Hp StorageWorks NAS Data Path Manager Software Manuel d'utilisateur télécharger pdf (Page 12)

NAS Data Path Manager

12 hp StorageWorks NAS Data Path Manager Installation and User’s Guide

Data Path Concepts

Data paths exist wherever there are physical connections from an initiator (a NAS

server HBA) to a target (an array controller). Data Path Manager manages traffic

patterns among all available paths between the NAS server HBAs and the LUNs

in your arrays.

Figure 1: Preferred (optimal) and Alternate (non-optimal) Paths

Each path is comprised of the HBA, controller, and any necessary networking

hardware. NAS Data Path Manager evaluates the paths and determines which are

considered optimal and which are non-optimal. This is determined by looking at

the overhead associated with transferring data from the NAS 8000 to a specific

LUN on an associated storage device.

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Hp StorageWorks NAS Data Path Manager Software Manuel d'utilisateur Page 12