IBM 86655RY Hardware Maintenance Manual - Page 201
Channel record table, Important, extremely important
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2. Using the ServeRAID Manager or options CD, make sure that the Channel Record Table contains the correct information for the status of all drives, not just those listed in the RAID log. 3. Using the ServeRAID Manager or Options CD, select the last drive listed in the Defunct Drive log. This drive will have the most recent time stamp, and is the last drive to be marked Defunct. Right-click on the drive and choose "Set Drive State to Online." Important: You must recover the drives at the bottom of the log first so that the information from them can be used to rebuild the original drive that failed--that is, the "inconsistent" drive. If you do not replace the "inconsistent" drive last, the system uses it to rebuild the last drive that went defunct, and data can be corrupted as a result. Therefore, it is extremely important to perform steps 2 and 3 carefully! 4. Repeat step 3 for each drive, beginning at the bottom of the log and moving to the top. 5. Once you have set all but the last drive (first to go Defunct in the log and in time) to ONLine, you will have to Rebuild the last drive. Follow "Recovery procedures for one defunct drive" on page 190. Channel record table Make photocopies of this table and fill out a copy for each system you service. Provide it to the customer to keep with the records of the system configuration. Table 22. Channel record table. Channel 1 Channel 2 Channel 3 Channel 4 Installing and configuring ServeRAID controllers 191
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