May 2011
Intermediate to advanced
626 pages
15h 3m
English
book
Implementing the IBM Storwize V7000
by Brian Cartwright, Ronda Hruby, Daniel Koeck, Xin Liu, Massimo Rosati, Thomas Vogel, Bill Wiegand, Jon Tate
Content preview from Implementing the IBM Storwize V7000
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Chapter 1. Overview of the IBM Storwize V7000 system 17
RAID 0 arrays stripe data across the drives. The system supports RAID 0 arrays with just one
member, which is similar to traditional JBOD attach. RAID 0 arrays have no redundancy, so
they do not support hot spare takeover or immediate exchange. A RAID 0 array can be
formed by one to eight drives.
RAID 1 arrays stripe data over mirrored pairs of drives. A RAID 1 array mirrored pair is rebuilt
independently. A RAID 1 array can be formed by two drives only.
RAID 5 arrays stripe data over the member drives with one parity strip on every stripe. RAID 5
arrays have single redundancy. The parity algorithm means that an array can tolerate no more
than one member drive failure. A RAID 5 array can ...
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