Date: Fri, 7 Mar 2014 22:02:49 +0000 (UTC) From: Dru Lavigne <dru@FreeBSD.org> To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r44191 - head/en_US.ISO8859-1/books/handbook/network-servers Message-ID: <201403072202.s27M2njW072690@svn.freebsd.org>
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Author: dru Date: Fri Mar 7 22:02:49 2014 New Revision: 44191 URL: http://svnweb.freebsd.org/changeset/doc/44191 Log: Add a bit to the iSCSI intro. Slight tightening of section headings. Sponsored by: iXsystems Modified: head/en_US.ISO8859-1/books/handbook/network-servers/chapter.xml Modified: head/en_US.ISO8859-1/books/handbook/network-servers/chapter.xml ============================================================================== --- head/en_US.ISO8859-1/books/handbook/network-servers/chapter.xml Fri Mar 7 21:38:19 2014 (r44190) +++ head/en_US.ISO8859-1/books/handbook/network-servers/chapter.xml Fri Mar 7 22:02:49 2014 (r44191) @@ -5657,30 +5657,44 @@ Logging to FILE /var/log/messages</scree <title><acronym>iSCSI</acronym> Initiator and Target Configuration</title> - <para><acronym>iSCSI</acronym> is a way to share storage, to make - disk space at one machine (the server, in iSCSI nomenclature - known as the <emphasis>target</emphasis>) available to others - (clients, called <emphasis>initiators</emphasis> in - <acronym>iSCSI</acronym>). The main difference when compared to - <acronym>NFS</acronym> is that <acronym>NFS</acronym> works at a - filesystem level, while <acronym>iSCSI</acronym> works at the - block device level. To initiators, remote disks served via - <acronym>iSCSI</acronym> are just like physical disks. Their - device nodes appear in <filename>/dev/</filename>, and must be - separately mounted.</para> + <para><acronym>iSCSI</acronym> is a way to share storage over a + network. Unlike + <acronym>NFS</acronym>, which works at the + file system level, <acronym>iSCSI</acronym> works at the + block device level.</para> + + <para>In <acronym>iSCSI</acronym> terminology, the system that + shares the storage is + known as the <emphasis>target</emphasis>. The storage can be a + physical disk, or an area representing multiple disks or a + portion of a physical disk. For example, if the disk(s) are + formatted with <acronym>ZFS</acronym>, a zvol can be created to + use as the <acronym>iSCSI</acronym> storage.</para> + + <para>The clients which access the <acronym>iSCSI</acronym> + storage are called <emphasis>initiators</emphasis>. + To initiators, the storage available through + <acronym>iSCSI</acronym> appears as a raw, unformatted disk + known as a <acronym>LUN</acronym>. + Device nodes for the disk appear in <filename>/dev/</filename> and the device must be + separately formatted and mounted.</para> + + <para>Beginning with 10.0-RELEASE, &os; provides a native, + kernel-based <acronym>iSCSI</acronym> target and initiator. + This section describes how to configure a &os; system as a + target or an initiator.</para> <sect2 xml:id="network-iscsi-target"> - <title><acronym>iSCSI</acronym> Target</title> + <title>Configuring an <acronym>iSCSI</acronym> Target</title> + <note> <para>Note: the native <acronym>iSCSI</acronym> target is supported starting with &os; 10.0-RELEASE. To use <acronym>iSCSI</acronym> in older versions of &os;, install a userspace target from the Ports Collection, such as <package>net/istgt</package>. This chapter only describes the native target.</para> - - <sect3> - <title>Basic Operation</title> + </note> <para>Configuring an <acronym>iSCSI</acronym> target is straightforward: create the @@ -5793,7 +5807,6 @@ target iqn.2012-06.com.example:target0 { to reread it:</para> <screen>&prompt.root; <userinput>service ctld reload</userinput></screen> - </sect3> <sect3> <title>Authentication</title> @@ -5849,7 +5862,7 @@ target iqn.2012-06.com.example:target0 { </sect2> <sect2 xml:id="network-iscsi-initiator"> - <title><acronym>iSCSI</acronym> Initiator</title> + <title>Configuring an <acronym>iSCSI</acronym> Initiator</title> <note> <para>The current <acronym>iSCSI</acronym> initiator is
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