.06 Standard5.0 19 July 2007Copyright © 2007, Nortel Networks.