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VTrak E-Class Product Manual - Promise Technology, Inc.

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<strong>VTrak</strong> E-<strong>Class</strong> <strong>Product</strong> <strong>Manual</strong><br />

Managing Physical Drives<br />

Physical Drive Management includes the following functions:<br />

• Making Global Physical Drive Settings (page 162)<br />

• Setting an Alias (page 163)<br />

• Viewing Advanced Information (page 163)<br />

• Viewing Physical Drive Statistics (page 163)<br />

• Clearing Stale and PFA Conditions (page 163)<br />

• Forcing a Physical Drive Offline or Online (page 164)<br />

• Locating a Physical Drive (page 164)<br />

Making Global Physical Drive Settings<br />

All physical drive settings are made globally, except for setting an alias, which<br />

applies to individual drives.<br />

To make global physical drive settings:<br />

1. From the Main Menu, highlight Physical Drive Management and press Enter.<br />

2. Highlight Global Physical Drives Settings and press Enter.<br />

3. Change the following settings as required.<br />

For SATA drives:<br />

• Highlight Write Cache and press the spacebar to toggle between<br />

Enabled and Disabled.<br />

• Highlight Read Look Ahead Cache and press the spacebar to toggle<br />

between Enabled and Disabled.<br />

• Highlight CmdQueuing and press the spacebar to toggle between<br />

Enabled and Disabled.<br />

• Highlight DMA Mode and press the spacebar to toggle through UDMA<br />

0–5 and MDMA 0–2.<br />

For SAS drives:<br />

• Highlight Write Cache and press the spacebar to toggle between<br />

Enabled and Disabled.<br />

• Highlight Read Look Ahead Cache and press the spacebar to toggle<br />

between Enabled and Disabled.<br />

• Highlight CmdQueuing and press the spacebar to toggle between<br />

Enabled and Disabled.<br />

• Highlight Read Cache and press the spacebar to toggle between<br />

Enabled and Disabled.<br />

4. Press Ctrl-A to save your settings.<br />

162

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