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GL–10 Glossary
normal member A mirrorset member that, block-for-block, contains the same data as other
normal members within the mirrorset. Read requests from the host are
always satisfied by normal members.
normalizing Normalizing is a state in which, block-for-block, data written by the host to a
mirrorset member is consistent with the data on other normal and
normalizing members. The normalizing state exists only after a mirrorset is
initialized.
normalizing memberA mirrorset member whose contents is the same as all other normal and
normalizing members for data that has been written since the mirrorset was
created or lost cache data was cleared. A normalizing member becomes a
normal member when either all of the normal members fail or all of the
normal members are removed from the mirrorset. See also copying member.
NVM Nonvolatile Memory. A type of memory where the contents survive power
loss. Also referred to as NVMEM.
OCP Operator Control Panel. The control or indicator panel associated with a
device. The OCP is usually mounted on the device and is accessible to the
operator.
other controller The controller in a dual-redundant pair that is connected to the controller
serving your current CLI session. See also this controller.
parallel data
transmission
A data communication technique in which more than one code element (for
example, bit) of each byte is sent or received simultaneously.
parity A method of checking if binary numbers or characters are correct by
counting the ONE bits. In odd parity, the total number of ONE bits must be
odd; in even parity, the total number of ONE bits must be even.
parity bit A binary digit added to a group of bits that checks to see if errors exist in the
transmission.