Modifying Power Management SettingsPower management settings switch the array to low power state when it is inactive for a specific time.To modify power management settings:1. Select Manage Arrays from the Logical Device Configuration menu.2. Select the array, then press Ctrl+W.In the power management console, enter these details:DescriptionOptionWhen enabled, switches the array to low power state, when the array/drive is inactive.Power ManagementThe duration of inactive state of the array/drive after which it is sloweddown to low power mode. This is an optional setting.Slow Down Drive AfterNote: The disk drive should support low power mode.The duration of inactive state of the array/drive after which it is poweredoff. This is an optional setting.Power Off Drive AfterNote: Power Off Drive After duration should be greaterthan Slow Down Drive After Duration.The regular time interval at which the system performs a health checkof the array/drive.Verify Drive AfterModifying Cache SettingsYou can modify the read and write cache settings for an array. You can also modify the maxCachesettings. Adaptec maxCache uses the compatible Solid State Drives (SSDs) in your system as fast cachememory to improve performance for both read and write operations in I/O-intensive applications withmixed workloads.Note: maxCache SSD Caching is supported on Adaptec Series Q controllers only.To modify the cache settings for an array:1. Select Manage Arrays from the Logical Device Configuration menu.2. Select the array, then press Ctrl+C.The Modify Cache Settings window opens.3. Enable or disable read caching.4. Press Tab.5. Enable or disable write caching:• Select Enable always for “write-back” caching• Select Enable with ZMM if your controller has battery backup or a zero-maintenance cacheprotection module• Select Disable for “write-through” caching6. Press Tab.7. Select the maxCache Read Cache setting (Enable/Disable).8. Select the maxCache Write Cache setting (Enable/Disable).9. Press Enter to accept the values.84Proprietary and Confidential to PMC-Sierra, Inc.Document No.: CDP-00277-02-A Rev. A, Issue:Serial Attached SCSI RAID Controllers Installation and User's Guide
