User guide

Master Boot Record (MBR). The very first section of data on the hard drive. It holds the start up program and
information about each primary or extended partition on that drive. It also has a flag to indicate if a partition is
active/bootable.
MBR. See Master Boot Record (MBR).
Microsoft Cluster Server (MSCS). Microsoft Cluster Server (MSCS) is software designed to allow servers to work
together as computer cluster, to provide failover and increased availability of applications, or parallel calculating
power in case of high-performance computing (HPC) clusters (as in supercomputing). This software is included with
Microsoft Windows NT Enterprise Edition, Microsoft Windows 2000 Advanced Server, and Microsoft Windows 2000
Datacenter Server software.
MSCS. See Microsoft Cluster Server (MSCS).
N
NAS. See Network-attached storage (NAS).
Network-attached storage (NAS). File-level computer data storage connected to a computer network providing data
access to heterogeneous clients. A network-attached storage (NAS) device is a server that is dedicated to nothing
more than file sharing. NAS does not provide any of the activities that a server in a server-centric system typically
provides, such as e-mail, authentication or file management.
O
OC3. See Optical Carrier level 3 (OC3).
Open Virtualization Format (OVF). An open standard for packaging and distributing virtual appliances, or more
generally, software to be run in virtual machines.
Optical Carrier level 3 (OC3). Optical Carrier level 3 network, offering up to a maximum channel capacity of 155.52
Mb/s.
OVF. See Open Virtualization Format (OVF).
P
password. A computer-generated or user-created character sequence that meets certain rules governing length and
constitution used to establish and validate the identity of its unique owner, authorize their access to, and monitor
their activity on a computer system or network.
PDF. See portable document format (PDF).
PIT. See Point in Time (PIT).
Point in Time (PIT). The month, day, year, hour, minute, and second (mm/dd/yyyy hh:mm:ss) that a system snapshot
may be established by the Customer VSR Administrator for optional eventual recovery.
Note: This feature is useful when, for example, an UPDATE statement has broken a database but you did not notice
the damage for several hours. Use this feature to roll back to the last snapshot taken before an incident occurred. The
snapshot is one of several volumes in the SAN, each representing a snapshot of the main volume for that server on a
different date, at a different time.
portable document format (PDF). A standard specified by Adobe Systems Incorporated for the electronic
distribution of documents. PDF files are compact; can be distributed globally by e-mail, the web, intranets, or
CD-ROM; and can be viewed with the Acrobat Reader.
portal. A web portal or self-service portal is a web site that functions as a point of access to information on the
Internet. A portal presents information from diverse sources in a unified way.
R
Recovery Host. A host computer that drives the recovery and restoration of production data after a failure.
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IBM SmartCloud Virtualized Server Recovery: Customer User Guide