Product manual

VTrak E-Class Product Manual
168
• Highlight SMART Poll Interval and press the backspace key to erase
the current value. Type a new interval value (1 to 1440 minutes).
• Highlight Poll Interval and press the backspace key to erase the current
value. Type a new interval value (15 to 255 seconds).
• Highlight Adaptive Writeback Cache and press the spacebar to toggle
between Enabled and Disabled.
For more information, see “Adaptive Writeback Cache” on page 290.
• Highlight Forced Read Ahead Cache and press the spacebar to toggle
between Enabled and Disabled.
For more information, see “Forced Read-Ahead Cache” on page 290.
• Highlight HDD Power Saving and the spacebar to choose a time
period. After an HDD has been idle for a set period of time:
Power Saving Idle Time – Parks the read/write heads
Power Saving Standby Time – Lowers disk rotation speed
Power Saving Stopped Time – Spins down the disk (stops rotation)
You must also enable Power Management on the disk array. See
“Creating a Disk Array – Advanced” on page 183 and “Enabling Media
Patrol, PDM, and Power Management on a Disk Array” on page 186.
6. Press Ctrl-A to save your settings.
Locating the Controller
To locate this controller:
1. From the Main Menu, highlight Subsystem Management and press Enter.
2. Highlight Controller Management and press Enter.
3. Highlight the controller you want and press Enter.
4. Highlight Controller Settings and press Enter.
5. Highlight Locate Controller and press Enter.
Notes
• Power Management must be enabled on the disk array for the
HDD Power Saving settings to be effective. See“Making Disk
Array Settings” on page 184.
• Power management is limited to the features your HDDs
actually support.