Checking Unit and Drive Status through 3DMwww.3ware.com 135Enclosure LED Status IndicatorsIf you use a 3ware Sidecar or an enclosure that has an integrated AMCC/3ware CCU (chassis control unit), the LEDs on your enclosure alsoprovide some status information. The chassis should come with a cable whichattaches to the I 2 C port on the controller.Unit StatusesThe following is a list of unit statuses you may see in 3DM:• OK. The unit is optimal and is functioning normally.• Rebuilding. The unit is in the process of writing data to a newly addeddisk in a redundant unit, in order to restore the unit to an optimal state.Note: The following table is an example only. Check with your chassisdocumentation for more details. Not all features may be supported or implementedin the same way.Table 11: Meaning of LED Colors and BehaviorColor Drive StatusSolid green OKBlinking green IdentifyThis occurs when you have used the Identify command in 3DMto locate a particular drive or unit. (See “Locating a Drive byBlinking Its LED” on page 161.)Black No driveSolid Amber Hot spareBlinking amber RebuildingThe drive in this slot is part of a RAID unit that is currentlyrebuilding. You can continue to use the unit. For moreinformation, see “Rebuilding Units” on page 150.Solid red Drive faultThis drive has failed. You should replace it and rebuild the unit.Blinking red Predicted drive fault3ware software predicts that this drive will fail soon. You maywant to replace it.
