When power is restored to the system, an initialization process writes the preserved data to the hard drives. NOTE: The data protection and the time limit also apply if a power outage occurs. During this time, the cache module functions properly, but without the performance advantage of the battery pack. This process might take up to four hours. The internal circuitry automatically recharges the batteries and enables the battery pack. In this case, a POST error message is displayed when the server is powered up, indicating that the battery pack is temporarily disabled. IMPORTANT: The battery pack might have a low charge when installed.
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Class B devices have a Federal Communications More information. Verify that the replacement drive has the correct capacity and is a supported model. After you have replaced the failed drives, fault tolerance may again be compromised. Therefore, the capacity is unavailable for data storage. The cache module is backing up data, and data is lost if the cable is detached. HP Smart Array Bi SATA RAID Controller User Guide PDF. If the amber LED blinks after 15 seconds, do not remove the cable from the cache module. Also, do not transfer this cache module to an unsupported controller model, because you can lose data.ĬAUTION: To prevent a server malfunction or damage to the equipment, do not add or remove the battery pack while an array capacity expansion, RAID level migration, or stripe size migration is in progress.ĬAUTION: After the server is powered down, wait 15 seconds and then check the amber LED before unplugging the cable from the cache module. Do not use the controller with cache modules designed for other controller models, because the controller can malfunction and you can lose data. During that interval, the controller transfers the cached data from DDR memory to flash memory, where the data remains indefinitely or until a controller retrieves the data.ĬAUTION: The cache module connector does not use the industry-standard DDR3 mini-DIMMs. In the event of a system power failure, a fully charged capacitor pack provides power for up to 80 seconds. When the system is powered on, the capacitor pack charges fully in about 5 minutes.
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The DDR cache module buffers and stores data being written by the controller. FBWC consists of a cache module and a capacitor pack. For a list of supported options, see the QuickSpecs on the HP website.
#HP SMART ARRAY CONTROLLER USER GUIDE UPGRADE#
Upgrade options exist for the integrated array controller. To configure arrays, see the Configuring Arrays on HP Smart Array Controllers Reference Guide on the HP website. For more information about the controller and its features, see the HP Smart Array Controllers for HP ProLiant Servers User Guide on the HP website. The server ships with an embedded Smart Array P420i controller.