Adaptec 2074700-R User Guide - Page 138
Parity Verify, Periodic Parity Verify, Build/Rebuild Progress
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ICP RAID Console Use the Hot Fix Pool Access option to enable or disable the access of the selected array drive to the hot fix pool. Parity Verify 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 Parity Verify option and press Enter. The redundancy information calculated during an array build or rebuild is stored on a dedicated logical drive (RAID 4), or is distributed over all logical drives of the array drive (RAID 5). This information is often called parity data. The calculation is made with an exclusive OR function (XOR). If a logical drive of an array drive fails, its data can be recalculated by means of the data present on the other logical drives of the array drive and the parity data. The Parity Verify function allows you to check the consistency of an array drive's parity data. The verification may take quite a long time, but you can terminate it by pressing . Note: If you press the escape key , the progress indicator (Figure 10-87) will close. However, parity verify continues to run unless you press the key to abort the parity verify. Note: Parity verify has the capability to repair bad parity sectors automatically. Figure 10-87. Progress Information Periodic Parity Verify 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 Periodic Parity Verify option and press Enter. Allows you to schedule parity verify activity as described in previous section. Configurable variables include: Start Parity Verify (frequency of days to run, default is none), At Time (what time to run on the days specified), and Error Handling (what action to take when an error in encountered during the parity verify). Build/Rebuild Progress 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. 138 Software Installation and User's Guide