65
controller SettingS
To make controller settings:
1. Click the Controllers icon.
2. ClickthespecicController icon of the controller you want to manage.
3. Click the Settings tab.
4. Make settings changes as required:
• Enter, change or delete the alias in the Aliaseld.
• 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 – Enteravalueintotheeld,1to12seconds.
• 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).
• Host Cache Flushing – Check the box to enable or uncheck to disable.
• Forced Read Ahead (cache) – Check the box to enable or uncheck to disable.
• Physical Drive Temperature Threshold - Type a temperature
(50-55 ºC) to trigger an event notice and email alert.
• Physical Drive Critical Temperature Threshold - Type a
temperature (58-65 ºC) to trigger system shutdown.
5. Click the
Submit
button.
To view controller statistics:
1. Click the Controllers icon.
2. ClickthespecicController icon of the controller for which you want to view statistics.
3. At the top of the Information display menu, between the Information and Settings tabs, click on the menu
expander to reveal the Statistics link.
Controller statistics include:
• Data Transferred
• Read Data Transferred
• Errors
• Read Errors
• I/O Requests
• Read IO Requests
• Statistics Start Time
• Write Data Transferred
• Non-Read/Write Errors
• Write Errors
• Non-Read/Write Requests
• Write I/O Requests
• Statistics Collection Time
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