VTrak E-Class Product Manual
186
For SAS drives:
• Highlight Write Cache and press the spacebar to toggle between
Enabled and Disabled.
• Highlight Read Look Ahead Cache and press the spacebar to toggle
between Enabled and Disabled.
• Highlight CmdQueuing and press the spacebar to toggle between
Enabled and Disabled.
• Highlight MediumErrorThreshold and press the backspace key to
remove the current value, then type a new smaller value.
See note below.
• Highlight Read Cache and press the spacebar to toggle between
Enabled and Disabled.
4. Press Ctrl-A to save your settings.
Medium Error Threshold is the number of bad blocks tolerated before the
controller marks the drive as Dead. The default setting of zero disables this
function. With the Threshold set to zero, drives are not marked offline even
when errors are detected.
Viewing Physical Drive Information
To view information about a physical drive:
1. From the Main Menu, highlight Physical Drive Management and press Enter.
2. Highlight the physical drive you want and press Enter.
Basic information displays.
3. Highlight Advanced Information and press Enter.
Advanced information displays.
Viewing Physical Drive Statistics
To view the statistics for the selected physical drive:
1. From the Main Menu, highlight Physical Drive Management and press Enter.
2. Highlight the physical drive you want and press Enter.
3. Highlight Physical Drive Statistics and press Enter.
Clearing Statistics
To clear physical drive statistics, see “Clearing Statistics” on page 239
Setting an Alias
An alias is optional. To set an Alias for a physical drive:
1. From the Main Menu, highlight Physical Drive Management and press Enter.