HP 6100 HP StorageWorks 4x00/6x00/8x00 Enterprise Virtual Array Updating Produ - Page 39
Preparing an HP Continuous Access EVA environment for upgrading
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3. Verify that no changes to the storage system configuration are in progress. For example, you should not be in the process of creating a virtual disk. Configuration changes should not be made within 48 hours before beginning the upgrade. Proactive event notification can be used to alert you if a critical event occurs during the 48 hours before the upgrade. NOTE: • The leveling process does not impact the upgrade. If leveling is in progress, the upgrade can be performed. The leveling will be suspended during the upgrade and resumed when the upgrade is complete. • Ensure you suspend any processes or applications that may change the storage system configuration, such as backups and snapshot creation or deletion. Stop any HP Storage System Scripting Utility scripts that are scheduled to run automatically. Preparing an HP Continuous Access EVA environment for upgrading IMPORTANT: Upgrades to an HP Continuous Access EVA configuration are performed from the management server (running HP Command View EVA) that is local to the array. Estimated time to complete: Varies depending on replication configuration When to perform: As close as possible to the upgrade When upgrading an EVA in an HP Continuous Access EVA environment, the following requirements must be met: • Before you upgrade any storage system in an HP Continuous Access EVA relationship, ensure that all storage systems in the storage network are running the same version of controller software. This will ensure that when you upgrade one storage system, the storage network will have only two versions of controller software. You cannot have more than two versions in an HP Continuous Access EVA environment. • During the time that the HP Continuous Access EVA storage systems are running different controller software versions, you cannot make any configuration changes to your storage systems. • You must perform the necessary upgrades to the storage systems in the HP Continuous Access EVA relationship within 60 days (1440 hours) to make all controller software versions the same. • Check the HP firmware policy for additional upgrade information: http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01076997. HP StorageWorks 4x00/6x00/8x00 Enterprise Virtual Array Updating Product Software Guide (XCS 6.220) 39