User Guide

53987 Rev. 3.01 June 2016
AMD-RAIDXpert2 User Guide
Chapter 6
AMD RAIDXpert2 Graphical User Interface (GUI)
79
6.6.7 Change Cache Settings for Arrays
Table 25 provides information about the four array-caching options available.
Table 25. Cache Array Options
Option
Description
No Cache
I/O requests are translated and passed to the disks without keeping a cached
copy of the data available for future requests
Read Cache
Data reads are cached, if appropriate. This option performs sequential Read
Ahead, when necessary
Write Back Cache
Data writes are cached. This setting is intended for advanced users who
understand the implications of Write Back caching
Read + Write Back
Cache (default setting)
Both Read and Write Back Cache options can be selected
Note: Cache options cannot be changed while a task is active on the array. They can be changed
at any other time, including while I/O is running.
6.6.7.1 Change Cache Settings
1. In the Array View section, select the array on which to change caching options.
2. At the Array menu, select Modify Cache Settings.
3. Choose No Cache, Read Cache, Write Back Cache, or Read + Write Back Cache. The
new cache setting displays in the Array List Cache information.
6.6.8 Change the Priority Level of a Task
The task priority command allows the user to speed up or slow down tasks being performed on
arrays.
To decrease the amount of time it takes for a task to complete, set the task priority higher (10 is
the highest).
Note: A task priority can only be changed after a task is running on the array.
6.6.8.1 Change a Task Priority
1. In the Array View section, select the array on which tasks are being performed.
2. At the Array menu, select Task and select Priority.