From b9186d33d4ce876b4be52b4903143900a70b7818 Mon Sep 17 00:00:00 2001 From: Dru Lavigne Date: Fri, 7 Mar 2014 22:02:49 +0000 Subject: [PATCH] Add a bit to the iSCSI intro. Slight tightening of section headings. Sponsored by: iXsystems --- .../handbook/network-servers/chapter.xml | 47 ++++++++++++------- 1 file changed, 30 insertions(+), 17 deletions(-) diff --git a/en_US.ISO8859-1/books/handbook/network-servers/chapter.xml b/en_US.ISO8859-1/books/handbook/network-servers/chapter.xml index eb9151d829..c24ef38624 100644 --- a/en_US.ISO8859-1/books/handbook/network-servers/chapter.xml +++ b/en_US.ISO8859-1/books/handbook/network-servers/chapter.xml @@ -5657,30 +5657,44 @@ Logging to FILE /var/log/messages <acronym>iSCSI</acronym> Initiator and Target Configuration - iSCSI is a way to share storage, to make - disk space at one machine (the server, in iSCSI nomenclature - known as the target) available to others - (clients, called initiators in - iSCSI). The main difference when compared to - NFS is that NFS works at a - filesystem level, while iSCSI works at the - block device level. To initiators, remote disks served via - iSCSI are just like physical disks. Their - device nodes appear in /dev/, and must be - separately mounted. + iSCSI is a way to share storage over a + network. Unlike + NFS, which works at the + file system level, iSCSI works at the + block device level. + + In iSCSI terminology, the system that + shares the storage is + known as the target. 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 ZFS, a zvol can be created to + use as the iSCSI storage. + + The clients which access the iSCSI + storage are called initiators. + To initiators, the storage available through + iSCSI appears as a raw, unformatted disk + known as a LUN. + Device nodes for the disk appear in /dev/ and the device must be + separately formatted and mounted. + + Beginning with 10.0-RELEASE, &os; provides a native, + kernel-based iSCSI target and initiator. + This section describes how to configure a &os; system as a + target or an initiator. - <acronym>iSCSI</acronym> Target + Configuring an <acronym>iSCSI</acronym> Target + Note: the native iSCSI target is supported starting with &os; 10.0-RELEASE. To use iSCSI in older versions of &os;, install a userspace target from the Ports Collection, such as net/istgt. This chapter only describes the native target. - - - Basic Operation + Configuring an iSCSI target is straightforward: create the @@ -5793,7 +5807,6 @@ target iqn.2012-06.com.example:target0 { to reread it: &prompt.root; service ctld reload - Authentication @@ -5849,7 +5862,7 @@ target iqn.2012-06.com.example:target0 { - <acronym>iSCSI</acronym> Initiator + Configuring an <acronym>iSCSI</acronym> Initiator The current iSCSI initiator is