Dell PowerVault 700N Dell PowerVault NAS Solution iSCSI Deployment Guide - Page 8

Terms and Definitions, PowerVault Storage System, iSCSI, iSNS

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Terms and Definitions The following sections describe the terms used in this document. PowerVault Storage System Throughout this document, the term PowerVault storage system refers to the individual storage unit. The term PowerVault storage solution refers to the configuration of the server separately or together with the storage arrays. iSCSI iSCSI is a standard that carries SCSI commands through Transfer Control Protocol/Internet Protocol (TCP/IP)-a protocol that enables transport of block data over IP networks, without the need for a specialized network infrastructure, such as Fibre Channel. In the context of system storage, iSCSI enables any client/machine (Initiator) on an IP network to contact a remote dedicated server (Target) and perform block I/O on it just as it would perform on a local hard disk. iSNS Microsoft iSCSI Internet Storage Name Service (iSNS) is a service that processes iSNS registrations, deregistrations, and queries through TCP/IP from iSNS clients and also maintains a database of these registrations (similar to a DNS server). A common use for Microsoft iSNS server is to allow iSNS clients (Initiators and Targets) to register themselves and to query for other registered iSNS clients. Registrations and queries are transacted remotely over TCP/IP. You can download and install the iSNS server from the Microsoft Support website at support.microsoft.com on a separate server that does not have Microsoft iSCSI Initiator or Target installed. NOTE: For details about installing and configuring the iSNS server, see "Appendix" on page 39. 8 Introduction

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8
Introduction
Terms and Definitions
The following sections describe the terms used in this document.
PowerVault Storage System
Throughout this document, the term
PowerVault storage system
refers to the
individual storage unit. The term
PowerVault storage solution
refers to the
configuration of the server separately or together with the storage arrays.
iSCSI
iSCSI is a standard that carries SCSI commands through Transfer Control
Protocol/Internet Protocol (TCP/IP)—a protocol that enables transport of
block data over IP networks, without the need for a specialized network
infrastructure, such as Fibre Channel.
In the context of system storage, iSCSI enables any client/machine (Initiator)
on an IP network to contact a remote dedicated server (Target) and perform
block I/O on it just as it would perform on a local hard disk.
iSNS
Microsoft iSCSI Internet Storage Name Service (iSNS) is a service that
processes iSNS registrations, deregistrations, and queries through TCP/IP from
iSNS clients and also maintains a database of these registrations (similar to a
DNS server). A common use for Microsoft iSNS server is to allow iSNS clients
(Initiators and Targets) to register themselves and to query for other registered
iSNS clients. Registrations and queries are transacted remotely over TCP/IP.
You can download and install the iSNS server from the Microsoft Support
website at
support.microsoft.com
on a separate server that does not have
Microsoft iSCSI Initiator or Target installed.
NOTE:
For details about installing and configuring the iSNS server, see "Appendix"
on page 39.