HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software Command Line Interface Reference Guide (EK-G80CL-RA. C01, March 2005)

CLI Command Descriptions
228 HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software
Command Line Interface Reference Guide
■ Specify BPOLICY=EST_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). If more than one disk drive
in the spareset is the correct size, the controller selects a disk drive with
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
members. If more than one disk drive in the spareset matches the best
performance criteria, the controller selects the smallest 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 causes the RAIDset to operate in a
Reduced state until either POLICY=BEST_PERFORMANCE or
POLICY=BEST_FIT is selected, or a member is manually replaced in
the mirrorset.
RECONSTRUCT=FAST
RECONSTRUCT=NORMAL (default)
Sets the speed at which the controller reconstructs the data on the new
RAIDset member replacing a failed member.
■ Specify RECONSTRUCT=NORMAL to balance other controller operations
against the reconstruct operation. The controller uses relatively few
resources to perform the reconstruct, and there is little impact on
performance.
■ Specify RECONSTRUCT=FAST if the reconstruct operation must take
precedence over other controller operations. The controller uses more
resources to perform the reconstruction. Reconstruction takes less time,
but overall controller performance is reduced during the reconstruction.
REMOVE=disk-name
Instructs the controller to remove a member from an existing RAIDset. The
disk drive specified by disk-name is removed from the RAIDset specified
by RAIDset-name. The removed disk drive is added to the failedset.
If a RAIDset is already in a Reduced state, an error is displayed and the
command is rejected. If a replacement policy is specified, the replacement is
taken from the spareset to replace the removed member using the policy
specified.