HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 - (English) Advanc - Page 118
Table 10, High Availability Topology Error Recovery
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Table 10 High Availability Topology Error Recovery Failing Continue component after failure What happens and how to recover Disk module Controller modules Yes Applications continue to run on all supported RAID levels (RAID-1, 0/1, and 5). The system administrator or service provider hot- swaps the failed disk module. No on path to Ownership of the failed controller module's LUNs can transfer failed controller automatically to the remaining operational controller module if module; primary and alternate paths have been configured in LVM. If so, Yes on LVM switches automatically and transparently to the alternate path. alternate path The system administrator or service provider hot-swaps the failed through second controller module. controller module Fan module Yes Applications continue to run. The system administrator or service provider hot-swaps the fan module. Power supply Yes modules Availability are present, applications continue to run when one power supply module fails. The system administrator or service provider hot-swaps the failed power supply module. HP Fibre Channel-AL Hub No on path to failed hub; Yes on alternate path to other hub I/O operations fail along the path to the failed HP Fibre Channel-AL Hub. I/O operations can transfer automatically to the other HP Fibre Channel-AL Hub if primary and alternate paths have been configured in LVM. If so, LVM switches automatically and transparently to the alternate path. The authorized service provider hot-swaps the failed HP Fibre Channel-AL Hub. Fibre Channel I/O adapter No on path to I/O operations fail along the path through the failed adapter. If the failed adapter; host has two Fibre Channel adapters connected to a dual-controller Yes if array has module disk array, the array can be accessed through the path to dual controller the operational adapter and controller module if primary and modules and alternate paths have been configured in LVM. If so, LVM switches alternate paths automatically and transparently to the alternate path. The have been authorized service provider replaces the failed adapter and the configured system administrator restarts the operating system and applications. 118 Topologies for HP-UX