Promise Technology VTrak J610S Manual descargar pdf (Pagina 150)

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101

VTrak E-Class Product Manual

132

Figure 10.VTrak drive carrier LEDs

Making Global Physical Drive Settings

Global settings apply to all of the physical disk drives installed in the VTrak

subsystem enclosure. To make global physical drive settings:

1. Click the Subsystem icon in Tree View.

2. Click the Enclosures icon.

3. Click the Enclosure icon.

4. Click the Physical Drives icon.

5. Click the Global Settings tab in Management View.

6. Make the settings as needed.

For SATA drives, check the boxes to enable:

• Write Cache

• Read Look Ahead Cache

• Command Queuing (for disk drives that support Command Queuing)

• From the DMA Mode dropdown menu, choose a DMA mode.

For SAS drives, check the boxes to enable:

• Write Cache

• Read Look Ahead Cache

• Command Queuing (for disk drives that support Command Queuing)

• Read Cache

For SATA and SAS drives, type a number into the:

• Medium Error Threshold field (see the comments below)

7. Click the Submit button.

See “Viewing Physical Drive Information” on page 133 to determine which

functions your physical drives support.

Medium Error Threshold is the number of bad blocks tolerated before the

controller marks the drive as Dead. The default setting is 64 blocks. A setting

of zero disables the function. When disabled, no drives are marked offline

even when errors are detected.

Disk Status LED

1 2 ... 145 146 147 148 149 150 151 152 153 154 155 ... 439 440

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Promise Technology VTrak J610S Manual Pagina 150

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