Western Digital WD15000H1Q-00 User Manual - Page 8
About Your WD Drive
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MY BOOK STUDIO EDITION II USER MANUAL 3 About Your WD Drive Format and Configuration This WD device is preformatted to HFS+ (Journaled) for compatibility with Macintosh operating systems and is pre-configured for RAID 0 (Striped) mode for maximum capacity and accelerated performance. This product also supports RAID 1 (Mirrored) mode for extra data protection with instantaneous and automatic data updates. If one drive fails the system will still run and your data will be preserved. You can replace the failed drive and restore the system. For more information, including instructions on changing the RAID configuration or drive format, see "WD RAID Manager for Mac" on page 17 or "WD RAID Manager for Windows" on page 22. LED Indicators (Lights) The Power/Activity and Capacity Gauge indicators are represented by a single bar of six LEDs (lights) on the front panel of the drive. Power/Activity LED Behavior Appearance Drive State Steady Power-on state or power-save mode Slow flashing (every four seconds) System standby Moving up and down Drive in use Alternating checkerboard pattern Transitioning from one state to another Alternate flashing between top and bottom LEDs RAID degraded mode Cycling from bottom to top RAID rebuild mode Fast flashing (every second) Over-temperature condition* * If this condition occurs, read/write activity will stop and the drive will spin down. Disconnect and power down My Book. Allow it to cool down for 1-2 hours then reconnect and power up the device. Capacity Gauge When the device is turned on, the Capacity Gauge indicates space used on the drive by illuminating six sections in an upward vertical direction. Each section represents approximately 17 percent of drive capacity. Because this drive is preformatted, the first section is illuminated upon installation. USB and FireWire Mode The Capacity Gauge is enabled only through installation of WD Drive Manager, which must be installed on each system to which My Book is connected. The Capacity Gauge is updated automatically as the drive is used. eSATA Mode Capacity Gauge is not available in eSATA mode. ABOUT YOUR WD DRIVE - 5