Level 3: Spin down
− Spin Down Type
− Power Saving Idle Time
− Power Saving Standby Time
− Power Saving Stopped Time
− Enable Coercion:
This feature is designed for fault-tolerant logical drives
(RAID 1, 5, 6, 10, 50, and 60). It is generally
recommended to use physical drives of the same size
in your disk arrays. When this is not possible, physical
drives of different sizes will work but the system must
adjust for the size differences by reducing or coercing
the capacity of the larger drives to match the smaller
ones. You can choose to enable Capacity Coercion
and any one of four methods.
Capacity Coercion also affects a replacement drive
used in a disk array. Normally, when a physical drive
fails, the replacement drive must be the same capacity
or larger. However, the Capacity Coercion feature
permits the installation of a replacement drive that is
slightly smaller (within 1 gigabyte) than the remaining
working drive. For example, the remaining working
drives can be 80.5GB and the replacement drive can
be 80.3, since all are rounded down to 80GB. This
permits the smaller drive to be used.
Without Capacity Coercion, the controller will not permit
the use of a replacement physical drive that is slightly
smaller than the remaining working drives.
− Coercion Method – Choose a method from the dropdown
menu:
GB Truncate – (Default) Reduce the useful capacity to
the nearest 1,000,000,000 byte boundary.
10GB Truncate – Reduces the useful capacity to the
nearest 10,000,000,000 byte boundary.
Group Rounding – Uses an algorithm to determine
how much to truncate. Results in the maximum amount
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