257 lines
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HTML
257 lines
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HTML
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<meta name="dc.date" scheme="iso8601" content="2005-09-13" />
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<title>Terminology</title>
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<a name="rzahqtermsandconcepts"></a>
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<h2 id="rzahqtermsandconcepts">Terminology</h2>
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<p>The following are terms related to Windows environment on iSeries™. For other iSeries terms and definitions, see the <a href="../rzaat/as4glos.htm">Information
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Center glossary</a>.</p>
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<dl><img src="delta.gif" alt="Start of change" />
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<dt class="bold">Baseboard Management Controller (BMC)</dt>
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<dd>A basic low function service processor that is used to control xSeries® systems.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">certificate</dt>
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<dd>A standard format for combining
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an identity with a public key, signed by a Certificate Authority, which is
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valid from a specified start date/time until a specified end date/time. The
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identity in a certificate (also called the "Subject" of the certificate) says
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who or what the certificate was issued to. It can have a variety of syntaxes,
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but usually contains a distinguished name with attributes like "CN=common
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name, O=organization, OU=organizational unit". The public key is part of
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a private/public key pair, usually one created for use with the RSA public
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key cryptosystem. In contrast, the corresponding private key is not part of
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the certificate, and is not intended to be viewed.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">certificate authority</dt>
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<dd>A private key/certificate
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pair that can sign other certificates for authentication purposes, such as
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determining if a certificate is really from who it claims to be from. A certificate
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authority may be either owned by a third-party organization that verifies
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identity information and issues signed digital certificates, or it may be
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local and private. Once a certificate has been digitally signed, it cannot
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be altered without detection.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">Challenge Handshake Authentication Protocol (CHAP)</dt>
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<dd>An authentication protocol that involves a secret known to both
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the authenticator and the party being authenticated. The secret is protected
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from eavesdropping during transmission.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">connection security network server configuration</dt>
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<dd>An i5/OS™ configuration object that is used to configure security-related
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values that control how the iSCSI HBA SCSI and virtual Ethernet LAN data is
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secured on the network. The corresponding i5/OS object type is *NWSCFG with a subtype
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of *CNNSEC. This object is also referred to using the shorter term <span class="bold">connection security configuration</span>.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">enclosure ID</dt>
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<dd>The identifying serial
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number, type and model of the enclosure containing the service processor.
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For a standard xSeries server, the service processor and the xSeries server share
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a common enclosure identifier. For an IBM® BladeCenter™ server, this identifies the management
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module which contains the IBM BladeCenter servers which it controls.</dd><img src="deltaend.gif" alt="End of change" />
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<dt class="bold">Enterprise Identity Mapping (EIM)</dt>
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<dd>A mechanism for
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mapping/associating a person or entity to the correct user identities in various
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registries across multiple operating systems. User Administration function
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integrates user enrollment with EIM, by providing support for automatic creating
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of EIM Windows source associations. Also, enrolled i5/OS user profiles allow Windows user profiles
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to be different than the i5/OS user profile if the administrator has manually defined
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the EIM Windows source association.</dd>
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<dt class="bold">EIM identifier</dt>
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<dd>Represents an actual person or entity
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in EIM. When you create an EIM identifier you associate it with the user identity
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for that person.</dd>
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<dt class="bold">EIM identity mapping association</dt>
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<dd> A single sign-on
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environment is made possible by associating the user identity to an EIM identifier
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in a registry. There are 3 types of associations, source, target, and administrative.
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User enrollment integrates with EIM when a target i5/OS association and a source Windows association
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are defined. The associations may be defined either automatically using the
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user profile attribute, EIMASSOC, or by using iSeries Navigator to manually define the associations.
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Target associations are primarily used to secure existing data. Source associations
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are primarily used for authentication purposes.</dd>
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<dt class="bold">external network</dt>
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<dd><img src="delta.gif" alt="Start of change" />Networks accessed by
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integrated servers through physical networking hardware. See also <span class="bold">virtual networks</span>.<img src="deltaend.gif" alt="End of change" /></dd><img src="delta.gif" alt="Start of change" />
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<dt class="bold">host bus adapter (HBA)</dt>
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<dd>A host bus adapter
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(HBA) is an adapter card that plugs into the bus of the host system. For example,
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an Ethernet adapter or an iSCSI adapter.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">hot spare</dt>
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<dd>Hot spare provides the ability
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to have spare server hardware (such as an idle IXS) set aside as a backup
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for the server hardware that is used by one or more active servers. If one
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of the active servers has a server hardware failure, that server can quickly
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be switched from the failed server hardware to the spare server hardware and
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started again, drastically reducing the server downtime that is normally associated
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with a server hardware failure. For more information see <a href="rzahqhotsparebetw.htm#rzahqhotsparebetw">Hot spare between server hardware</a>.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">IBM Director</dt>
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<dd>An application that provides remote xSeries and IBM BladeCenter discovery, power control and management. IBM Director
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is available through Virtualization Engine™ Standard Edition. In
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the context of iSeries iSCSI attached servers, this is just the host piece
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of IBM Director that runs on the i5/OS partition that is hosting the iSCSI attached
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servers.</dd><img src="deltaend.gif" alt="End of change" />
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<dt class="bold">IBM i5/OS Integrated Server Support</dt>
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<dd>Extension to
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the i5/OS operating system installed on the iSeries which allows it to work with integrated
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Windows and Linux® servers. There is also a component of the product which runs on
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the integrated server.</dd>
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<dt class="bold">Integrated Windows server</dt>
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<dd>Also referred to as an <span class="italic">integrated server</span>, an instance of Windows 2000 Server
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or Windows Server 2003 running on an IXS, an IXA attached xSeries server,
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or an iSCSI HBA attached xSeries or IBM BladeCenter server.</dd>
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<dt class="bold">Integrated xSeries Server (IXS)</dt>
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<dd>A PC (Intel-based
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computer) on a PCI expansion card that installs inside an iSeries server.</dd>
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<dt class="bold">Integrated xSeries Adapter (IXA)</dt>
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<dd>A PCI expansion
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card that installs inside selected models of IBM eServer™ xSeries servers, providing a high-speed link
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to an iSeries server.</dd><img src="delta.gif" alt="Start of change" />
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<dt class="bold">Internet Protocol Security (IPSec)</dt>
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<dd>Encrypts traffic on the iSCSI network.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">IP Multicast</dt>
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<dd>Transmission of an Internet
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Protocol (IP) datagram to a set of systems that form a single multicast group.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">IPSec</dt>
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<dd>See Internet Protocol Security.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">IQN</dt>
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<dd>See iSCSI qualified name.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">iSCSI</dt>
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<dd>Internet SCSI. Encapsulation of
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the SCSI protocol within TCP/IP packets. Provides an interoperable solution
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which can take advantage of existing internet infrastructure, internet management
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facilities and addresses distance limitations.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">iSCSI connection</dt>
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<dd>A connection is a TCP
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connection. Communication between the initiator and target occurs over one
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or more TCP connections.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">iSCSI initiator adapter</dt>
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<dd>A host bus adapter
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(HBA) that initiates iSCSI requests. iSCSI initiators issue SCSI commands
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to request services from components, logical units, of a server known as a <span class="bold">target</span>. The iSCSI Initiator is the iSCSI HBA in the xSeries or BladeCenter server.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">iSCSI qualified name (IQN)</dt>
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<dd>A unique
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name that identifies an iSCSI target adapter or an iSCSI initiator adapter
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as defined by the iSCSI standard (RFC 3722).</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">iSCSI target adapter</dt>
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<dd>A host bus adapter
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(HBA) that services iSCSI initiator requests. An iSCSI target serves as a
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storage controller, hosting the logical units (LUNs). In the context of iSeries iSCSI attached servers, the iSCSI target is the iSCSI HBA for iSeries.</dd><img src="deltaend.gif" alt="End of change" />
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<dt class="bold">Kerberos</dt>
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<dd>A network security protocol created by
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MIT. It provides the tools of authentication and strong cryptography over
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the network to help you secure your information systems across your entire
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enterprise. iSeries Navigator provides Kerberos authenticated sign-on.
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User Administration supports the single sign-on environment by allowing i5/OS user profile passwords to be defined to be *NONE and to allow enrolled
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Windows users to set their passwords in Windows. This support is provided
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when an enrolled user profile attribute is specified as LCLPWDMGT(*NO).</dd><img src="delta.gif" alt="Start of change" />
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<dt class="bold">local interface</dt>
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<dd>The local interface
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represents the configuration parameters that describe the iSCSI target adapter
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located in the iSeries server.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">MAC</dt>
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<dd>See Media Access Control.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">Management Module</dt>
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<dd>A high function service
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processor that is used to control an IBM BladeCenter chassis and the individual servers
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within it.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">Media Access Control (MAC)</dt>
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<dd>In a local
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area network, the protocol that determines which device has access to the
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transmission medium at a given time.</dd><img src="deltaend.gif" alt="End of change" />
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<dt class="bold">Microsoft® Windows Cluster Service (MSCS)</dt>
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<dd>Service in Microsoft Windows which links individual servers so
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they can perform common tasks.</dd><img src="delta.gif" alt="Start of change" />
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<dt class="bold">network server configuration (NWSCFG)</dt>
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<dd>An i5/OS configuration object which describes attributes used with an iSCSI
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attached remote integrated server. Attributes include the remote system (*RMTSYS),
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the service processor on the remote system (*SRVPRC) or the configuration
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security values used to communicate with the server (*CNNSEC). The corresponding i5/OS object type is *NWSCFG.</dd><img src="deltaend.gif" alt="End of change" />
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<dt class="bold">network server description (NWSD)</dt>
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<dd>An i5/OS configuration
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object which describes an integrated server. The corresponding i5/OS object type
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is *NWSD.</dd><img src="delta.gif" alt="Start of change" />
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<dt class="bold">network server host adapter (NWSH)</dt>
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<dd> A network server host adapter (NWSH) is an i5/OS configuration object that is used to
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configure the iSCSI HBA device in the iSeries server. The corresponding i5/OS device type
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is *NWSH.</dd><img src="deltaend.gif" alt="End of change" />
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<dt class="bold">network server storage space (NWSSTG)</dt>
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<dd>i5/OS disk storage
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allocated to an integrated server.</dd><img src="delta.gif" alt="Start of change" />
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<dt class="bold">NWSH</dt>
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<dd>See network server host adapter
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(NWSH).</dd><img src="deltaend.gif" alt="End of change" />
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<dt class="bold">point to point virtual Ethernet</dt>
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<dd>A virtual Ethernet
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network configured between an iSeries and an integrated Windows server during
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its installation. It is the link that is used for communication between the iSeries and an integrated server.</dd><img src="delta.gif" alt="Start of change" />
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<dt class="bold">remote interface</dt>
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<dd>The remote interface
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represents the configuration parameters that describe the iSCSI initiator
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adapter located in the xSeries server or IBM BladeCenter server. The remote interface includes
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parameters for both the SCSI and LAN functions of the adapter.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">remote system ID</dt>
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<dd>The identifying serial
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number, type and model of the xSeries server or IBM BladeCenter server. For a standard xSeries server,
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the service processor and the xSeries server share a common identifier.
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For an IBM BladeCenter server, this identifies the server within a
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chassis.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">remote system network server configuration</dt>
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<dd>An i5/OS configuration object that is used to configure attributes that
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are specific to a particular remote xSeries or IBM BladeCenter server. This includes information
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that is necessary to identify and boot the remote system and information about
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the iSCSI initiator adapters that the remote system uses. The corresponding i5/OS object type is *NWSCFG with a subtype of *RMTSYS. This object is also
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referred to using the shorter term <span class="bold">remote system configuration</span>.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">Remote Supervisor Adapter (RSA)</dt>
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<dd>A high
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function service processor that is used to control xSeries systems.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">service processor</dt>
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<dd>A processor that is
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separate from the main CPU of the system. The service processor is used to
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control power and perform other management and diagnostic functions for the
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system. There are several different types of service processors that are
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used with integrated xSeries and IBM BladeCenter systems. See <span class="bold">Remote Supervisor Adapter (RSA)</span>, <span class="bold">Baseboard Management
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Controller (BMC)</span> and <span class="bold">Management Module</span>.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">service processor network server configuration</dt>
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<dd>An i5/OS configuration object that holds the set of parameters that relate
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to the service processor on the remote system. In the case of IBM BladeCenter servers,
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this represents the IBM BladeCenter enclosure. The corresponding i5/OS object type is *NWSCFG with a subtype of SRVPRC. This object is also
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referred to using the shorter phrase <span class="bold">service processor configuration</span>.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">storage path</dt>
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<dd>The storage path defines
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which Network server host adapter (NWSH) the storage spaces can use and the
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IP security rule to use to secure the data traffic.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">target node</dt>
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<dd>iSeries iSCSI firmware
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object that manages the iSCSI session and connection.</dd><img src="deltaend.gif" alt="End of change" /><img src="delta.gif" alt="Start of change" />
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<dt class="bold">unicast</dt>
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<dd>Transmission of data to a single
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destination.</dd><img src="deltaend.gif" alt="End of change" />
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<dt class="bold">virtual network</dt>
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<dd>An Ethernet network emulated inside
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the iSeries to allow networks to be created between i5/OS logical partitions, Linux logical partitions, and integrated Windows servers.</dd>
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<dt class="bold">Windows server</dt>
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<dd>Microsoft Windows 2000 Server or Windows
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Server 2003</dd><img src="delta.gif" alt="Start of change" />
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<dt class="bold">Windows Server 2003 Volume Shadow Copy Service</dt>
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<dd>Support that allows application data to be backed up without ending
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the application. This service improves application availability.</dd><img src="deltaend.gif" alt="End of change" /></dl>
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