User guide

78 Controller Advanced Settings
• Auto Spare - This option when selected allows the data to be rebuilt on the drive that is
inserted into the slot from which the failed drive was removed. This is beneficial when a hot
spare or global spare is not designated for a fault tolerant array and a drive fails in that array.
• Auto Rebuild - Selecting this option will automatically start a rebuild operation when a fault-
tolerant array loses a drive member and a replacement or hot spare drive is available and
online. When you assign a hot spare (dedicated or global) this option is automatically enabled.
After creation of the hot spare, the option can be disabled if desired.
• Single Controller Mode - When operating in the StandAlone mode (single controller
configurations) selecting this option stops the controller from constantly checking for a partner
controller. When operating a duplex Active-Active configuration, deselect this option.
• Background Drive Verification - This option when selected is used to automatically verify
the media of all drives in the background. If a media error is detected, the controller can
automatically re-write the data, providing that the array is in a fault tolerant mode. As stated
this process occurs in the background when microprocessor time is available and is suspended
when processor time is not available.
• Auto Update Drive Firmware - Selecting this option allows the disk drive firmware to be
automatically updated when a drive has been updated using the VT-100 menu based system.
Any time a matching drive identical to the drive you updated in the system is discovered, it will
automatically update those drives firmware. StorView will display an icon that the firmware is
being updated in the enclosure front view graphical display on the Main screen.
• Enclosure Support - Selecting this option will cause the enclosure components to be monitored
by StorView. If you deselect this option StorView will not report the enclosure status, will not
report enclosure events, and the image on the Main screen will be dimmed. This does not
disable the audible alarm on the front bezel.
• Rebuild Priority - This option determines the amount of processor time allocated to the
Rebuild operation. The higher the value, the more time the processor will spend on the rebuild
operation, reducing the time to complete the operation. It is recommended to balance the two
priority parameters in the event a rebuild and initialization were to occur simultaneously.
• Initialization Priority - This option determines the amount of processor time allocated to
theoperation. The higher the value, the more time the processor will spend on the initialization
operation, reducing the time to complete the operation. It is recommended to balance the two
priority parameters in the event a rebuild and initialization were to occur simultaneously.