Compaq StorageWorks 4000 - RAID Array Guide de l'utilisateur télécharger pdf (Page 109)

Compaq StorageWorks RAID Array 4000 User Guide

Use the Controller Settings screen to select the operating system and to set the

Rebuild Priority, Expand Priority, and Accelerator Ratio. Rebuild and Expand

Priority settings will not affect an idle system, but they will affect performance

on a busy system.

Figure 6-21. Controller Settings screen

The Rebuild Priority affects the amount of time the controller spends

rebuilding data after a failed drive has been replaced. Select High if rebuilding

data should take precedence over handling requests from the operating system.

Select Low if the controller should rebuild data only when it is idle.

The Expand Priority affects when the controller moves data after you have

chosen to expand the capacity of an array. Select High if expanding the array

capacity should take precedence over handling requests from the operating

system. Select Low if the controller should expand the array capacity only

when it is idle.

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Compaq StorageWorks 4000 - RAID Array Guide de l'utilisateur Page 109