Using ServeRAID Adapters to Avoid Data Loss

^{IBM-AUSTRIA - PC-HW-Support 30 Aug 1999}

Using ServeRAID Adapters to Avoid Data Loss

Using ServeRAID Adapters to Avoid Data Loss

RAID-5 and RAID-1 technology provides the ability to continue operation after the failure of a hard drive and the ability to rebuild the lost data onto a replacement drive.
In conjunction with the bad sector remapping capabilities of the hard drives, RAID-5 and RAID-1 can also help recreate data lost due to sector media corruption.

The RAID-5 logical drive must be synchronized initially to ensure that the RAID-5 parity used to reconstruct data in the event of an unreadable sector is correct.

Perform data scrubbing weekly on the RAID-5 and RAID-1 logical drives to minimize the risk of undetected and, therefore, uncorrected sector media errors on the remaining drives in the array.

Defective sectors on hard drives are not uncommon. Data scrubbing helps you detect and correct these errors before they become a problem.
If the ServeRAID Array is not properly set up and/or maintained, a significant risk of data loss grows with the passage of time.
This manual examines how to avoid data loss wherever possible.

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