MicroNet Technology RAIDBank4 manual RAID Control-Web Interface

4-RAID Control-Web Interface

5.1.4 JBOD/RAID Configuration (RAID/JBOD)

The RAIDBank4 controller can be used in JBOD (Just a Bunch Of Drives) mode, which allows each drive to be presented separately to the host. To use this mode, make sure to erase any existing RAID sets.

5.1.5 Maximum SATA Mode (SATA150, SATA150+NCQ, SATA300, SATA300+NCQ)

The RAIDBank4 uses 5 discrete SATA busses for its disk channels. These drive channels can support up to SATA320 and support NCQ (Native Command Queuing,) A SATA function controlling dynamic rearranging of data fetching commands for maximum performance. Please do not change this setting unless instructed by Micronet’s Technical Support.

5.1.6Host Channel NCQ Setting (ESB2/MACPro/Siliconlimage)

The RAIDBank4 supports Native Command Queuing (NCQ) over the eSATA host connection. The NCQ algorithms allow I/O operations to be performed out of order to optimize performance. Since different host bus adapters have some compatibility differences in NCQ implementation, The default setting on this option is Disable for better compatibility. To enable NCQ, choose the option that matches your eSATA host bus adapter:

•ESB2/MACPro/Siliconlimage: Intel ESB2, MACPro, MicroNet, and Silicon Image based adapters

•ICH: Intel ICH series based adapters

•Marvell6145: Marvell 6145 based adapters

•nVidia: Nvidia nForce based adapters

5.1.7 HDD Read Ahead Cache (Enabled/Disabled)

Enabled by default. Please don’t change this setting unless instructed by MicroNet Technical Support.

5.1.8 Volume Read Ahead Cache (Normal/Aggressive/Conservative/Disabled)

Controls the volume read cache algorithm. Depending on the type of data, a more aggressive or less aggressive caching algorithm will yield better performance.

5.1.9 Staggered HDD Spinup control (0.7S)

The RAIDBank4 employs a staggered disk mechanism startup sequence to minimize power supply strain. Please do not change this setting unless instructed by Micronet’s Technical Support.

5.1.10 HDD Spindown Control (5 Minutes)

The RAIDBank4 can automatically spin down disks that haven’t been accessed for a certain amount of time to reduce power consumption. This value is used to determine idle time before spinning down the disk(s).

5.1.11 HDD Empty slot LED (ON/OFF)

This option lights the disk error LED on a slot without a disk.

5.1.12 HDD SMART Status Polling (enabled/disabled)

The RAIDBank4 reads and reports the SMART (Self-Monitoring, Analysis, and Reporting Technology) status of each disk drive mechanism. This option is enabled by default, and should not be disabled unless instructed by Micronet’s Technical Support.

RAIDBank4 Owner’s Manual 39