Hitachi 9900 Series Hitachi Data Systems, Mbcp, Mips, Meta-data, Mirrored pair, Mirroring, Mplf

Hitachi Data Systems

MBCP

Master Business Continuity Professional. The highest level of professional certification of the Disaster Recovery Institute (DRI). The master level targets an individual with a minimum of five years of experience as a business continuity/disaster recovery planner. See also DRI (Disaster Recovery Institute), CBCP (Certified Business Continuity Professional), and ABCP (Associate Business Continuity Professional).

MIB

Management Information Base is a set of standards for detailed system information that is reported to a control console for SNMP compliance. Its intent is to provide common parameters for heterogeneous computer systems.

MIPS

Millions of Instructions Per Second (or MIPS) is a rough measure of processor performance within the same class of processor.

Meta-data

Data about data as used by the CM-HSM and the Control Memory Subsystem of the Lightning 9900™ Series.

Mirrored pair

Two disk units or logical units that contain the same data. The operating system soft- ware refers to them as one entity and “reads from either” and “writes to both” when RAID-1 is enabled.

Mirroring

A term to describe the process of writing data to two disk volumes, usually to ensure high availability in case one of the disks fails. Mirroring can be hardware or software based.

MP

Micro-Processor.

MPA

Micro-Processor Adapter.

MPLF

The Lightning 9900™ supports the Multiple Path Locking Facility (MPLF) for the IBM® highest performance transaction processing operating system-TPF. In either native TPF mode or under VM, MPLF provides extremely high performance record-level locking so that multiple hosts can read and write to the same file without interfering with each other. See also TPF.

64