Promise Technology VTrak J610S Manual descarregar pdf (Página 141)

Chapter 4: Management with WebPAM PROe

123

5. Make the following settings as needed:

• Optional. Enter a name into the Alias field.

Maximum of 48 characters. Use letters, numbers, space between

words, and underscore.

• Check the Enable LUN affinity box to enable the LUN affinity feature.

If your subsystem has two controllers and Cache Mirroring is disabled,

LUN Affinity is enabled automatically.

• Check the SMART Log box to enable the Self-Monitoring, Analysis, and

Reporting System (SMART).

• Enter a polling interval in SMART Polling Interval field.

The range is 1 to 1440 minutes. 1440 minutes equals one day.

• Choose a Power Saving Idle Time from the dropdown menu.

The physical drives go into Idle mode after the specified period of

inactivity. Never disables this feature.

• Choose a Power Saving Standby Time from the dropdown menu.

The physical drives go into Standby mode after the specified period of

inactivity. Never disables this feature.

• Choose a Power Saving Stopped Time from the dropdown menu.

The physical drives spin down after the specified period of inactivity.

Never disables this feature.

• Check the Coercion Enabled box to enable disk drive capacity coercion.

When disk drives of different capacities are used in the same array,

coercion reduces the usable capacity of the larger disk drive(s) in order

to match the smallest capacity drive.

For more information, see “Capacity Coercion” on page 293.

• Select a coercion method from the Coercion Method dropdown menu.

The choices are:

GB Truncate – Default. Reduces the useful capacity to the nearest

1,000,000,000 byte boundary.

10GB Truncate – Reduces the useful capacity to the nearest

10,000,000,000 byte boundary.

Group Rounding – Uses an algorithm to determine how much to

truncate. Results in the maximum amount of usable drive capacity.

Table Rounding – Applies a predefined table to determine how much to

truncate.

• Enter a time interval in the Write Back Cache Flush Interval field.

The range is 1 to 12 seconds. For more information, see “Cache Policy”

on page 288.

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Promise Technology VTrak J610S Manual Página 141