Adaptec 2074700-R User Guide - Page 168
Check Surface, 4.3.3, Deinitialize Disk, 4.3.4, Lock Disk / Unlock Disk
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ICP RAID Navigator Tagged Queues This feature enables modern hard disk drives to receive several commands at one time and then process them in an optimized order. A few, mainly older drives, do not support this feature. You can change the tagged queues setting for a hard disk in the SCSI parameters / Initialize menu. SCSI Read Cache / SCSI Write Cache These settings enable or disable the write and read caches of the hard disks. Turning these caches OFF degrades the performance of the hard disk. You can change the cache settings of a drive in the SCSI parameters / Initialize menu. 11.4.3.2 Check Surface Warning: This option destroys all data on the hard disk. This option checks the surfaces of the selected hard disk media. The ICP RAID controller writes and reads certain data patterns and checks them for correctness. After you choose the Check Surface option, ICP RAID Navigator displays a warning that performing this command will destroy all data. Press to do a surface check or press to cancel. If you choose to do the surface check, ICPCON displays a progress information bar with the elapsed time and estimated time of completion. You can interrupt the surface check by clicking the Cancel button. 11.4.3.3 Deinitialize Disk De-initializing a physical drive removes the initialization sectors. The physical drive cannot be a member of a logical drive once it is deinitialized. 11.4.3.4 Lock Disk / Unlock Disk With this function you can lock or unlock a removable drive containing a removable medium. If the physical drive is locked, the medium cannot be ejected with the eject button while the system is running. 168 Software Installation and User's Guide
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