IBM 866011U Hardware Maintenance Manual - Page 44
Initializing logical drives, Adata scrubbing
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Note All new RAID level 5 logical drives are automatically synchronized when you initialize them. Initializing logical drives: Initializing a logical drive erases the first 1024 sectors on the drive and prevents access to any data previously stored on that drive. You must initialize all new logical drives before storing data in them. To initialize a logical drive: 1. Select the logical drive that you want to initialize from the Main Screen of the Administration and Monitoring utility program. A screen similar to the following appears. Logical Drive Information Logical Drive Number Blocked Part of Array Part of Merge Group Date Created State Size RAID Level Write Policy Read Ahead Strip Unit Size Number of Chunks Stripe Order 1 No A 1 05/19/97 OKY 100MB 0 WT On 8 KB 3 1,1 1,2 1,4 Unblock Initialize Synchronize OK 2. Click on Initialize to initialize the drive. Note RAID level 5 logical drives are automatically synchronized when you initialize them. You do not need to synchronize RAID level 0 or 1 logical drives before storing data. Synchronizing logical drives: The purpose of synchronizing logical drives is to compute and write the parity data on the selected RAID level 5 logical drives. Synchronizing a RAID level 1 logical drive copies the data from the primary disk to the mirrored disk. RAID level 5 logical drives are automatically synchronized when you initialize them. You do not need to synchronize RAID level 0 or 1 logical drives before storing data. Also, the data scrubbing feature of the ServeRAID controller continuously reads all sections of RAID level 1 and RAID level 5 logical drives "in the background" while the system 36 Netfinity Server HMM