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DS8800 Performance Monitoring and Tuning
book

DS8800 Performance Monitoring and Tuning

by Gero Schmidt, Bertrand Dufrasne, Jana Jamsek, Peter Kimmel, Hiroaki Matsuno, Flavio Morais, Lindsay Oxenham, Antonio Rainero, Denis Senin
July 2012
Intermediate to advanced content levelIntermediate to advanced
726 pages
26h 28m
English
IBM Redbooks
Content preview from DS8800 Performance Monitoring and Tuning
52 DS8800 Performance Monitoring and Tuning
3.1 RAID levels and spares
The arrays on the DS8000 are configured in either a RAID 5, RAID 6, or RAID 10
configuration. The following RAID configurations are supported:
򐂰 6+P RAID 5 configuration: The data and parity information in this array is spread across
seven drives. From a capacity perspective, this configuration represents the logical
capacity of six data drives and one parity drive. The remaining drive on the array site is
used as a spare.
򐂰 7+P RAID 5 configuration: The data and parity information in this array is spread across
eight drives. From a capacity perspective, this configuration represents the logical capacity
of seven data drives and one parity drive.
򐂰 5+P+Q RAID 6 configuration: ...
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Publisher Resources

ISBN: 0738436836Purchase book