HP Integrity Superdome SX2000 HP-UX 11i v3 Dynamic nPartitions - Features and - Page 1

HP-UX 11i v3 Dynamic nPartitions Features and configuration recommendations Table of Contents Introduction ...3 nPartitions Background ...3 Dynamic nPartitions operations ...3 Cell online activation ...3 Cell online deactivation...3 Base cells and floating cells ...4 Dynamic nPartitions commands...4 I/O chassis...4 Scenarios for Dynamic nPartitions...5 Adding capacity to an nPartition...5 Shifting floating capacity to meet demand peaks 5 Temporary removal of a partition 6 Replacement of hardware...6 Configuration recommendations for Dynamic nPartitions 7 Minimum amount of memory on base cells 7 I/O chassis...8 Duration of Dynamic nPartitions operations 8 Sensitivity to operating system workload 8 Current limits and conditions...9 Rollout of Dynamic nPartitions functionality in HP-UX 11i v3 9 Dynamic nPartitions, virtual partitions, and Integrity Virtual Machines 9 Requirement to reset Workload Manager 9 Integration with instant capacity...9 Interaction with processor sets ...10 Cell reset recovery time...10 Summary...10 Illustrated example of online cell migration 11 Command sequences for Dynamic nPartitions scenarios 14 Cell replacement...14