Promise Technology 2-Year Extended Warranty for VessR2000 RAID Head - Manual (Page 141)

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Vess R2000 Series Product Manual Promise Technologies
4. Make settings changes as required:
• Enter, change or delete the alias in the Alias field.
• LUN Affinity – Choose an enable/disable option from the drop-down menu.
RAID controllers must be set to Active-Active.
• ALUA – Choose an enable/disable option from the drop-down menu.
RAID controllers must be set to Active-Active. See Making Subsystem Settings and “ALUA”
.
• SMART Log – Check the box to enable or uncheck to disable.
• SMART Polling Interval – Enter a value into the field, 1 to 1440 minutes
• HDD Power Saving – Choose time periods from the drop-down menus.
After an HDD has been idle for the 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).
• Coercion – Check the box to enable or uncheck to disable.
• Coercion Method – Choose a method from the drop-down menu:
GBTruncate
10GBTruncate
GrpRounding
TableRounding
• Write Back Cache Flush Interval – Enter a value into the field, 1 to 12 seconds.
• Enclosure Polling Interval – 15 to 255 seconds.
• Adaptive Writeback Cache – Check the box to enable or uncheck
to disable. See “Adaptive Writeback Cache” on page 590.
• Host Cache Flushing – Check the box to enable or
uncheck to disable. See “” on page 590.
• Forced Read Ahead (cache) – Check the box to enable or uncheck
to disable. See “Forced Read-Ahead Cache” on page 589.
• Advanced Battery Flash Backup - Check the box to enable or uncheck to disable.
5. Click the Save button.