About RAID Configurations 45If a drive failure occurs, subsequent read and write operations are directed tothe surviving drive. A replacement drive can then be rebuilt using the datafrom the surviving drive.NOTE: In a RAID level 1 configuration, the size of the configuration is equal to thesize of the smallest drive in the configuration.RAID Level 5RAID level 5 uses a data-staging storage technique known as data parity.When data is written to the primary drive, the data is duplicated on at leastthree other drives. Unlike a RAID level 1 configuration which writes to oneother volume that acts as a data mirror, a RAID level 5 configuration writesdata to each drive in increments, placing data from each segment acrossmultiple drives. A RAID level 5 configuration has higher data-access rates,but requires more storage space than a RAID level 0 or RAID level 1configuration.hard drive 1segment 1segment 2segment 3hard drive 2segment 4segment 5segment 6segment 1 duplicatedsegment 2 duplicatedsegment 3 duplicatedsegment 4 duplicatedsegment 5 duplicatedsegment 6 duplicatedserial ATA RAIDconfigured forRAID level 1
