Adaptec 2074700-R User Guide - Page 137
In the Event of a Drive Failure
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ICP RAID Console Note: To avoid wasting valuable storage capacity, it is recommended that all logical drives forming an array drive have the same storage capacity. When adding a hot fix drive, select a suitable drive, confirm your selection, and choose whether to make the new hot fix drive be of type Private or Pool. In the Event of a Drive Failure The controller will substitute a failed logical drive with a hot fix drive only if the array drive was in the ready state before the failure. In other words, a hot fix drive can only be activated if the corresponding array drive had a state of data redundancy at the moment of failure. The controller activates the fail operation mode. In this mode, the array drive remains fully operational. The data located on the failed drive is generated by means of the redundancy information stored on the other drives, without causing any decrease in performance. The controller integrates the hot fix drive into the array drive and begins reconstructing the data and redundancy information. The array drive is now in the rebuild mode. No other hard disk may fail until all data has entirely been reconstructed on the hot fix drive (because the system is operating without redundancy) without the array drive going into error mode. Note: In some literature, hot fix drives are also referred to as hot spare drives. You can also add or remove hot spare drives using ICP RAID Navigator. Remove Hot Fix Drive This option allows you to remove a hot fix drive from an existing array drive. To access this function, from the Advanced Setup menu: • Select the Configure Array Drives option and press Enter to display the Select Array Drive screen. • Select an array drive and press Enter to display the Array Drive window. • Select the Remove Hot Fix Drive option and press Enter. After you choose the Remove Hot Fix Drive option, ICPCON displays a warning message to confirm the removal of the selected hot fix drive. Press to proceed with the removal, or press to cancel the operation. Hot Fix Pool Access To access this function, from the Advanced Setup menu: • Select the Configure Array Drives option and press Enter to display the Select Array Drive screen. • Select an array drive and press Enter to display the Array Drive window. • Select the Hot Fix Pool Access option and press Enter. Software Installation and User's Guide 137