3DM 2 Online Help

Maintaining Units
3ware RAID controllers include a number of features in the firmware that help maintain the integrity of your drives, check for errors, repair bad sectors, and rebuild units when drives degrade. In addition, 3ware Disk Manager (3DM) provides tools to let you check unit and drive status, and manually start background maintenance tasks. 3DM also lets you review alarms and errors and schedule background maintenance tasks. On Windows systems, the WinAVAlarm utility monitors the controller and will display a message window and give an audible alarm when events occur at or above the threshold you select for it.
Details about these features are described in this section, which is organized into the following topics:

| Checking Unit and Drive Status

| Enclosure LED Status Indicators

| Unit Statuses

| Drive Statuses

| About Degraded Units

| About Inoperable Units

| Alarms, Errors, and Other Events

| Background Tasks

| Scheduling Background Tasks

| Locating a Drive by Blinking Its LED

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