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5–20 CLI Commands
Switches
POLICY=BEST_FIT
POLICY=BEST_PERFORMANCE (Default)
NOPOLICY
Set the selection criteria the controller uses to choose a replacement member from the
spareset when a RAIDset member fails.
Specify POLICY=BEST_FIT to choose a replacement disk drive from the spareset
that equals or exceeds the base member size (smallest disk drive at the time the
RAIDset was initialized) of the remaining members of the RAIDset. If more than one
disk drive in the spareset is the correct size, the controller selects a disk drive giving
the best performance.
Specify POLICY=BEST_PERFORMANCE to choose a replacement disk drive from
the spareset resulting in the best performance of the RAIDset. The controller attempts
to select a disk on a different port than existing RAIDset members. If there is more
than one disk drive in the spareset matching the best performance criteria, the
controller selects a disk drive that equals or exceeds the base member size of the
RAIDset.
Specify NOPOLICY to prevent the controller from automatically replacing a failed
disk device. This RAIDset operates in a reduced state until you select either
POLICY=BEST_PERFORMANCE or POLICY=BEST_FIT, or manually place a
member in the RAIDset. See “SET RAIDset-name,” page 5–124, for more
information regarding this procedure.
RECONSTRUCT=FAST
RECONSTRUCT=NORMAL (Default)
Sets the speed at which the controller reconstructs data to a new RAIDset disk that
replaces the failed disk.
Specify FAST to allow the reconstruct process to take precedence over other
controller operations. When the RECONSTRUCT=FAST switch is specified, the
controller uses more resources to perform the reconstruction. Reconstruction takes
less time, but overall controller performance is reduced during reconstruction.