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iSNS for Linux Installation and
2
Setup
iSNS for Linux is included with SLES 10 SP1, but is not installed or configured by default. You
must install the iSNS package modules (isns and yast2-isns modules) and configure or set up iSNS
to use it.
Section 2.1, "Installing iSNS for Linux," on page 11
Section 2.2, "Setting Up iSNS," on page 11
2.1 Installing iSNS for Linux
iSNS needs to be installed on only one server on your network. To provide an added level of
redundancy, you can configure iSNS to be a cluster resource that can be failed over or migrated to
another server on your network.
NOTE: iSNS can be installed on the same server as an iSCSI target or initiator. iSNS does not
support configurations where an iSCSI target and initiator are on the same server.
To install iSNS for Linux:
1 Start YaST and select Software Management.
2 In the search field, enter isns.
3 Select both the isns and yast2-isns packages, then click Accept.
2.2 Setting Up iSNS
The following sections contain information to help you set up and configure iSNS:
Section 2.2.1, "Configuring iSCSI Targets and Initiators to Use iSNS," on page 11
Section 2.2.2, "Starting iSNS," on page 12
Section 2.2.3, "Creating iSNS Discovery Domains," on page 12
Section 2.2.4, "Creating iSNS Discovery Domain Sets," on page 13
Section 2.2.5, "Adding iSCSI Nodes to a Discovery Domain," on page 13
Section 2.2.6, "Adding Discovery Domains to a Discovery Domain Set," on page 13
Section 2.2.7, "Setting Up the iSCSI Initiator to Use the iSNS Server," on page 14
2.2.1 Configuring iSCSI Targets and Initiators to Use iSNS
To configure iSCSI targets and initiators to use iSNS, you must edit the iSCSI configuration file on
each iSCSI target and initiator server and add lines that specify the iSNS server address.
iSNS for Linux Installation and Setup
2
11
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