Adaptec 133U2 User Guide - Page 65
Rescanning the SCSI Adapters and Array, Controllers
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Viewing SCSI Device Information Rescanning the SCSI Adapters and Array Controllers After you have removed a device from the system, the user interface may continue to display it as disconnected in the Physical Resources window. If this happens, select from the Configuration View toolbar to rescan the system and update the display. It is important to note that the rescan function works differently for a SCSI adapter than for an array controller. A SCSI rescan deletes the database and then performs a Discovery phase to find all devices connected to the system. An update is made to the user interface in the Physical Resources dialog box. See Managing SCSI Adapters on page 4-10 for information on discovery. Differences in Rescan Between SCSI Adapters and Array Controllers There are differences in the way the Adaptec CI/O Management Software rescans SCSI adapters versus array controllers. This is due mainly to differences in complexity between an array controller and a SCSI adapter. With array controllers, information is stored in reserved sectors on the array disk drives. When rescan is selected, the program quickly retrieves information from the reserved sectors. In contrast, information related to SCSI adapters is stored in the iomaspi.dev file. When the server boots up, it reads that file for information. When rescan is selected, the program deletes the file, rewrites it, then updates the program. Rescan Details When only RAID adapters or SCSI adapters are being rescanned, the program displays an hourglass over each adapter icon to show that the rescan has not completed its discovery of all SCSI devices on that adapter. If both RAID adapters and SCSI adapters are being rescanned, an indicator appears on the SCSI adapters after the RAID rescan completes. The indicators are removed after the SCSI rescan completes. 4-9
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