HP EVA P6550 HP P6300/P6500 EVA User Guide (5697-2486, September 2013) - Page 173
Failure of another drive during rebuild, Handling disk drive failures
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When automatic data recovery has finished, the online LED of the replacement drive stops blinking and begins to glow steadily. Failure of another drive during rebuild If a non-correctable read error occurs on another physical drive in the array during the rebuild process, the Online LED of the replacement drive stops blinking and the rebuild abnormally terminates. If this situation occurs, restart the server. The system might temporarily become operational long enough to allow recovery of unsaved data. In any case, locate the faulty drive, replace it, and restore data from backup. Handling disk drive failures If the controller was configured with hardware fault tolerance, complete the following steps after a disk drive failure: 1. Determine which physical drive failed. On hot-plug drives, an amber drive failure LED illuminates. 2. If the unit containing the failed drive does not support hot-plug drives, perform a normal shutdown. 3. Remove the failed drive and replace it with a drive that is of the same capacity. For hot-plug drives, after you secure the drive in the bay, the LEDs on the drive each flash once in an alternating pattern to indicate a successful connection. The online LED flashes, indicating that the controller recognized the drive replacement and began the recovery process. 4. Power up the server, if applicable. 5. The controller reconstructs the information on the new drive, based on information from the remaining physical drives in the logical drive. While reconstructing the data on hot-plug drives, the online LED flashes. When the drive rebuild is complete, the online LED is illuminated. iSCSI module diagnostics and troubleshooting Diagnostic information is also available through HP P6000 Command View and the CLI event logs and error displays. This section describes diagnostics. iSCSI and iSCSI/FCoE diagnostics The iSCSI and iSCSI/FCoE self test status and operational status are indicated by the MEZZ LED as shown in Figure 85 (page 173) and Table 26 (page 173). Figure 85 Controller status LEDs Table 26 Controller status LEDs Item LED 1 2 Indication Blue LED identifies a specific controller within the enclosure and the iSCSI or iSCSI/FCoE module within the controller. Green LED indicates controller health. LED flashes green during boot and becomes solid green after boot. iSCSI module diagnostics and troubleshooting 173
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